CN110271402A

CN110271402A - Power battery pack, energy storage device and electric vehicle

Info

Publication number: CN110271402A
Application number: CN201910544143.1A
Authority: CN
Inventors: 何龙; 孙华军; 江文锋; 鲁志佩; 郑卫鑫; 唐江龙; 朱燕; 王信月; 何科峰
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2019-01-09
Filing date: 2019-06-21
Publication date: 2019-09-24
Anticipated expiration: 2039-06-21
Also published as: CN110271402B; CN112026543A; CN112026543B

Abstract

This disclosure relates to a kind of power battery pack, energy storage device and electric vehicle, the power battery pack includes the multiple single batteries (100) of storing apparatus (200) and setting in storing apparatus (200), each single battery (100) includes opposite first end and second end, storing apparatus (200) includes the first frame (201) and the second frame (202) being oppositely arranged along first direction (A1), multiple single batteries (100) are arranged between the first frame (201) and the second frame (202), the first end of each single battery (100) is supported on the first frame (201), the second end of each single battery (100) is supported on the second frame (202).Since single battery extends between the first frame and the second frame, it is possible to reduce the use of crossbeam and/or stringer improves the space utilization rate of storing apparatus, and then improves the cruising ability of entire power battery pack.

Description

Power battery pack, energy storage device and electric vehicle

Technical field

This disclosure relates to power battery pack technical field, and in particular, to a kind of power battery pack uses the power battery The energy storage device of packet and the electric vehicle for using the power battery pack.

Background technique

In the prior art, power battery pack mainly includes storing apparatus and multiple battery moulds for being mounted in storing apparatus Group, battery modules are mainly assembled by multiple single batteries, and storing apparatus generally includes bottom plate and side bar, and side bar is arranged the bottom of at The surrounding of plate.In order to make storing apparatus that there is enough intensity, and it is convenient for the installation of battery modules, is usually provided between side bar Multiple crossbeams and stringer, multiple crossbeams, stringer and side bar and bottom plate limit multiple for accommodating the multiple of battery modules jointly Accommodation space, each battery modules are arranged in corresponding accommodation space.

Above-mentioned power battery pack at least has the following drawbacks:

One, due to the presence of crossbeam and stringer, cause the volume utilization of storing apparatus lower, volume utilization is about 40%, installable single battery limited amount can not effectively improve the cruising ability of power battery pack；

Two, in traditional power battery pack, contain more multiple battery modules, in assembling process, each battery modules are equal It needs to fix with crossbeam, needs to fasten mould group using fasteners such as a large amount of screws, while crossbeam or stringer have one Determine weight, the weight for resulting in storing apparatus increases；

Three, crossbeam, stringer are provided in storing apparatus, structure is complicated, increases the complexity of storing apparatus manufacture craft；

Four, single battery is arranged into storing apparatus again after need to being assembled into battery modules, and operating procedure is complicated.

Summary of the invention

Purpose of this disclosure is to provide a kind of power battery pack, the energy storage device using the power battery pack and uses The electric vehicle of the power battery pack, the power battery pack can effectively improve the volume utilization of storing apparatus, and reduce appearance The weight of device is received, to improve the cruising ability of power battery pack and realize the lightweight of power battery pack.

To achieve the goals above, the disclosure provides a kind of power battery pack, including storing apparatus and setting in the appearance The multiple single batteries received in device, each single battery include opposite first end and second end, and the storing apparatus includes The first frame and the second frame being oppositely arranged along first direction, the setting of the multiple single battery is in first frame and the Between two frames, the first end of each single battery is supported on first frame, each single battery The second end is supported on second frame.

Optionally, the storing apparatus is Vehicular tray.

Optionally, the single battery is 500mm-1000mm along the length of the first direction.

Optionally, the storing apparatus is formed on electric vehicle.

Optionally, the storing apparatus is the cavity to lower recess.

Optionally, the cavity includes opposite the first side wall and second sidewall, and first frame is the cavity The extension of the first side wall and the first side wall, second frame are the second sidewall of the cavity and described The extension of second sidewall.

Optionally, the extension of the first side wall and the extension of the second sidewall form the cavity Bottom.

Optionally, the single battery is L1, the inner surface of first frame and institute along the length of the first direction State between the inner surface of the second frame along the distance of the first direction be L2, wherein meet L1/L2 >=50%.

Optionally, meet 80%≤L1/L2≤97%.

Optionally, multiple single batteries are arranged along the different second directions with the first direction.

Optionally, the power battery pack is disposed with the multiple single battery of multilayer along third direction, the institute in every layer Multiple single batteries are stated to be respectively positioned between first frame and the second frame.

Optionally, each single battery is arranged by length direction of the first direction.

Optionally, the storing apparatus includes being relatively set with third side along the second direction for being different from the first direction Frame and the 4th frame, the multiple single battery are arranged between the third frame and the 4th frame along the second direction.

Optionally, the third frame applies to the single battery that the neighbouring third frame is arranged towards the 4th side The active force of frame, the 4th frame apply to the single battery that neighbouring 4th frame is arranged towards the third side The active force of frame.

Optionally, the first elasticity is provided between the third frame and the single battery of the neighbouring third frame It is slow that the second elasticity is provided between buffer board and/or the 4th frame and the single battery of neighbouring 4th frame Punching.

Optionally, the first end of each single battery is fixed on first frame, and the second end is fixed In second frame.

Optionally, it is at least partly set between the first end of single battery and first frame in the multiple single battery It is equipped with first end plate；At least partly it is arranged between the second end of single battery and second frame in the multiple single battery There is the second end plate；The first end of at least partly single battery is supported on first frame, institute by the first end plate The second end for stating at least partly single battery is supported on second frame by second end plate；The first end plate, Two end plates and at least partly single battery form battery modules.

Optionally, be at least partly provided with mould group bottom plate in the multiple single battery below single battery, it is described at least Partial monosomy battery is by the mould group backplanes support in first frame and the second frame；The mould group bottom plate and it is described extremely Small part single battery forms battery modules.

Optionally, mould group bottom plate, the mould group bottom plate and described first are provided with below at least partly single battery End plate connection, the mould group bottom plate and second end plate connection；The mould group bottom plate, first end plate, the second end plate with it is described At least partly described single battery forms the battery modules.

Optionally, mould group top plate, the mould group top plate and described first are provided with above at least partly single battery End plate connection, the mould group top plate and second end plate connection；The mould group top plate, mould group bottom plate, first end plate, second end Plate and at least partly single battery form the battery modules.

Optionally, the storing apparatus along the second direction for being different from the first direction be relatively set with third frame and The side of 4th frame, single battery towards the third frame of the neighbouring third frame is provided with the first side plate, neighbouring The side of single battery towards the 4th frame of 4th frame is provided with the second side plate, the first end plate, second End plate, the first side plate, the second side plate, mould group top plate, mould group bottom plate and at least partly single battery form the battery mould Group.

Optionally, along the second direction for being different from the first direction, the battery modules are at least two.

Optionally, the power battery pack edge is disposed with battery modules described in multilayer along third direction.

Optionally, the single battery is the rectangular cell of rectangular parallelepiped structure, and with length, thickness and between the length Height between degree and thickness, each edge-on placement of single battery, the length direction of each single battery is described First direction, thickness direction are the second direction, and short transverse is third direction, and the two neighboring single battery passes through big Mode in face of big face is arranged.

Optionally, first frame is provided with the first support level, and second frame is provided with the second support level； The first end of each single battery is supported on first support level, and described the second of each single battery End is supported on second support level.

Optionally, first frame is provided with the first fixed part, and second frame is provided with the second fixed part；Each The first end of the single battery is fixed on first fixed part, and the second end of each single battery is fixed In second fixed part.

Optionally, it is provided with first end plate between the first end of the multiple single battery and first frame, it is described The second end plate, setting below the multiple single battery are provided between the second end of multiple single batteries and second frame There is mould group bottom plate, mould group top plate is provided with above the multiple single battery, the storing apparatus is along different from described first The second direction in direction is relatively set with third frame and the 4th frame, the single battery adjacent with the third frame with it is described It is provided with the first side plate between third frame, is arranged between the single battery and the 4th frame adjacent with the 4th frame There is the second side plate, the first end plate, the second end plate, the first side plate, the second side plate, mould group top plate, mould group bottom plate and described more A single battery forms a battery modules.

Optionally, the ratio of the length of the single battery and thickness meets 50≤L/D≤70.

Optionally, the surface area of the single battery and the ratio of volume meet 0.15≤S/V≤0.2.

Optionally, the ratio of the surface area of the single battery and energy meets 250≤S/E≤400.

Optionally, the single battery is metal shell rectangular cell.

Optionally, thermal insulation layer is provided between the mould group bottom plate and the single battery.

Optionally, heat-conducting plate is provided between the mould group top plate and the single battery.

Optionally, the mould group top plate is the liquid cooling plate or direct-cooled plate for being internally provided with cooling structure.

Optionally, the first electrode of the single battery is by the single battery towards described the first of first frame End is drawn, and the second electrode of the single battery is drawn by the second end of the single battery towards second frame.

Optionally, the first end of the single battery towards first frame is provided with explosion-proof valve, and described first Frame is internally provided with exhaust passage, and position corresponding with the explosion-proof valve of each single battery is all provided on first frame It is equipped with air inlet, the air inlet is connected to the exhaust passage, is provided on the storing apparatus and is connected with the exhaust passage Logical gas vent；And/or the second end of the single battery towards second frame is provided with explosion-proof valve, described second Frame is internally provided with exhaust passage, and position corresponding with the explosion-proof valve of each single battery is all provided on second frame It is equipped with air inlet, the air inlet is connected to the exhaust passage, is provided on the storing apparatus and is connected with the exhaust passage Logical gas vent.

Optionally, the first direction is vehicle-body width direction, and the second direction is length of wagon direction；Alternatively, institute Stating first direction is length of wagon direction, and the second direction is vehicle-body width direction.

Through the above technical solutions, in the disclosure, single battery be the first frame being oppositely arranged in storing apparatus and Extend between second frame, the first end and second end of single battery can be adapted with the first frame and the second frame, single Body battery can be supported on the first frame and the second frame, to reduce the use of storing apparatus middle cross beam and/or stringer, very Crossbeam and/or stringer can not be used into storing apparatus, to reduce crossbeam and/or stringer occupies in storing apparatus Space, improves the space utilization rate of storing apparatus, and more single batteries is enable to be arranged in storing apparatus as much as possible, And then improve the capacity, voltage and cruising ability of entire power battery pack.Such as in electric vehicle, this design can be by space Utilization rate by original 40% or so, be increased to it is 60% or more even higher, such as 80%.

Also, due to no longer needing to arrangement crossbeam and/or stringer in storing apparatus, on the one hand, so that the production of storing apparatus Technique is simplified, and the assembling complexity of single battery reduces, and production cost reduces, on the other hand so that storing apparatus and The weight saving of entire power battery pack, realizes the lightweight of power battery pack.Particularly, when power battery pack is mounted on electricity When on motor-car, the cruising ability of electric vehicle can also be promoted, realizes the lightweight of electric vehicle.

In addition, the single battery in compared with the prior art, the single battery that the disclosure provides is in the first frame and second Extend between frame, the both ends of single battery are respectively supported on the first frame and the second frame, and single battery itself can be used Make the crossbeam or stringer of reinforcement storing apparatus structural strength, that is to say, that no longer need to be arranged in storing apparatus for reinforcing its knot The reinforcement structure of structure intensity directly can replace reinforcement structure strong come the structure for guaranteeing storing apparatus by single battery itself Degree, it is ensured that storing apparatus is not susceptible to deformation under external force.Also, in the case where constant volume, due to the prior art The size of middle single battery is smaller, and length is shorter, the opposite end of single battery can not be oppositely arranged in storing apparatus two A side bar (the first frame and the second frame or the first side wall and second sidewall) is adapted；Due to the single battery in the disclosure The length along first direction it is longer, can make its along be different from first direction second direction thinner thickness, to make , the surface area of single single battery is greater than the surface area of single battery in the prior art, so as to increase single battery Heat dissipation area, improves the rate of heat dispation of single battery, and then improves the safety of entire power battery pack, makes power battery pack It is more safe and reliable.

According to another aspect of the disclosure, a kind of electric vehicle is provided, the electric vehicle includes above-mentioned power battery pack.

Optionally, the bottom of the electric vehicle, the storing apparatus and the electric vehicle is arranged in the power battery pack Chassis be fixedly connected.

Optionally, the electric vehicle includes the power battery pack that the electric vehicle bottom is arranged in, the receiving dress Set and be fixedly connected with the chassis of the electric vehicle, the first direction be the electric vehicle vehicle-body width direction, described second Direction is the length of wagon direction of the electric vehicle.

Optionally, the storing apparatus the first direction width and body width and ratio meet: 50%≤ L3/W≤80%.

Optionally, the ratio of the length in said first direction of the single battery and body width meets: 40% ≤ L4/W≤70%.

According to another aspect of the disclosure, a kind of energy storage device is provided, the energy storage device includes above-mentioned power electric Chi Bao.

Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.

Detailed description of the invention

Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:

Fig. 1 is the perspective view of the explosion for the power battery pack that the prior art provides；

Fig. 2 is the schematic perspective view for the single battery that a kind of embodiment of the disclosure provides；

Fig. 3 is the schematic perspective view for the power battery pack that a kind of embodiment of the disclosure provides；

Fig. 4 is a kind of arrangement schematic diagram of the multiple single batteries of embodiment offer of the disclosure in storing apparatus；

Fig. 5 is the schematic perspective view for the storing apparatus that a kind of embodiment of the disclosure provides；

Fig. 6 is the schematic perspective view for the storing apparatus that disclosure another embodiment provides；

Fig. 7 is the schematic perspective view for the storing apparatus that disclosure another embodiment provides；

Fig. 8 is the enlarged drawing of part A in Fig. 7；

Fig. 9 is the sectional block diagram for the power battery pack that a kind of embodiment of the disclosure provides；

Figure 10 is the enlarged drawing of part B in Fig. 9；

Figure 11 is the cross-sectional view for the power battery pack that disclosure another embodiment provides, wherein the first frame and the Two frames are not shown；

Figure 12 is the explosive view for the power battery pack that a kind of embodiment of the disclosure provides；

Figure 13 is the schematic perspective view of the first side plate or the second side plate that a kind of embodiment of the disclosure provides；

Figure 14 is the schematic perspective view of first end plate or the second end plate that a kind of embodiment of the disclosure provides；

Figure 15 is the schematic perspective view for the power battery pack that a kind of embodiment of the disclosure provides, wherein battery mould Group is multiple；

Figure 16 is that a kind of stereochemical structure that embodiment offer storing apparatus (cavity) is formed on electric vehicle of the disclosure is shown It is intended to；

Figure 17 is the floor map for the liquid cooling plate that a kind of embodiment of the disclosure provides；

Figure 18 is the floor map for the liquid cooling plate that disclosure another embodiment provides；

Figure 19 is the floor map for the liquid cooling plate that disclosure another embodiment provides

Figure 20 is the cross-sectional view for the cavity that a kind of embodiment of the disclosure provides；

Figure 21 is the solid that the storing apparatus (Vehicular tray) that a kind of embodiment of the disclosure provides is fixed on electric vehicle Schematic diagram；

Figure 22 is that a kind of embodiment offer electric vehicle storing apparatus (Vehicular tray) of the disclosure is fixed on electric vehicle Perspective view of the explosion；

Figure 23 is the schematic perspective view for the power battery pack that disclosure another embodiment provides, wherein battery Mould group is multiple and is multilayer.

Description of symbols

100 single battery, 101 first electrode

102 second electrode, 103 explosion-proof valve

200 storing apparatus, 201 first frame

202 second frame, 203 third frame

204 the 4th frame, 205 first elastic buffer plate

206 second elastic buffer plate, 207 first end plate

208 second end plate, 209 first side plate

210 second side plate, 211 mould group bottom plate

212 mould group top plate, 213 first support level

214 second support level, 215 first fixed part

216 second fixed part, 217 thermal insulation layer

218 heat-conducting layer, 219 liquid cooling plate

220 direct-cooled 221 air inlets of plate

222 exhaust passage, 223 gas-liquid separator

224 coolant duct, 225 coolant inlet

226 cooling liquid outlet, 227 feed liquor house steward

228 liquid outlet, 229 coolant liquid main entrance

230 coolant liquid general exports

300 cavity, 301 the first side wall

The bottom of 302 second sidewall, 305 cavity

400 battery modules, 500 crossbeam

600 stringers

A1 first direction A2 second direction

A3 third direction

The thickness of the length D single battery of L single battery

The height of H single battery

Length of the distance between first end and second end of L1 single battery/single battery along first direction

The distance between inner surface of the inner surface of the first frame of L2 and the second frame/the first side wall and second Along the distance of first direction between side wall

The width of L3 storing apparatus in a first direction

The length of L4 single battery in a first direction

Specific embodiment

It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.

In the disclosure, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right, top, bottom " The orientation or positional relationship of instruction is orientation based on the figure and positional relationship, is merely for convenience of the description present invention and letter Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and Operation, therefore be not considered as limiting the invention, in addition, " inside and outside " refers to the inside and outside of the profile of corresponding construction.

In addition, " first ", " second " are used for description purposes only, cannot be understood as indicating or implying relative importance or hidden Containing the quantity for indicating indicated technical characteristic.

In addition, in the disclosure, the noun of locality " front, rear, left and right " typically refers to the front, rear, left and right of vehicle itself, specifically Ground is a left side towards the direction of left wheel, is the right side towards the direction of right wheel, before the direction towards headstock is, the side of facing tailstock Xiang Weihou.

As shown in Fig. 2 to Figure 23, according to an aspect of the present invention, a kind of power battery pack, including storing apparatus are provided 200 and multiple single batteries 100 for being arranged in storing apparatus 200, each single battery 100 includes opposite first end and the Two ends, storing apparatus 200 include the first frame 201 and the second frame 202 being oppositely arranged along first direction A1, multiple monomer electricity Pond 100 is arranged between the first frame 201 and the second frame 202, in one embodiment, the first end of each single battery 100 It is supported on the first frame 201, the second end of each single battery 100 is supported on the second frame 202.

In other words, each single battery 100 extends between the first frame 201 and the second frame 202, multiple single batteries 100 arrange along the length direction of the first frame 201 and the second frame 202, that is, A2 arranges in a second direction.Optionally, dress is accommodated It can be multiple for setting 200, or one.

Here, the first end and second end of single battery 100 is to be respectively supported at the first frame 201 and the second frame 202 On, single battery 100 can be supported directly by the first frame 201 and the second frame 202, that is, be individually positioned in the first frame 201 and second on frame 202, can also be further secured on the first frame 201 and the second frame 202, specific fixation side Formula is described in more detail below, for specifically supporting and fixing mode, with no restriction to this disclosure.

Under the technical concept of the disclosure, in one embodiment, along first direction A1, the first frame 201 and the second frame The distance between 202 and the size of single battery 100 match, matching herein refer to two frames or it is following in two sides Spacing between wall can be coupled a single battery 100, and but this cooperation clearance fit, interference fit, fastening are matched The various fit systems such as conjunction, secure fit, to realize the purpose of the disclosure.

In some embodiments of the present disclosure, the first end of each single battery 100 can directly or indirectly be supported on On one frame 201, the second end of each single battery 100 can be directly or indirectly supported on the second frame 202.Directly contain Justice refer to the first end of single battery 100 and the first frame 201 be directly engaged support and single battery 100 second end It is directly engaged with the second frame 202；Indirectly meaning refers to, such as in some embodiments, the first end of single battery 100 It is supported by first end plate 207 and the cooperation of the first frame 201, the second end of single battery 100 passes through the second end plate 208 and second The cooperation support of frame 202.

It should be noted that the first frame 201 and the second frame 202 are oppositely arranged, the first frame 201 can be mutual In parallel, it angled can also be arranged, can be linear structure and be also possible to curvilinear structures.Single battery 100 can be with the first side Frame 201 and/or the second frame 202 are vertical, or at an acute angle with the first frame 201 and/or the second frame 202 or obtuse angle is arranged, example Such as, when the first frame 201 and the second frame 202 are parallel to each other, the first frame 201, the second frame 202 and single battery 100 may be constructed the structures such as rectangle, square or parallelogram, sector；When the first frame 201 and the second frame 202 are in angle When spending, the first frame 201, the second frame 202 and single battery 100 may be constructed the structures such as trapezoidal, triangle.The disclosure pair Angular relationship, single battery 100 and the first frame 201 and the second frame 202 between first frame 201 and the second frame 202 Between angular relationship with no restriction.

First frame 201 and the second frame 202 are located at the two sides opposite along first direction A1 of storing apparatus 200, refer to As shown in figure 3, the first frame 201 and the second frame 202 are located at storing apparatus 200 along the most avris of first direction A1, the first side Frame 201 and the second frame 202 are the most external side of storing apparatus 200.

In addition, " first end " and " second end " of single battery 100 mentioned above is for describing single battery 100 Orientation, it is not used to limit and describe the specific structure of single battery 100, for example, first end and second end is not used to limit Fixed and description single battery 100 anode and cathode, that is to say, that in the disclosure, single battery 100 is supported on the first frame 201 one end is first end, and one end that single battery 100 is supported on the second frame 202 is second end.

Conventionally, as the size of single battery is smaller, length is shorter, and the opposite end of single battery can not be with Two side bars being oppositely arranged in storing apparatus are adapted, and therefore, in storing apparatus need to be arranged crossbeam 500 and/or stringer 600 (as shown in Figure 1), consequently facilitating the assembly of single battery.After single battery is installed in storing apparatus by battery modules, First direction along storing apparatus can have multiple single batteries, that is to say, that single battery was not oppositely arranged at two Extend between side bar (the first frame 201 and the second frame 202 or the first side wall 301 and second sidewall 302), but two Extend between a crossbeam 500 or stringer 600 being oppositely arranged, battery modules by fastener and adjacent crossbeam 500 and/or Stringer 600 is fixed.

Due to being provided with crossbeam and/or stringer in storing apparatus in the prior art, crossbeam and/or stringer occupy receiving Largely cause the volume utilization of storing apparatus lower, in general, accommodating for accommodating the installation space of single battery in device The volume utilization of device is about 40%, even lower, that is to say, that only has 40% or so in storing apparatus in the prior art Space can be used for that single battery is installed, lead to the limited amount of open ended single battery in storing apparatus, entire power Capacity, the voltage of battery pack are restricted, and the cruising ability of power battery pack is poor.

However in the disclosure, single battery 100 is the first frame 201 and second being oppositely arranged in storing apparatus 200 Extend between frame 202, the first end and second end of single battery 100 can be with 202 phase of the first frame 201 and the second frame Adaptation, single battery 100 can be supported on the first frame 201 and the second frame 202, to reduce horizontal in storing apparatus 200 In the use of beam and/or stringer or even storing apparatus 200 can not use crossbeam and/or stringer, thus reduce crossbeam and/ Or the space that stringer occupies in storing apparatus 200, the space utilization rate of storing apparatus 200 is improved, is made as much as possible more Single battery 100 can be arranged in storing apparatus 200, and then improve the capacity of entire power battery pack, voltage and continuous Boat ability.Such as in electric vehicle, this design can be increased to 60% or more very by space utilization rate by original 40% or so To higher, such as 80%.

Also, due to no longer needing to arrangement crossbeam and/or stringer in storing apparatus 200, on the one hand, so that storing apparatus 200 Manufacture craft be simplified, the assembling complexity of single battery 100 reduces, and production cost reduces, on the other hand, so that holding It receives the weight saving of device 200 and entire power battery pack, realizes the lightweight of power battery pack.Particularly, work as power electric When Chi Bao is mounted on electric vehicle, the cruising ability of electric vehicle can also be promoted, realizes the lightweight of electric vehicle.

In addition, the single battery 100 in compared with the prior art, the single battery 100 that the disclosure provides is in the first frame 201 and second extend between frame 202, and the both ends of single battery 100 are respectively supported at the first frame 201 and the second frame 202 On, single battery 100 itself can be used as the crossbeam or stringer for reinforcing 200 structural strength of storing apparatus, that is to say, that accommodate dress The reinforcement structure for no longer needing to be arranged in 200 for reinforcing its structural strength is set, can directly be replaced by single battery 100 itself Reinforcement structure guarantees the structural strength of storing apparatus 200, it is ensured that storing apparatus 200 is not susceptible to deformation under external force. Also, in the case where constant volume, since the size of single battery in the prior art is smaller, length is shorter, single battery Opposite end can not be oppositely arranged in storing apparatus two side bars (the first frame 201 and the second frame 202 in such as Fig. 3, Or the first side wall 301 and second sidewall 302) be adapted；Due to the length along first direction A1 of the single battery 100 in the disclosure Degree is longer, it can be made along the thinner thickness of the second direction A2 different from first direction A1, so that, single monomer electricity The surface area in pond 100 is greater than the surface area of single battery in the prior art, so as to increase the radiating surface of single battery 100 Product, improves the rate of heat dispation of single battery 100, and then improves the safety of entire power battery pack, makes power battery pack more Add safe and reliable.

On the one hand, fixed connection type can play a supporting role to single battery on third direction；Another party Integrally-built stability and fastness can be improved in face, fixed connection type.

In some illustrative embodiments that the disclosure provides, the first end of each single battery 100 is fixed on first On frame 201, second end is fixed on the second frame 202.Here, there are many fixed modes, for example, each single battery 100 first end is removably attached on the first frame 201 by fastener, and second end is removably secured by fastener On the second frame 202；Alternatively, the first end and second end of each single battery 100 is separately fixed at by welding manner On one frame 201 or the second frame 202；Alternatively, the first end and second end of each single battery 100 passes through mode for dispensing glue point It is not fixed on the first frame 201 or the second frame 202.First end and second end and first of the disclosure to single battery 100 The specific fixed form of frame 201 and the second frame 202 is with no restriction.

In a kind of embodiment that the disclosure provides, above-mentioned storing apparatus 200 is Vehicular tray, which is single The Vehicular tray for being used to accommodate and install single battery 100 of only production.As shown in Figure 20 and Figure 21, when single battery 100 is pacified After being attached in Vehicular tray, which can be installed on vehicle body by fastener, for example, being suspended on the chassis of electric vehicle On.

In Vehicular tray, since width of the carbody is larger, such as in 1.2m-2m；Length is longer, such as in 2m-5m；For Different vehicles, corresponding width of the carbody and length over ends of body are different.Biggish width of the carbody and length, so that being arranged in vehicle The pallet overall dimensions of body bottom require also larger；Biggish pallet dimension causes in the prior art, it is necessary to remove on pallet Setting is located at outside the frame of avris, it is also necessary to crossbeam be arranged inside pallet, can provide for the internal single battery that is arranged Enough support forces and structural strength.And after crossbeam is added in Vehicular tray, the weight of entire Vehicular tray and inner space It is all occupied, so that the space that can be efficiently used is lower inside pallet；Simultaneously as the presence of crossbeam, to cooperate crossbeam Installation, it is necessary to which multiple battery modules are set on pallet inner width and length direction, and installation is complicated, the mounting structure needed Also more.

Then, to remove crossbeam, for mould group in the prior art layout and single battery layout type, being can not Enough structural strengths are provided to battery modules, pallet can not provide enough bearing capacities.

And in the disclosure, the both ends of single battery 100 are supported on the first frame 201 and the second frame 202, it will be single The weight of body battery decomposes on the Pallet side frame of two sides；On the basis of removing crossbeam, the load-bearing of pallet is effectively raised Ability；Meanwhile single battery 100 can be used as the whole reinforcement structure use of power battery pack in itself, improve power electric The overall structural strength of Chi Bao.

In some embodiments, when power battery pack is used as the power battery pack of the offer electric energy used on vehicle When, the width direction of the first direction A1 vehicle of single battery 100 can be made, that is, the left and right directions of vehicle, it can as one kind With the embodiment of choosing, single battery 100 can be 500mm-1000mm along the length of first direction A1, so that single battery 100 length can be adapted with the width of vehicle.

In the another embodiment that the disclosure provides, as shown in figure 16, above-mentioned storing apparatus 200 can also direct shape At on electric vehicle, that is to say, that storing apparatus 200 be formed in any appropriate location on electric vehicle for installing monomer electricity The device in pond 100.For example, storing apparatus 200 can be formed on the chassis of electric vehicle.

In this embodiment, along first direction A1, storing apparatus has the first frame 201 and second being oppositely arranged Frame 202, wherein the first end and second end of the distance between the first frame 201 and the second frame 202 and single battery 100 Distance in a first direction matches, herein match refer to two frames or it is following in two side walls between spacing energy It is enough coupled a single battery 100, it is each that this cooperation can be clearance fit, interference fit, immovable fitting, secure fit etc. Kind fit system, to realize the purpose of the disclosure.

In some embodiments, storing apparatus 200 can be the cavity 300 being recessed downwards, in order to the dress of single battery 100 Match, optionally, storing apparatus 200 can be integrally formed with the chassis of electric vehicle, and be formed as the chamber from the chassis to lower recess Body 300.

Wherein, in a kind of specific embodiment that the disclosure provides, which may include first be oppositely arranged Side wall 301 and second sidewall 302, optionally, the first frame 201 and/or the second frame 202 can be downward by the chassis of electric vehicle Extension obtains.Above-mentioned first frame 201 is the first side wall 301 of the cavity 300 and the extension of the first side wall 301, above-mentioned the Two frames 202 are the second sidewall 302 of the cavity 300 and the extension of second sidewall 302.In this way, as a kind of optionally real Mode is applied, the first end of single battery 100 can be supported on the extension of the first side wall 301, the second end of single battery 100 It can be supported on the extension of second sidewall 302.That is, the disclosure also provides one kind can arrange monomer according to the above technical scheme The electric vehicle of battery 100, forms on the electric vehicle and the cavity 300 of individual Vehicular tray same characteristic features, to constitute this public affairs The battery accommodating apparatus 200 of offer is provided.

In some embodiments, the disclosure provide a kind of illustrative embodiments in, the extension of the first side wall 301 and The extension of second sidewall 302 forms the bottom 305 of cavity 300, in one embodiment, the extension of the first side wall 301 Connect with the extension of second sidewall 302, above-mentioned cavity 300 is made to be formed to have the cavity 300 to the U-lag of lower recess, it is single Body battery 100 can be supported by the bottom 305 of the cavity 300.In another embodiment, the extension of the first side wall 301 It can also be spaced apart between the extension of second sidewall 302.

As shown in Figures 3 to 6, single battery 100 is returned to, in some embodiments, single battery 100 and the first frame 201 Vertical with the second frame 202, the distance between first end and second end of single battery 100 are L1, the interior table of the first frame 201 The distance between inner surface of face and the second frame 202 is L2, and wherein the ratio of L1 and L2 meets L1/L2 >=50%.In other words, Along first direction A1, a single battery 100 is only arranged between the first frame 201 and the second frame 202, by first party To on A1, so arranges the relationship of distance between single battery 100 and two frames, can play and be made by single battery 100 For the purpose of crossbeam or stringer.Wherein in the illustrative embodiments that the disclosure provides, by along first direction A1, the first side A single battery 100 is only arranged between frame 201 and the second frame 202, so that single battery 100 can be used as reinforcement in itself and hold It receives the crossbeam of 200 structural strength of device or stringer uses, in other possible embodiments, meet such dimension scale, Under the design of the disclosure, in a first direction, more two or more single batteries can also be set, it also can be at least Play the effect for making full use of the space of storing apparatus.

In some embodiments, the ratio of L1 and L2 can satisfy 80%≤L1/L2≤97%, so that single battery 100 First end and second end be positioned as close to the first frame 201 and the second frame 202, or even with the first frame 201 and second Frame 202 is supported, and in order to realize the dispersion of power by the structure of single battery 100 itself, pass to, guarantees single battery 100 may be used as reinforcing the crossbeam of 200 structural strength of storing apparatus or stringer use, and it is sufficiently strong to guarantee that storing apparatus 200 has Degree resists external force deformation.

As shown in figure 3, multiple single batteries 100 can have a variety of arrangements in storing apparatus 200 in some embodiments Mode, in a kind of embodiment that the disclosure provides, multiple single batteries 100 are along the second direction for being different from first direction A1 A2 arrangement.Multiple single batteries 100 can be intervally arranged with A2 in a second direction, or close arrangement, as shown in the figure in this implementation Second direction A2 in mode for edge perpendicular to first direction A1 closely arranges to make full use of space.

In a kind of specific embodiment that the disclosure provides, first direction A1 can be vertical with second direction A2, and first Direction A1 is the length direction of each single battery 100, and second direction A2 is the length of the first frame 201 and the second frame 202 Direction, i.e., the thickness direction of each single battery 100.That is, the first frame 201 and the second frame 202 and single battery 100 is vertical, and the both ends on the length direction of each single battery 100 are supported on the first frame 201 and the second frame 202.This Sample, when the first frame 201 and/or the second frame 202 receive external impacts, multiple single batteries 100 are able to carry out the biography of power It leads and disperses, to better play the effect of reinforcement structure, improve the ability that storing apparatus 200 resists external force deformation.At this In embodiment, as shown, the first frame 201 and the second frame 202 are linear structure, second direction A2 is rectilinear direction, In some possible embodiments, the first frame and the second frame can be curvilinear structures, and first direction is also possible at this time Circumferencial direction, corresponding second direction are then radial direction.

In some embodiments, as shown in figure 23, it is the multiple that the power battery pack along third direction A3 is disposed with multilayer Single battery 100.In other words, multiple single batteries 100 are placed along the multilayer of third direction A3 stacking, multiple lists in every layer Body battery 100 is respectively positioned between the first frame 201 and the second frame 202, and the number of plies of single battery 100 can be according to storing apparatus 200 size is configured.In this way, can arrange multiple monomer electricity as much as possible in the limited space of storing apparatus 200 The capacity, voltage and continuation of the journey of power battery pack are improved to further improve the volume utilization of storing apparatus 200 in pond 100 Ability.In one exemplary embodiment, first direction A1 and second direction A2 can be mutually perpendicular to, and third direction A3 can be with Perpendicular to first direction A1 and second direction A2.More specifically, first direction A1 and second direction A2 be horizontal direction on before Left and right directions afterwards, third direction A3 are vertical direction.Optionally, can be connected between the single battery 100 in each layer can also be with It is not attached to, with no restriction to this disclosure.

In the above-described embodiments, the single battery being stacked along third direction, can be both ends and the first frame and the second side The single battery of frame cooperation, be also possible to be directly placed at the top of next layer of single battery without with the first frame and the second frame Cooperation support or connection.

In one embodiment, as shown in Figures 2 to 4, the first electrode 101 of single battery 100 is by single battery 100 It is drawn towards the first end of the first frame 201, the second electrode 102 of single battery 100 is by single battery 100 towards the second frame 202 second end is drawn.In other words, the length direction of single battery 100 can be the current direction inside single battery 100, That is, the current direction inside single battery 100 is first direction A1.In this way, due to the length of current direction and single battery 100 Direction is identical, and effective heat dissipation area of single battery 100 is bigger, radiating efficiency is more preferable.Here, first electrode 101 can be single The anode of body battery 100, second electrode 102 are the cathode of single battery 100；Alternatively, first electrode 101 is single battery 100 Cathode, second electrode 102 be single battery 100 anode.

Single battery 100 can have any suitable structure and shape, in a kind of embodiment that the disclosure provides, As shown in Fig. 2, single battery 100 is the rectangular cell of rectangular parallelepiped structure, and have length, thickness and between length and thickness it Between height, the edge-on placement of each single battery 100, the length direction of each single battery 100 is first direction A1, thickness side To for second direction A2, short transverse is third direction A3, and two neighboring single battery 100 passes through greatly in face of arranging by way of big face Cloth.In other words, which has length L in the longitudinal direction, has thickness on the thickness direction perpendicular to length direction D has height H in the height direction, and height H is between length L and thickness D.Specifically, single battery 100 has big Face, leptoprosopy and end face, the long side in big face have above-mentioned length L, and short side has above-mentioned height H；The long side of leptoprosopy has above-mentioned length L is spent, short side has above-mentioned thickness D；The long side of end face has above-mentioned height H, and short side has above-mentioned thickness D.100 side of single battery It stands up to set and refer to, two end faces of single battery 100 are respectively for the first frame 201 and two frames, two neighboring single battery 100 big face is opposite, so that single battery 100 has the function of substitution crossbeam, effect is more preferable, and intensity is higher.In other realities It applies in mode, single battery 100 or cylindrical battery,

In the prior art, the shape and size for how designing single battery 100 make it that can not only have electricity appropriate Tankage and good heat dissipation effect are always one of battery technology field problem to be solved.

In a kind of embodiment that the disclosure provides, the ratio of the length L and thickness D of single battery 100 meets 50≤ L/D≤70.Under the ratio, available length is longer, the single battery 100 of thinner thickness, in this manner it is ensured that in monomer The length of battery 100 along first direction A1 extend in the case where, moreover it is possible to keep resistance value appropriate and higher heat dissipation area and dissipate The adaptability of the thermal efficiency, a variety of models is good.

In the another embodiment that the disclosure provides, the ratio of the surface area S and volume V of single battery 100 meet 0.15≤S/V≤0.2., can be longer by above-mentioned length under the ratio, the single battery 100 of thinner thickness is realized, can also To be realized by the adjustment of size, the ratio of surface area S and volume V by controlling single battery 100, it is ensured that monomer electricity While the length in pond 100 extends along first direction A1, have enough heat dissipation areas, to guarantee the heat dissipation of single battery 100 Effect.

In the another embodiment that the disclosure provides, the surface area S and ENERGY E ratio of single battery 100 meet 250 ≤S/E≤400.Under the ratio, still available length is longer, the single battery 100 of thinner thickness, equally, the ratio It can be longer by above-mentioned length.The single battery of thinner thickness is realized, can also be realized by the adjustment of other sizes.Pass through Control the surface area S of single battery 100 and the ratio of ENERGY E, it is ensured that while single battery 100 has certain ENERGY E, Its surface area can satisfy its radiating requirements.

In some embodiments, in a kind of embodiment that the disclosure provides, above-mentioned single battery 100 can be for outside metal Shell rectangular cell, that is to say, that the shell of single battery 100 is made of metal material, and the heating conduction of metal is more preferable, so as to The radiating efficiency of single battery 100 is enough further improved, heat dissipation effect is optimized.In the another embodiment that the disclosure provides In, single battery 100 can be soft-package battery, and soft-package battery, which refers to, covers upper one layer of polymeric shell in liquid lithium ionic cell, In structure using laminated aluminum film in the case where security risk occurs, soft-package battery meeting air-blowing is split, quick-fried without occurring It is fried, to improve the security performance of single battery 100.

In addition, as shown in Figures 3 to 8, storing apparatus 200 can also wrap in a kind of embodiment that the disclosure provides It includes and is relatively set with third frame 203 and the 4th frame 204, multiple monomer electricity along the second direction A2 different from first direction A1 A2 is arranged between third frame 203 and the 4th frame 204 in a second direction in pond 100.Optionally, in one embodiment, First direction A1 can be vertical with second direction A2, the first frame 201 and the second frame 202 and third frame 203 and the 4th side Frame 204 is vertical and connects, so that storing apparatus 200 is formed as rectangular or square.In other embodiments, the first frame 201 and second frame 202 can be parallel to each other, third frame 203 and the 4th frame 204 can be with the first frames 201 and second The angled setting of frame 202, so that storing apparatus 200 is formed as trapezoidal, parallelogram etc..The disclosure to the first frame 201, The concrete shape for the storing apparatus 200 that second frame 202, third frame 203, the 4th frame 204 are constituted is with no restriction.

It should be noted that the vehicle for being used to accommodate and install single battery 100 that storing apparatus 200 either individually produces With pallet, or the integrally formed cavity 300 in chassis with electric vehicle, shape and structure are roughly the same, first end plate 207, The installation such as the second end plate 208, the first side plate 209, the second side plate 210, the first elastic buffer plate 205, second elastic buffer plate 206 Structure in Vehicular tray is equally applicable to cavity 300, the size relationship between Vehicular tray and single battery 100, also together Sample can be used for cavity 300 and single battery 100.

Therefore, the disclosure also provides a kind of battery accommodating apparatus, which is the chamber being formed on battery car Body 200, the cavity 200 can be the storing apparatus 200 that above and below is mentioned.

In some embodiments, as shown in figure 3, third frame 203 is applied to the single battery 100 that adjacent third frame 203 is arranged Add the active force towards the 4th frame 204, the 4th frame 204 applies court to the single battery 100 that neighbouring 4th frame 204 is arranged To the active force of third frame 203, so that multiple single batteries 100 can be arranged in third frame closely along second direction A2 203 and the 4th between frame 204, can be bonded to each other between multiple single batteries 100.In addition, third frame 203 and the 4th side Frame 204 can limit multiple single batteries 100 on second direction A2, especially when single battery 100 occurs on a small quantity When expansion, can play the role of to single battery 100 buffering and provide inward pressure, prevent 100 swell increment of single battery and Deflection is excessive.Especially when single battery 100 is provided with explosion-proof valve 103 and current interrupt device (CID) device, pass through Three frames 203 and the 4th frame 204 can effectively limit the expansion of single battery 100, so that when event is occurring for single battery 100 Hinder and expand constantly, inside can have enough air pressures to break through in explosion-proof valve 103 or current interrupt device (CID) device Rotating sheet guarantees the safety of single battery 100 to keep single battery 100 short-circuit, prevents single battery 100 from exploding.

Optionally, as shown in Figure 12 and Figure 13, between third frame 203 and the single battery 100 of neighbouring third frame 203 Can be set the first elastic buffer plate 205 and/or the 4th frame 204 and neighbouring 4th frame 204 single battery 100 it Between the second elastic buffer plate 206 can be set.First elastic buffer plate 205 may be mounted on third frame 203, the second bullet Property buffer board 206 may be mounted on the 4th frame 204, be made by the first elastic buffer plate 205 and the second elastic buffer plate 206 Multiple single batteries 100 are closely arranged, in this way, can make the list arranged between third frame 203 and the 4th frame 204 The quantity of body battery 100 can be in the case where not changing the spacing between third frame 203 and the 4th frame 204, by changing Become the locating distance between the first elastic buffer plate 205 and the second elastic buffer plate 206 and third frame 203 and the 4th frame 204 From adjusting.

In one embodiment, as shown in figs. 2 and 10, the first end of single battery 100 towards the first frame 201 is set Be equipped with explosion-proof valve 103, the first frame 201 is internally provided with exhaust passage 222, on the first frame 201 with each single battery 100 The corresponding position of explosion-proof valve 103 be provided with air inlet 221, air inlet 221 is connected to exhaust passage 222, storing apparatus 200 On be provided with the gas vent being connected to exhaust passage 222；And/or the second end of single battery 100 towards the second frame 202 is arranged Have an explosion-proof valve 103, the second frame 202 is internally provided with exhaust passage 222, on the second frame 202 with each single battery 100 The corresponding position of explosion-proof valve 103 is provided with air inlet 221, and air inlet 221 is connected to exhaust passage 222, on storing apparatus 200 It is provided with the gas vent being connected to exhaust passage 222.In other embodiments, as shown in figures 12 and 14, air inlet 221 It can be formed on first end plate 207 and the first frame 201 and/or on the second end plate 208 and the second frame 202.

In the prior art, in the use process of single battery, if its internal air pressure increases to a certain extent, Explosion-proof valve is opened, and flame, smog or the gas inside single battery can be discharged by explosion-proof valve, the flame, smog or gas meeting It is gathered in the inside of power battery pack, if can not be discharged in time, secondary injury can be caused to single battery.However in the disclosure In, due to being provided with air inlet corresponding with the explosion-proof valve 103 of single battery 100 on the first frame 201 and/or the second frame 202 Mouth 221, and the first frame 201 and/or the second frame 202 are internally provided with exhaust passage 222, when 100 inside gas of single battery When pressure increases, explosion-proof valve 103 is opened, and internal flame, smog or gas etc. directly will enter first by air inlet 221 Exhaust passage 222 in frame 201 and/or the second frame 202, and the first frame 201 and/or the second side are discharged by gas vent Frame 202, for example, through row of exhausting-gas hole into atmosphere, in this way, the flame, smog or gas just will not be gathered in storing apparatus 200 Inside, so that flame, smog or gas be avoided to cause secondary injury to single battery 100.

In addition, multiple single batteries 100 can be directly installed on receiving dress in a kind of embodiment that the disclosure provides It sets in 200, the first end and second end of single battery 100 can be respectively supported on the first frame 201 and the second frame 202. In the another embodiment that the disclosure provides, as shown in figure 15, multiple single batteries 100 can also first be assembled at least one Then battery modules are mounted in storing apparatus 200 by a battery modules again.In this way based on the technical concept of the disclosure, pass through The matching relationship of the external structure of battery modules and the first frame, the second frame equally can be realized the technical effect of the disclosure.

In one embodiment, at least partly first end of single battery and described first in the multiple single battery First end plate is provided between frame；At least partly second end of single battery and second side in the multiple single battery The second end plate is provided between frame；The first end of at least partly single battery is supported on described by the first end plate The second end of one frame, at least partly single battery is supported on second frame by second end plate；Described End plate, the second end plate and at least partly single battery form battery modules.

In at least partly multiple single batteries 100, as shown in figures 12 and 14, a monomer of neighbouring first frame 201 One end of battery 100 towards the first frame 201 is provided with first end plate 207；It is neighbouring at least partly multiple single batteries 100 One end of a single battery 100 towards the second frame 202 of second frame 202 is provided with the second end plate 208；Each monomer electricity Pond 100 is supported on the first frame 201 by first end plate 207, and each single battery 100 is supported on the by the second end plate 208 Two frames 202；First end plate 207, the second end plate 208 and at least partly multiple single batteries 100 form battery modules.First end Plate 207 can be one, and the second end plate 208 can be one, first end plate 207, the second end plate 208 and multiple single batteries 100 one battery modules of composition, the battery modules are supported on 201 He of the first frame by first end plate 207 and the second end plate 208 Between second frame 202.First end plate 207 can be multiple, the second end plate 208 can be it is multiple, multiple first end plates 207, Second end plate 208, single battery 100 form multiple battery modules, and each battery modules pass through corresponding first end plate 207 and Two end plates 208 are supported between the first frame 201 and the second frame 202, and each battery modules are on the first frame 201 and the second side Extend between frame 202, and multiple along the arrangement of the length direction of the first frame 201 and the second frame 202.In the disclosure, to The quantity of end plate 207, the second end plate 208, that is, the quantity of battery modules is with no restriction.

In some embodiments, mould group bottom plate 211, mould group bottom are provided with below at least partly single battery 100 Plate 211 is connect with the first end plate 207, and the mould group bottom plate 211 is connect with second end plate 208；The mould group bottom plate 211, first end plate 207, the second end plate 208 form the battery modules at least partly single battery 100.In other words, Mould group bottom plate 211 is provided with below at least partly multiple single batteries 100, mould group bottom plate 211 is connect with first end plate 207, mould Group bottom plate 211 is connect with the second end plate 208；Mould group bottom plate 211, first end plate 207, the second end plate 208 with it is at least partly multiple Single battery 100 forms battery modules.In other words, the mould group bottom plate 211 can be one, first end plate 207 and second end Plate 208 is connect with the mould group bottom plate 211, and first end plate 207, the second end plate 208, mould group bottom plate 211, which are constituted, accommodates multiple monomers The accommodation space of battery 100, when installation, after multiple single batteries 100 are arranged in the accommodation space, then by first end plate 207 and second end plate 208 be supported on the first frame 201 and the second frame 202.Mould group bottom plate 211 may be multiple, thus Multiple battery modules are constituted with multiple first end plates 207 and the second end plate 208, multiple battery modules are mounted on storing apparatus 200 In.

In some embodiments, mould group top plate 212, mould group top are provided with above at least partly single battery 100 Plate 212 is connect with the first end plate 207, and the mould group top plate 212 is connect with second end plate 208；The mould group top plate 212, mould group bottom plate 211, first end plate 207, the second end plate 208 form the battery at least partly single battery 100 Mould group.In other words, mould group top plate 212, mould group top plate 212 and first end are provided with above at least partly multiple single batteries 100 Plate 207 connects, and mould group top plate 212 is connect with the second end plate 208；Mould group top plate 212, mould group bottom plate 211, first end plate 207, Two end plates 208 form battery modules at least partly multiple single batteries 100.In other words, mould group top plate 212 is located at first end plate 207 and second end plate 208 top, mould group bottom plate 211 is located at the bottom of first end plate 207 and the second end plate 208, single battery 100 between mould group top plate 212 and mould group bottom plate 211, in this way, mould group top plate 212 and mould group bottom plate 211 can prevent monomer About 100 play of battery, increases the stability of single battery 100.

In some embodiments, storing apparatus 200 is relatively set with third along the second direction A2 different from first direction A1 The side of frame 203 and the 4th frame 204, single battery 100 towards the third frame 203 of neighbouring third frame 203 is provided with The side of first side plate 209, single battery 100 towards the 4th frame 204 of neighbouring 4th frame 204 is provided with the second side plate 210, first end plate 207, the second end plate 208, the first side plate 209, the second side plate 210, mould group top plate 212,211 and of mould group bottom plate At least partly multiple single batteries 100 form battery modules.Battery modules can be one, or multiple, first end plate 207, four in mould group top plate 212 and mould group bottom plate 211 can be set in the second end plate 208, the first side plate 209, the second side plate 210 Week, first end plate 207 are fixed on the first frame 201, and the second end plate 208 is fixed on the second frame 202, the first side plate 209 It is fixed on third frame 203, the second side plate 210 is fixed on the 4th frame 204, first end plate 207, the second end plate 208, Side plate 209, the second side plate 210, mould group top plate 212, mould group bottom plate 211 are limited jointly for accommodating multiple single batteries 100 closed accommodation space, in this way, when single battery 100 breaks down, explosion time on fire, first end plate 207, second end Plate 208, the first side plate 209, the second side plate 210, mould group top plate 212 and mould group bottom plate 211 can be by the events of single battery 100 Barrier control in a certain range, prevents the explosion of single battery 100 from influencing surrounding component.Optionally, which can Think that the first elastic buffer plate 205 mentioned above, second side plate 210 can be the second elastic buffer plate mentioned above 206, so that the first side plate 209 and the second side plate 210 have the function of limiting multiple 100 dilatancies of single battery, thus really Protect the starting of explosion-proof valve 103 and/or current interrupt device (CID).

In another embodiment, it is at least partly provided with below single battery 100 in the multiple single battery 100 Mould group bottom plate 211, at least partly single battery 100 are supported on 201 He of the first frame by the mould group bottom plate 211 Second frame 202；The mould group bottom plate 211 forms battery modules at least partly single battery 100.In other words, at least Mould group bottom plate 211 is provided with below the multiple single batteries 100 in part, each single battery 100 is supported on by mould group bottom plate 211 First frame 201 and the second frame 202；Mould group bottom plate 211 forms battery modules at least partly multiple single batteries 100, In the embodiment, multiple single batteries 100 are supported on the first frame 201 and the second frame 202 by mould group bottom plate 211, The structure of battery modules is simplified, conducive to the lightweight for realizing power battery pack.

In one embodiment, along the second direction A2 for being different from first direction A1, battery modules at least two are more A2 is arranged a battery modules in a second direction.In other embodiments, battery modules may be one.

Above-mentioned first end plate 207 and the second end plate 208, alternatively, mould group bottom plate 211 can be supported by numerous embodiments On the first frame 201 and the second frame 202, with no restriction to this disclosure, for example, being detachably fastened by fastener On first frame 201 and the second frame 202；Or it is fixed with the first frame 201 and the second frame 202 by welding； Or it is connect by mode for dispensing glue with the first frame 201 and the second frame 202；Or it directly prevents in 201 He of the first frame On second frame 202, supported by the first frame 201 and the second frame 202.

In some embodiments, as shown in figure 23, the power battery pack is disposed with battery described in multilayer along third direction A3 Mould group.For the embodiment that single battery 100 is arranged in storing apparatus 200 by battery modules, battery modules can be with For the multilayer being laminated along third direction A3, at least there are a battery modules in every layer.In this way, receiving can be further improved The volume utilization of device 200, and then improve the cruising ability of power battery pack.

In the above-described embodiments, the battery modules being stacked along third direction, can be both ends and the first frame and the second side The battery modules of frame cooperation, be also possible to be directly placed at the top of next layer of battery modules without with the first frame and the second frame Cooperation support or connection.

In some embodiments, in battery modules including the embodiment of mould group bottom plate 211, such as Fig. 9 and Figure 10 It is shown, thermal insulation layer 217 can be set between mould group bottom plate 211 and single battery 100, to completely cut off single battery 100 and the external world Heat transfer, realize the function that single battery 100 is kept the temperature, and avoid the external environment and storing apparatus outside storing apparatus 200 There is a phenomenon where heat to interfere between single battery 100 in 200.Optionally, thermal insulation layer 217 can be for heat-insulated, heat preservation function The material of energy is made, for example, being made of heat-preservation cotton.

For in battery modules including the embodiment of mould group top plate 212, as shown in figure 11, mould group top plate 212 with Heat-conducting plate 218 can be set between single battery 100, in favor of the heat dissipation of single battery 100, and guarantee multiple single batteries 100 Between temperature difference it is not too big.Heat-conducting plate 218 can be made of the good material of thermal conductivity, for example, heat-conducting plate 218 can be led The materials such as the high copper of hot coefficient or aluminium are made.

In one embodiment, above-mentioned mould group top plate 212 is the liquid cooling plate 219 for being internally provided with cooling structure, liquid cooling Plate 219 is internally provided with coolant liquid, to realize the cooling to single battery 100 by coolant liquid, enables single battery 100 It is enough to be in suitable operating temperature.Since liquid cooling plate 219 and single battery 100 are provided with heat-conducting plate 218, passing through coolant liquid pair When single battery 100 is cooled down, the temperature difference of 219 position of liquid cooling plate can carry out equilibrium by heat-conducting plate 218, thus will Temperature difference between multiple single batteries 100 controls within 1 DEG C.

It can be arranged as shown in Figures 17 to 19 in the upstream of liquid cooling plate 219 to improve the cooling effect of liquid cooling plate 219 Gas-liquid separator 223, since the coolant liquid in liquid cooling plate 219 may be from other heat management circuits of vehicle, coolant liquid may The coolant liquid mixed for gaseous state and liquid can after so that the coolant liquid of gas-liquid mixed is carried out gas-liquid separation by gas-liquid separator 223 Single battery 100 is cooled down with guaranteeing that the coolant liquid of pure liquid phase enters liquid cooling plate 219, guarantees cooling effect.

Cold liquid plate can have any suitable structure.In one embodiment, as shown in figure 17, in liquid cooling plate 219 It can have a plurality of coolant duct 224, every coolant duct 224 is formed as U-shaped structure, is located at ipsilateral cooling to have Liquid entrance 225 and cooling liquid outlet 226, the coolant inlet 225 and cooling liquid outlet 226 of a plurality of coolant duct 224 are along more The orientation of coolant duct 224 is successively spaced setting, and power battery pack further includes feed liquor house steward 227 and liquid outlet 228, each coolant inlet 225 is connected to feed liquor house steward 227, and each cooling liquid outlet 226 is connected to liquid outlet 228.

In another embodiment, as shown in Figure 18 and Figure 19, there is a plurality of coolant duct 224 in liquid cooling plate 219, A plurality of coolant duct 224 is straight tube road and is alternatively arranged in parallel to each other that the both ends of each coolant duct 224 are respectively provided with The coolant inlet 225 and cooling liquid outlet 226 being oppositely arranged, the coolant inlet 225 and cooling of a plurality of coolant duct 224 Liquid outlet 226 is successively spaced setting along the orientation of a plurality of coolant duct 224, and power battery pack further includes feed liquor house steward 227 and liquid outlet 228, each coolant inlet 225 be connected to feed liquor house steward 227, each cooling liquid outlet 226 and liquid out are total Pipe 228 is connected to.As shown in Figure 18 and Figure 19,227 road of feed liquor house steward is provided with coolant liquid main entrance 229, on liquid outlet 228 It is provided with coolant liquid general export 230, coolant liquid main entrance 229 and coolant liquid general export 230 are located at the ipsilateral or opposite side of water-cooled plate.

The cooling of single battery 100 can also be cooled down by refrigerant, in the another embodiment that the disclosure provides In, mould group top plate 212 is the direct-cooled plate 220 for being internally provided with cooling structure, and direct-cooled plate 220 is internally provided with refrigerant, the refrigerant It can be to carry out the refrigerant after radiating and cooling via vehicle air conditioner, low temperature refrigerant can effectively absorb single battery 100 Heat, so that the temperature of single battery 100 is remained at suitable temperature value.The wherein pipeline in direct-cooled plate 220 and above-mentioned Liquid cooling plate 219 can have identical can also be different.

In addition, to enable the first frame 201 and the second frame 202 to provide support force to single battery 100 excessively, in the disclosure In a kind of embodiment provided, as shown in Figure 5 and Figure 6, the first frame 201 is provided with the first support level 213, the second frame 202 are provided with the second support level 214；The first end of each single battery 100 is supported on the first support level 213, each The second end of single battery 100 is supported on the second support level 214.Optionally, the first support level 213 can be from the first side The bottom of frame 201 is inwardly projecting, and the second support level 214 can be inwardly projecting from the bottom of the second frame 202.With the prior art In support the technical solution of single battery 100 to compare by the bottom plate in storing apparatus 200, in the disclosure, pass through setting The first support level 213 and the second support level 214 on the first frame 201 and the second frame 202 support single battery 100, it can simplify the structure of the storing apparatus 200 of disclosure offer, and mitigate the weight of storing apparatus 200.Optionally, first Insulation board can be set on support level 213 and the second support level 214, insulation board is located at single battery 100 and the first support Between step 213 and the second support level 214.

In some embodiments, the first fixed part 215 is additionally provided on the first frame 201, the second frame 202 is additionally provided with Two fixed parts 216, the first end of each single battery 100 are fixed on the first fixed part 215, and the of each single battery 100 Two ends are fixed on the second fixed part 216.Optionally, which can be the third being arranged on the first frame 201 Support level, third support level are located at the top of the first support level 213, which can be setting the The 4th support level on two frames 202, the 4th support level are located at the top of the second support level 214.The first end of battery It can be fixed by fastener and the first fixed part 215 and the second fixed part 216 with second end；Or it is welded on the first fixed part 215 and second on fixed part 216.

First end plate 207, and neighbouring second are provided with adjacent to one end of the first frame 201 for multiple single batteries 100 One end of frame 202 is provided with for the embodiment of the second end plate 208, first end plate 207 can with bottom can be supported on On one support level 213, the top of first end plate 207 or side wall can be fixed on the first fixed part 215；Second end plate 208 Bottom can be supported on the second support level 214, the top of the second end plate 208 or side wall can be fixed on the second fixed part On 216.

In addition, when the power battery pack that the disclosure provides is arranged on electric vehicle, in a kind of implementation that the disclosure provides In mode, first direction A1 mentioned above can be the width direction of vehicle body, that is, the left and right directions of vehicle, second direction A2 It can be the length of wagon direction of vehicle, that is, the front-rear direction of vehicle, in this way, since single battery 100 prolongs along first direction A1 It stretches, single battery 100 plays in storing apparatus 200 laterally reinforces beam action.In another embodiment party that the disclosure provides In formula, first direction A1 mentioned above can be the length of wagon direction of vehicle, that is, the front-rear direction of vehicle, second direction A2 can be the width direction of vehicle body, that is, the left and right directions of vehicle, in this way, since single battery 100 prolongs along first direction A1 It stretches, single battery 100 plays longitudinally reinforced beam action in storing apparatus 200.

According to another aspect of the disclosure, a kind of energy storage device is provided, which includes above-mentioned power battery Packet.The energy storage device can be not only used for passenger car, can be also used for commercial vehicle, special purpose vehicle, steamer, backup power source (dps, Ups), electric bicycle, battery-operated motor cycle, Segway Human Transporter etc. need to provide the device of electric energy using single battery 100 for it On.

According to another aspect of the disclosure, a kind of electric vehicle is provided, it is above-mentioned to be formed at least one on the electric vehicle Storing apparatus 200, the storing apparatus 200 are integrally formed the cavity mentioned above 300 on electric vehicle.

According to another aspect of the disclosure, a kind of electric vehicle is provided, which includes above-mentioned power battery pack, should Storing apparatus 200 in power battery pack is to individually produce for accommodating and installing the Vehicular tray of single battery 100.

Here, electric vehicle may include that commercial vehicle, special purpose vehicle, electric bicycle, battery-operated motor cycle, Segway Human Transporter etc. need Power battery pack is used to provide electric energy for it, with the electric vehicle for driving it to travel.

In some embodiments, the bottom of the electric vehicle, the bottom of storing apparatus 200 and electric vehicle is arranged in power battery pack Disk is fixedly connected.Since the installation space at electric vehicle chassis is larger, power battery pack is arranged at the chassis of electric vehicle, it can To improve the quantity of single battery 100 as much as possible, to improve the cruising ability of electric vehicle.

In some embodiments, electric vehicle includes the power battery pack that electric vehicle bottom is arranged in, storing apparatus 200 with The chassis of electric vehicle is fixedly connected, and first direction A1 is the vehicle-body width direction of electric vehicle, that is, the left and right directions of electric vehicle, the Two direction A2 are the length of wagon direction of electric vehicle, that is, the front-rear direction of electric vehicle.In other embodiments, electric vehicle can To include multiple power battery packs that electric vehicle bottom is arranged in, the shape and size of multiple power battery pack can be identical, It can also be different, specifically, each power battery pack can be adjusted according to the shape and size of electric vehicle chassis, Duo Gedong Length direction of the power battery pack along vehicle body, that is, front-rear direction arrangement.

In some embodiments, in a kind of embodiment that the disclosure provides, the width of the A1 in a first direction of storing apparatus 200 The ratio for spending L3 and body width W meets: 50%≤L3/W≤80% can pass through the width along vehicle body in the present embodiment Degree direction is only arranged storing apparatus 200 and realizes, when storing apparatus 200 is multiple, multiple storing apparatus 200 are along vehicle body Length direction arrangement.For most vehicles, body width 500mm-2000mm, for example, 500mm, 1600mm, 1800mm, 2000mm, length of wagon 500mm-5000mm, for passenger car, the width of passenger car is usually 500mm- 1800mm, the length of vehicle body are 500mm-4000mm.

In some embodiments, the ratio of length L4 and body width W on the A1 in a first direction of single battery 100 are full Foot: 40%≤L4/W≤70%.Consider storing apparatus 200 the first frame 201 and the second frame 202 thickness the case where Under, when the ratio of length L4 and body width W on the A1 in a first direction of single battery 100 meet: 40%≤L4/W≤ When 70%, in the present embodiment, a single battery 100 can be only set along the width direction of vehicle body and realized.Other can Can embodiment in, meet in the case that such size requires, can be arranged in the longitudinal direction multiple battery modules or Multiple single batteries are realized.As an implementation, the length L4 on A1 is 500mm- to single battery 100 in a first direction 1000mm。

It should be noted that in some embodiments in the present invention, although disclosing the both ends difference an of single battery With the scheme of the first frame and the cooperation support of the second frame, but in the actual production process, it is possible to appearance can not make with The single battery for the length dimension that body width matches；In other words, single battery can not be processed to because of certain reasons The length that we want.Because electric vehicle requires the voltage platform of single battery, and in fixed material system Under, to reach certain voltage platform, the volume of required single battery is certain；This is allowed for, if increasing monomer electricity The length in pond will reduce its thickness or width.And on the other hand, it is ensured that the surface area of entire battery, to improve heat dissipation Function, herein under the premise of, can not pass through reduce single battery width (height) Lai Zengjia single battery length；Meanwhile On car body, height space is using being also limited, generally (high to the width of single battery in order to utmostly reduce influence Degree) it does not adjust.Therefore, single battery can only be changed and change entire list along the length of first direction and the thickness of second direction The surface area of body battery；So, if it is desired to increase length, maximum probability can be from the point of view of reducing thickness.And in fact, monomer For battery because inside needs to be added battery core and associated materials, the variation of thickness has a minimum limit value；This is allowed for, The length of single battery because by thickness with limiting value influenced, length on first direction changes ability, is also limited, not The length of increase single battery that can be unlimited.

Therefore, in some embodiments, can be solved the above problems by the way that two single batteries are arranged in a first direction.Example Such as, former along the scheme that a single battery is arranged in first direction, single battery is 1000mm along the length of first direction, that , after this scheme, two single batteries are set in a first direction, the length of each single battery is probably the left side 450mm It is right.It why is less than the half of 1000mm, is because centre needs to add installation position.

According to one aspect of the disclosure, a kind of power battery pack, including storing apparatus 200 and setting are provided in the appearance The multiple single batteries 100 received in device 200, each single battery 100 include opposite first end and second end, the receiving Device 200 includes the first frame 201 and the second frame 202 being oppositely arranged along first direction A1, the multiple single battery 100 It is arranged between first frame 201 and the second frame 202, the first end of each single battery 100 is supported on The second end of first frame 201, each single battery 100 is supported on second frame 202.

Optionally, the storing apparatus 200 is Vehicular tray.

Optionally, the single battery 100 is 500mm-1000mm along the length of the first direction A1.

Optionally, the storing apparatus 200 is formed on electric vehicle.

Optionally, the storing apparatus 200 is the cavity 300 to lower recess.

Optionally, the cavity 300 includes opposite the first side wall 301 and second sidewall 302, first frame 201 For the first side wall 301 of the cavity 300 and the extension of the first side wall 301, second frame 202 is described The second sidewall 302 of cavity 300 and the extension of the second sidewall 302.

Optionally, the extension of the first side wall 301 and the extension of the second sidewall 302 form institute State the bottom 305 of cavity 300.

Optionally, the single battery is L1, the inner surface of first frame 201 along the length of the first direction A1 It is L2 at a distance from the first direction A1 between the inner surface of second frame 202, wherein meet L1/L2 >=50%.

Optionally, meet 80%≤L1/L2≤97%.

Optionally, multiple single batteries 100 are arranged along the different second direction A2 with the first direction A1.

Optionally, the power battery pack is disposed with the multiple single battery 100 of multilayer along third direction A3, in every layer The multiple single battery 100 be respectively positioned between first frame 201 and the second frame 202.

Optionally, each single battery 100 is arranged by length direction of the first direction A1.

Optionally, the storing apparatus 200 includes being oppositely arranged along the second direction A2 different from the first direction A1 There are third frame 203 and the 4th frame 204, the multiple single battery 100 is arranged in the third along the second direction A2 Between frame 203 and the 4th frame 204.

Optionally, the third frame 203 applies direction to the single battery 100 that the neighbouring third frame 203 is arranged The active force of 4th frame 204, the monomer electricity that the 4th frame 204 is arranged to neighbouring 4th frame 204 Pond 100 applies the active force towards the third frame 203.

Optionally, it is arranged between the third frame 203 and the single battery 100 of the neighbouring third frame 203 There is the single battery of the first elastic buffer plate 205 and/or the 4th frame 204 and neighbouring 4th frame 204 The second elastic buffer plate 206 is provided between 100.

Optionally, the first end of each single battery 100 is fixed on first frame 201, and described second End is fixed on second frame 202.

Optionally, at least partly first end of single battery and first frame 201 in the multiple single battery 100 Between be provided with first end plate 207；At least partly second end of single battery and described second in the multiple single battery 100 The second end plate 208 is provided between frame 202；The first end of at least partly single battery 100 passes through the first end plate 207 are supported on first frame 201, and the second end of at least partly single battery 100 passes through second end plate 208 Support is in second frame 202；The first end plate 207, the second end plate 208 and at least partly single battery 100 composition Battery modules.

Optionally, mould group bottom plate 211 at least partly is provided with below single battery 100 in the multiple single battery 100, At least partly single battery 100 is supported on first frame 201 and the second frame 202 by the mould group bottom plate 211； The mould group bottom plate 211 forms battery modules at least partly single battery 100.

Optionally, mould group bottom plate 211, the mould group bottom plate 211 and institute are provided with below at least partly single battery The connection of first end plate 207 is stated, the mould group bottom plate 211 is connect with second end plate 208；The mould group bottom plate 211, first end Plate 207, the second end plate 208 form the battery modules at least partly described single battery 100.

Optionally, be provided with mould group top plate 212 above at least partly single battery 100, the mould group top plate 212 with The first end plate 207 connects, and the mould group top plate 212 is connect with second end plate 208；The mould group top plate 212, mould group Bottom plate 211, first end plate 207, the second end plate 208 form the battery modules at least partly single battery 100.

Optionally, the storing apparatus 200 is relatively set with the along the second direction A2 different from the first direction A1 Three frames 203 and the 4th frame 204, the single battery 100 of the neighbouring third frame 203 is towards the third frame 203 Side is provided with the first side plate 209, and the single battery 100 of neighbouring 4th frame 204 is towards the one of the 4th frame 204 Side is provided with the second side plate 210, the first end plate 207, the second end plate 208, the first side plate 209, the second side plate 210, mould group Top plate 212, mould group bottom plate 211 and at least partly single battery 100 form the battery modules.

Optionally, along the second direction A2 for being different from the first direction A1, the battery modules are at least two.

Optionally, the power battery pack edge is disposed with battery modules described in multilayer along third direction A3.

Optionally, the single battery 100 be rectangular parallelepiped structure rectangular cell, and have length L, thickness D and between Height H between the length L and thickness D, the edge-on placement of each single battery 100, each single battery 100 Length direction be the first direction A1, thickness direction be the second direction A2, short transverse be third direction A3, adjacent two A single battery 100 is arranged by way of facing big face greatly.

Optionally, first frame 201 is provided with the first support level 213, and second frame 202 is provided with second Support level 214；The first end of each single battery 100 is supported on first support level 213, each described The second end of single battery 100 is supported on second support level 214.

Optionally, first frame 201 is provided with the first fixed part 215, and it is solid that second frame 202 is provided with second Determine portion 216；The first end of each single battery 100 is fixed on first fixed part 215, each monomer electricity The second end in pond 100 is fixed on second fixed part 216.

Optionally, first end plate is provided between the first end of the multiple single battery 100 and first frame 201 207, the second end plate 208, the multiple list are provided between the second end of the multiple single battery 100 and second frame Mould group bottom plate 211 is provided with below body battery 100, the top of the multiple single battery 100 is provided with mould group top plate 212, institute It states storing apparatus 200 and is relatively set with third frame 203 and the 4th side along the second direction A2 different from the first direction A1 Frame 204 is provided with the first side plate between the single battery 100 adjacent with the third frame 203 and the third frame 203 209, it is provided with the second side plate 210 between the single battery 100 and the 4th frame 204 adjacent with the 4th frame 204, The first end plate 207, the second end plate 208, the first side plate 209, the second side plate 210, mould group top plate 212,211 and of mould group bottom plate The multiple single battery 100 forms a battery modules.

Optionally, the ratio of the length L and thickness D of the single battery 100 meet 50≤L/D≤70.

Optionally, the ratio of the surface area S and volume V of the single battery 100 meet 0.15≤S/V≤0.2.

Optionally, the surface area S of the single battery 100 and the ratio of ENERGY E meet 250≤S/E≤400.

Optionally, the single battery 100 is metal shell rectangular cell.

Optionally, thermal insulation layer 217 is provided between the mould group bottom plate 211 and the single battery 100.

Optionally, heat-conducting plate 218 is provided between the mould group top plate 212 and the single battery 100.

Optionally, the mould group top plate 212 is the liquid cooling plate 219 or direct-cooled plate 220 for being internally provided with cooling structure, described Liquid cooling plate 219 is internally provided with coolant liquid, and the direct-cooled plate 220 is internally provided with refrigerant.

Optionally, the first electrode 101 of the single battery 100 is by the single battery 100 towards first frame 201 first end is drawn, and the second electrode 102 of the single battery 100 is by the single battery 100 towards described second The second end of frame 202 is drawn.

Optionally, the first end of the single battery 100 towards first frame 201 is provided with explosion-proof valve 103, First frame 201 is internally provided with exhaust passage 222, on first frame 201 and described in each single battery 100 The corresponding position of explosion-proof valve 103 is provided with air inlet 221, and the air inlet 221 is connected to the exhaust passage 222, described The gas vent being connected to the exhaust passage 222 is provided on storing apparatus 200；And/or the single battery 100 is towards described The second end of second frame 202 is provided with explosion-proof valve 103, and second frame 202 is internally provided with exhaust passage 222, Position corresponding with the explosion-proof valve 103 of each single battery 100 is provided with air inlet 221 on second frame 202, The air inlet 221 is connected to the exhaust passage 222, is provided on the storing apparatus 200 and is connected with the exhaust passage 222 Logical gas vent.

Optionally, the first direction A1 is vehicle-body width direction, and the second direction A2 is length of wagon direction；Or Person, the first direction A1 are length of wagon direction, and the second direction A2 is vehicle-body width direction.

According to another aspect of the disclosure, a kind of electric vehicle is provided, including above-mentioned power battery pack.

Optionally, the power battery pack is arranged in the bottom of the electric vehicle, the storing apparatus 200 with it is described electronic The chassis of vehicle is fixedly connected.

Optionally, the electric vehicle includes the power battery pack that the electric vehicle bottom is arranged in, the receiving dress It sets 200 to be fixedly connected with the chassis of the electric vehicle, the first direction A1 is the vehicle-body width direction of the electric vehicle, described Second direction A2 is the length of wagon direction of the electric vehicle.

Optionally, the storing apparatus 200 meets in the ratio of the width L3 and body width W of the first direction A1: 50%≤L3/W≤80%.

Optionally, the ratio of the length L4 and body width W on the first direction A1 of the single battery 100 are full Foot: 40%≤L4/W≤70%.

The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection scope of the disclosure.

It is further to note that specific technical features described in the above specific embodiments, in not lance In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the disclosure to it is various can No further explanation will be given for the combination of energy.

In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought equally should be considered as disclosure disclosure of that.

Claims

1. a kind of power battery pack, which is characterized in that including storing apparatus (200) and setting in the storing apparatus (200) Multiple single batteries (100), each single battery (100) includes opposite first end and second end, the storing apparatus It (200) include the first frame (201) and the second frame (202) being oppositely arranged along first direction (A1), the multiple monomer electricity Pond (100) be arranged between first frame (201) and the second frame (202), each single battery (100) it is described First end is supported on first frame (201), and the second end of each single battery (100) is supported on described second Frame (202).

2. power battery pack according to claim 1, which is characterized in that the storing apparatus (200) is Vehicular tray.

3. power battery pack according to claim 2, which is characterized in that the single battery (100) is along the first party It is 500mm-1000mm to the length of (A1).

4. power battery pack according to claim 1, which is characterized in that the storing apparatus (200) is formed in electric vehicle On.

5. power battery pack according to claim 4, which is characterized in that the storing apparatus (200) is to lower recess Cavity (300).

6. power battery pack according to claim 5, which is characterized in that the cavity (300) includes the first opposite side Wall (301) and second sidewall (302), first frame (201) be the cavity (300) the first side wall (301) and The extension of the first side wall (301), second frame (202) are the second sidewall (302) of the cavity (300) And the extension of the second sidewall (302).

7. power battery pack according to claim 6, which is characterized in that the extension of the first side wall (301) The bottom (305) of the cavity (300) is formed with the extension of the second sidewall (302).

8. power battery pack according to claim 1, which is characterized in that the single battery (100) is along the first party It is L1 to the length of (A1), along institute between the inner surface of first frame (201) and the inner surface of second frame (202) The distance for stating first direction (A1) is L2, wherein meets L1/L2 >=50%.

9. power battery pack according to claim 8, which is characterized in that meet 80%≤L1/L2≤97%.

10. power battery pack described in any one of -9 according to claim 1, which is characterized in that multiple single batteries (100) it arranges along the different second directions (A2) with the first direction (A1).

11. power battery pack according to claim 10, which is characterized in that the power battery pack is along third direction (A3) It is disposed with the multiple single battery of multilayer (100), the multiple single battery (100) in every layer is respectively positioned on first side Between frame (201) and the second frame (202).

12. power battery pack described in any one of -9 according to claim 1, which is characterized in that each single battery It (100) is length direction setting with the first direction (A1).

13. power battery pack described in any one of -9 according to claim 1, which is characterized in that the storing apparatus (200) Including being relatively set with third frame (203) and the 4th frame along the second direction (A2) different from the first direction (A1) (204), the multiple single battery (100) is arranged in the third frame (203) and the 4th side along the second direction (A2) Between frame (204).

14. power battery pack according to claim 13, which is characterized in that the third frame (203) is to adjacent to described The single battery (100) of third frame (203) setting applies the active force towards the 4th frame (204), the 4th side Frame (204) applies to the single battery (100) that neighbouring 4th frame (204) is arranged towards the third frame (203) active force.

15. power battery pack according to claim 14, which is characterized in that the third frame (203) and neighbouring described The first elastic buffer plate (205) and/or the 4th side are provided between the single battery (100) of third frame (203) The second elastic buffer plate is provided between frame (204) and the single battery (100) of neighbouring 4th frame (204) (206)。

16. power battery pack according to claim 1, which is characterized in that described the of each single battery (100) One end is fixed on first frame (201), and the second end is fixed on second frame (202).

17. power battery pack according to claim 1, which is characterized in that at least portion in the multiple single battery (100) Divide between the first end and first frame (201) of single battery and is provided with first end plate (207)；The multiple single battery (100) the second end plate (208) at least partly are provided between the second end of single battery and second frame (202) in；Institute The first end for stating at least partly single battery (100) is supported on first frame (201) by the first end plate (207), The second end of at least partly single battery (100) is supported on second frame by second end plate (208) (202)；The first end plate (207), the second end plate (208) and at least partly single battery (100) form battery modules.

18. power battery pack according to claim 1, which is characterized in that at least portion in the multiple single battery (100) Divide below single battery (100) and be provided with mould group bottom plate (211), at least partly single battery (100) passes through the mould group Bottom plate (211) is supported on first frame (201) and the second frame (202)；The mould group bottom plate (211) and at least portion Single battery (100) are divided to form battery modules.

19. power battery pack according to claim 17, which is characterized in that setting below at least partly single battery Have mould group bottom plate (211), the mould group bottom plate (211) connect with the first end plate (207), the mould group bottom plate (211) with Second end plate (208) connection；The mould group bottom plate (211), first end plate (207), the second end plate (208) and it is described at least The part single battery (100) forms the battery modules.

20. power battery pack according to claim 18, which is characterized in that on at least partly single battery (100) Side is provided with mould group top plate (212), and the mould group top plate (212) connect with the first end plate (207), the mould group top plate (212) it is connect with second end plate (208)；The mould group top plate (212), mould group bottom plate (211), first end plate (207), Two end plates (208) and at least partly single battery (100) form the battery modules.

21. power battery pack according to claim 20, which is characterized in that the storing apparatus (200) is along different from institute The second direction (A2) for stating first direction (A1) is relatively set with third frame (203) and the 4th frame (204), and neighbouring described the The side of the single battery (100) of three frames (203) towards the third frame (203) is provided with the first side plate (209), neighbouring The side of single battery (100) towards the 4th frame (204) of 4th frame (204) is provided with the second side plate (210), the first end plate (207), the second end plate (208), the first side plate (209), the second side plate (210), mould group top plate (212), mould group bottom plate (211) and at least partly single battery (100) form the battery modules.

22. power battery pack described in any one of 7-21 according to claim 1, which is characterized in that along being different from described the The second direction (A2) in one direction (A1), the battery modules are at least two.

23. power battery pack described in any one of 7-21 according to claim 1, which is characterized in that the power battery pack Edge is disposed with battery modules described in multilayer along third direction (A3).

24. power battery pack according to claim 10, which is characterized in that the single battery (100) is rectangular parallelepiped structure Rectangular cell, and there is length (L), thickness (D) and the height (H) between the length (L) and thickness (D), each The edge-on placement of the single battery (100), the length direction of each single battery (100) are the first direction (A1), Thickness direction is the second direction (A2), and short transverse is third direction (A3), and the two neighboring single battery (100) is logical The excessive mode in face of big face is arranged.

25. power battery pack according to claim 1, which is characterized in that first frame (201) is provided with first It supports step (213), second frame (202) is provided with the second support level (214)；Each single battery (100) The first end is supported on first support level (213), and the second end of each single battery (100) is supported on Second support level (214).

26. power battery pack according to claim 25, which is characterized in that first frame (201) is provided with first Fixed part (215), second frame (202) are provided with the second fixed part (216)；The institute of each single battery (100) It states first end and is fixed on first fixed part (215), the second end of each single battery (100) is fixed on described Second fixed part (216).

27. power battery pack described in any one of -9 according to claim 1, which is characterized in that the multiple single battery (100) it is provided with first end plate (207) between first end and first frame (201), the multiple single battery (100) Second end and second frame between be provided with the second end plate (208), be provided with below the multiple single battery (100) Mould group bottom plate (211) is provided with mould group top plate (212), the storing apparatus above the multiple single battery (100) (200) third frame (203) and the 4th frame are relatively set with along the second direction (A2) different from the first direction (A1) (204), first is provided between the single battery (100) and the third frame (203) adjacent with the third frame (203) Side plate (209) is provided between adjacent single battery (100) and the 4th frame (204) with the 4th frame (204) Second side plate (210), the first end plate (207), the second end plate (208), the first side plate (209), the second side plate (210), mould Group top plate (212), mould group bottom plate (211) and the multiple single battery (100) form a battery modules.

28. power battery pack according to claim 24, which is characterized in that the length (L) of the single battery (100) and The ratio of thickness (D) meets 50≤L/D≤70.

29. power battery pack according to claim 24, which is characterized in that the surface area (S) of the single battery (100) Meet 0.15≤S/V≤0.2 with the ratio of volume (V).

30. power battery pack according to claim 24, which is characterized in that the surface area (S) of the single battery (100) Meet 250≤S/E≤400 with the ratio of energy (E).

31. power battery pack described in any one of -9 according to claim 1, which is characterized in that the single battery (100) For metal shell rectangular cell.

32. power battery pack described in any one of 8-21 according to claim 1, which is characterized in that the mould group bottom plate (211) it is provided between the single battery (100) thermal insulation layer (217).

33. the power battery pack according to claim 20 or 21, which is characterized in that the mould group top plate (212) with it is described Heat-conducting plate (218) are provided between single battery (100).

34. power battery pack according to claim 31, which is characterized in that the mould group top plate (212) is internal setting There are the liquid cooling plate (219) or direct-cooled plate (220) of cooling structure.

35. power battery pack described in any one of -9 according to claim 1, which is characterized in that the single battery (100) First electrode (101) by the single battery (100) towards first frame (201) the first end draw, it is described The second electrode (102) of single battery (100) is by the single battery (100) towards described the of second frame (202) It draws at two ends.

36. power battery pack described in any one of -9 according to claim 1, which is characterized in that the single battery (100) It is provided with explosion-proof valve (103) towards the first end of first frame (201), setting inside first frame (201) Have exhaust passage (222), it is corresponding with the explosion-proof valve (103) of each single battery (100) on first frame (201) Position is provided with air inlet (221), and the air inlet (221) is connected to the exhaust passage (222), the storing apparatus (200) gas vent being connected to the exhaust passage (222) is provided on；And/or the single battery (100) is towards described The second end of two frames (202) is provided with explosion-proof valve (103), and second frame (202) is internally provided with exhaust passage (222), position corresponding with the explosion-proof valve (103) of each single battery (100) is respectively provided on second frame (202) Have air inlet (221), the air inlet (221) is connected to the exhaust passage (222), is arranged on the storing apparatus (200) There is the gas vent being connected to the exhaust passage (222).

37. power battery pack according to claim 10, which is characterized in that the first direction (A1) is body width side To the second direction (A2) is length of wagon direction；Alternatively, the first direction (A1) is length of wagon direction, described the Two directions (A2) are vehicle-body width direction.

38. a kind of electric vehicle, which is characterized in that the electric vehicle includes power electric described in any one of claim 1-37 Chi Bao.

39. the electric vehicle according to claim 38, which is characterized in that the electric vehicle is arranged in the power battery pack Bottom, the storing apparatus (200) are fixedly connected with the chassis of the electric vehicle.

40. the electric vehicle according to claim 38 or 39, which is characterized in that the electric vehicle includes being arranged described electronic One power battery pack of vehicle bottom, the storing apparatus (200) are fixedly connected with the chassis of the electric vehicle, the first party It is the vehicle-body width direction of the electric vehicle to (A1), the second direction (A2) is the length of wagon direction of the electric vehicle.

41. electric vehicle according to claim 40, which is characterized in that the storing apparatus (200) is in the first direction (A1) ratio of width (L3) and body width (W) meets: 50%≤L3/W≤80%.

42. electric vehicle according to claim 41, which is characterized in that the single battery (100) in the first party The ratio of length (L4) and body width (W) on (A1) meets: 40%≤L4/W≤70%.

43. a kind of energy storage device, which is characterized in that the energy storage device includes moving described in any one of claim 1-37 Power battery pack.