CN208336365U - Battery and battery modules - Google Patents
Battery and battery modules Download PDFInfo
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- CN208336365U CN208336365U CN201821046017.0U CN201821046017U CN208336365U CN 208336365 U CN208336365 U CN 208336365U CN 201821046017 U CN201821046017 U CN 201821046017U CN 208336365 U CN208336365 U CN 208336365U
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- docking
- battery
- battery modules
- face
- width direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a kind of battery and battery modules.Battery includes: coping plate；And electrode terminal, top protrude from coping plate；Wherein, electrode terminal is formed with docking section in the side of width direction, and the docking section docking for electrode terminal corresponding with adjacent cell is to realize electrical connection.Battery modules include multiple above-mentioned batteries, and adjacent two electrode terminal of two neighboring battery is relative to each other, and two docking sections of two opposite electrode terminals abut each other so that two neighboring battery is electrically connected.When the battery of the utility model is used for battery modules, use connection sheet in the prior art is omitted to be electrically connected, saves the space of battery modules, improves the volume energy density of battery modules, the overall weight for alleviating battery modules simultaneously, improves the gravimetric energy density of battery modules.
Description
Technical field
The utility model relates to field of batteries more particularly to a kind of battery and battery modules.
Background technique
Because of the rapid development of new-energy automobile industry, new-energy automobile gradually replaces fuel-engined vehicle.Currently in order to improving electricity
The energy density of Chi Mo group, monomer structure design optimization mitigate weight, save emphasis of the space as technological development.
Currently, occupying the space of battery modules using connection sheet connection electrode terminal in battery modules, assembly should not be grasped
Make, and increases overall weight and then influence the promotion of battery modules energy density.
Utility model content
In view of the problems in the background art, the purpose of this utility model is to provide a kind of battery and battery modules,
It can be avoided using connection sheet connection electrode terminal, improve the energy density of battery modules.
To achieve the goals above, the utility model provides a kind of battery comprising: coping plate；And electrode terminal,
Top protrudes from coping plate；Wherein, electrode terminal is formed with docking section in the side of width direction, for pair with adjacent cell
The docking section docking for the electrode terminal answered is to realize electrical connection.
In an embodiment of battery, docking section includes: docking end face, positioned at the side of the width direction of electrode terminal；
And recess portion, it is inwardly concaved in the width direction from the downside of docking end face；Or docking section includes: docking end face, is located at electrode
The side of the width direction of terminal；And protrusion, it is protruded outward in the width direction from the downside of docking end face.
To achieve the goals above, the utility model additionally provides a kind of battery modules comprising multiple batteries above-mentioned,
Adjacent two electrode terminal of two neighboring battery is relative to each other, and two docking sections of two opposite electrode terminals are each other
It docks so that two neighboring battery is electrically connected.
In an embodiment of battery modules, one in two docking sections includes: docking end face, positioned at electrode terminal
The side of width direction；And recess portion, it is inwardly concaved in the width direction from the downside of docking end face；It is another in two docking sections
A includes: docking end face, positioned at the side of the width direction of electrode terminal；And protrusion, the lower lateral edge width from docking end face
Direction protrudes outward；The docking end face of two docking sections is oppositely arranged.
In an embodiment of battery modules, two butt end face pastes of two docking sections of docking are close together, protrusion
It is contained in the space of recess portion formation.
In an embodiment of battery modules, protrusion between the upper surface of short transverse and the top surface of recess portion there are
Gap.
In an embodiment of battery modules, between the side of the width direction of protrusion end face in the width direction and recess portion
There are gaps.
In an embodiment of battery modules, gap is formed between adjacent cell.
In an embodiment of battery modules, the docking end face of the docking section of two electrode terminals is laser welded.
In an embodiment of battery modules, the docking end face of the docking section of two electrode terminals is fixed by conductive filler
Together.
The beneficial effects of the utility model are as follows: adjacent two electrode terminal of two neighboring battery is relative to each other, and
Two docking sections of two opposite electrode terminals abut each other so that the electrical connection of two neighboring battery, is omitted in the prior art
Use connection sheet connection electrode terminal, save the space of battery modules, improve the volume energy density of battery modules, together
When alleviate the overall weights of battery modules, improve the gravimetric energy density of battery modules.
Detailed description of the invention
Fig. 1 is the perspective view of the battery modules of an embodiment according to the present utility model.
Fig. 2 is the sectional view that the line A-A in Fig. 1 is splitted.
Fig. 3 is the enlarged drawing of the encircled portion of Fig. 2.
Fig. 4 is the perspective view of an embodiment of the battery of the battery modules of Fig. 1.
Fig. 5 is the enlarged drawing of the encircled portion in Fig. 4.
The perspective view of another embodiment of the battery of the battery modules of Fig. 6 Fig. 1.
Fig. 7 is the enlarged drawing of the encircled portion in Fig. 6.
Fig. 8 is the exploded view of an embodiment of the battery of Fig. 4.
Wherein, the reference numerals are as follows:
1 battery W width direction
11 coping plate H short transverses
111 mounting hole, 13 shell
12 electrode terminals 131 opening
121 docking section S accommodating spaces
1211 docking 14 electrode assemblies of end face
1212 recess portion, 15 tab
1213 protrusion, 16 switching piece
Specific embodiment
Attached drawing shows the embodiments of the present invention, and will be appreciated that the disclosed embodiments are only that this is practical new
The example of type, the utility model can be implemented in a variety of manners, and therefore, detail disclosed herein, which should not be construed, to be limited
System, but only as the basis of claim and as the basis of representative for instructing those of ordinary skill in the art with various
Mode implements the utility model.
In addition, upper, lower, left, right, front and rear etc. are used to illustrate each structure of battery modules and battery in the present embodiment
The statement in the instruction direction of the operation and construction of part is not absolute but opposite, and although each when battery modules and battery
These instructions are appropriate when component is in position shown in figure, but when these position changes, these directions should have not
Same explanation, with the correspondence change.
Fig. 1 is the perspective view of the battery modules of an embodiment according to the present utility model.Fig. 2 is that the line A-A in Fig. 1 cuts open
The sectional view opened.Fig. 3 is the enlarged drawing of the encircled portion of Fig. 2.Fig. 4 is the vertical of an embodiment of the battery of the battery modules of Fig. 1
Body figure.Fig. 5 is the enlarged drawing of the encircled portion in Fig. 4.The perspective view of another embodiment of the battery of the battery modules of Fig. 6 Fig. 1.
Fig. 7 is the enlarged drawing of the encircled portion in Fig. 6.Fig. 8 is the exploded view of an embodiment of the battery of Fig. 4.
Referring to figs. 1 to Fig. 3 and Fig. 4 to Fig. 7 is combined, the battery modules according to an embodiment include multiple batteries 1.
Referring to Fig. 4 to Fig. 7, Fig. 8, each battery 1 includes: coping plate 11；And electrode terminal 12, top protrudes from coping plate
11.Specifically, coping plate 11 has mounting hole 111.Electrode terminal 12 is installed on the mounting hole 111 of coping plate 11.Battery 1 also wraps
Include: shell 13, with the open opening 131 in top and internal accommodating space S, shell 13 and the opening 131 of coping plate 11 are close
Sealing-in is closed；Electrode assembly 14 is contained in the accommodating space S of shell 13；Tab 15, it is in the accommodating space S of shell 13 and electric
It is connected to electrode assembly 14；And switching piece 16, in the accommodating space S of shell 13, and by tab 15 and electrode terminal 12
Lower part electrical connection.Electrode assembly 14 includes opposite polarity pole piece (not shown) and isolation film (not shown), pole piece include
The active material layer of collector and setting on a current collector.Electrode assembly 14 can be formed using winding method or lamination process.
The quantity of the electrode assembly 14 of each battery 1 is unrestricted, is not limited to two shown in Fig. 7, can be for one or more than two.It receives
Electrolyte can be injected by holding in space S.Tab 15 can individually be welded in corresponding pole piece or be integrally formed with corresponding pole piece.
The coping plate 11 of each battery 1 can be set as shown in the figure one.The quantity of the coping plate 11 of each battery 1 is according to each electricity
The electrode terminal 12 in pond 1 is determined in the layouts of the two sides up and down of height direction H.
Electrode terminal 12 is formed with docking section 121 in the side of width direction W, for electricity corresponding with adjacent cell 1
The docking of docking section 121 of extreme son 12 is to realize electrical connection.
There are many forms for each docking section 121.
In one embodiment, docking section 121 includes: docking end face 1211, positioned at the one of the width direction W of electrode terminal 12
Side；And recess portion 1212, from the downside of docking end face 1211, W inwardly concaves (as shown in Figure 4 and Figure 5) in the width direction.
Alternatively, docking section 121 includes: docking end face 1211, positioned at the side of the width direction W of electrode terminal 12；
And protrusion 1213, from the downside of docking end face 1211, W protrudes outward (as shown in Figure 6 and Figure 7) in the width direction.
Certainly, each docking section 121 is not limited to above structure, and docking section 121 can also be other structures, can be according to need
It designs.
The electrode terminal 12 of each battery 1 is set as two and polarity is opposite.The equal shape in docking section 121 of two electrode terminals 12
At there is recess portion 1212 (as shown in Figure 4)；Or the docking section 121 of two electrode terminals 12 is each formed with protrusion 1213 (such as Fig. 6 institute
Show)；Or the docking section 121 of an electrode terminal 12 is formed with 121 shape of docking section of protrusion 1213 and another electrode terminal 12
At there is 1212 (not shown) of recess portion.
Referring to Fig. 4 to Fig. 7, the opposite polarity electrode terminal 12 of two of each battery 1 is located at the upper surface of coping plate 11
At diagonally opposing corner.Further, the docking end face 1211 of docking section 121 is concordant with the end face of width direction W of coping plate 11.Certainly
Other positions can also be arranged in electrode terminal 12, be configured according to specific needs.
In battery modules, adjacent two electrode terminal 12 of two neighboring battery 1 opposite to each other, and two opposite
Two docking sections 121 of electrode terminal 12 abut each other so that two neighboring battery 1 is electrically connected, as a result, multiple batteries 1 are electric
Use connection sheet connection electrode terminal in the prior art is omitted when connection, saves the space of battery modules, improves electricity
The volume energy density of Chi Mo group, while the overall weight of battery modules is alleviated, the weight energy for improving battery modules is close
Degree, and compared to the assembling mode of connection sheet, the electric connection mode of the battery modules of the utility model is easy to operate, reduces life
Produce cost.
In battery modules, as shown in Figure 1 to Figure 3, one in two docking sections 121 includes: docking end face 1211, position
In the side of the width direction W of electrode terminal 12；And recess portion 1212, from docking end face 1211 downside in the width direction W to
It is recessed.Another in two docking sections 121 includes: docking end face 1211, positioned at the one of the width direction W of electrode terminal 12
Side；And protrusion 1213, from the downside of docking end face 1211, W is protruded outward in the width direction；The butt end of two docking sections 121
Face 1211 is oppositely arranged.The docking end face 1211 of two docking sections 121 is oppositely arranged, and is indicated two when two docking sections 121 are docked
There are two states for a docking end face 1211, that is, when between the recess portion 1212 of two docking sections 121 and the size of protrusion 1213
Difference within the allowable range when, two docking end faces 1211 can fit together；And when the recess portion 1212 of two docking sections 121
When difference between the size of protrusion 1213 exceeds allowed band, recess portion 1212 is engaged with protrusion 1213, and two butt ends
Face 1211 is separated from each other.
In battery modules, it is preferable that as shown in figure 3, two docking end faces 1211 patch of two docking sections 121 of docking
It is close together, protrusion 1213 is contained in the space of the formation of recess portion 1212.
In battery modules, when two docking sections 121 are docking together, protrusion 1213 is contained in the formation of recess portion 1212
In space, it is preferable that as shown in figure 3, protrusion 1213 between the upper surface of height direction H and the top surface of recess portion 1212 there are
Gap.Further, protrusion 1213 in the width direction between the side of the width direction W of the end face of W and recess portion 1212 there are
Gap.It can guarantee two docking sections 121 along the gap of height direction H and width direction W behind protrusion 1213 and the cooperation of recess portion 1212
In docking, two docking end faces 1211 fit together, and prevent because the difference between protrusion 1213 and the size of recess portion 1212 is super
It crosses allowed band and causes to dock the problem of latter two docking end face 1211 can not be bonded.In addition, swashing when using described below
When two docking end faces 1211 are fixed together by photocoagulation mode, the design of protrusion 1213 and recess portion 1212 can block sharp
Light prevents laser burn-through battery case in the welding process.
In battery modules, in order to guarantee after two docking sections 121 are docked protrusion 1213 and recess portion 1212 W in the width direction
There are gaps with height direction H, it is preferable that the distance that W is inwardly concaved in the width direction of recess portion 1212 is greater than 2mm；Protrusion 1213
The outwardly projecting distance of W is greater than 0.2mm-0.5mm in the width direction.Specifically, in one embodiment, recess portion 1212 is along height side
It is 1.5mm to the size of H, the size of W is 2.5mm in the width direction；Accordingly, protrusion 1213 is along the size of height direction H
1mm, the size of W is 1mm in the width direction.
In battery modules, in one embodiment, gap is formed between adjacent cell 1.That is, working as protrusion 1213 and recess portion
When difference between 1212 size is greater than a certain range, two docking sections 121 form two adjacent batteries 1 after docking
There is gap, the gap between adjacent cell 1 provides expansion space in subsequent use process for battery 1.
When the difference between protrusion 1213 and the size of recess portion 1212 within the allowable range when, two docking end faces 1211 are right
It is connected together, the docking end face 1211 of the docking section 121 of two electrode terminals 12 is laser welded.Thus by adjacent electricity
Pond 1 is fixedly connected, and prevents battery modules from disconnecting in the electrical connection in later period use process between docking section 121.
When the difference between protrusion 1213 and the size of recess portion 1212 exceeds allowed band, between two docking end faces 1211
It separates, at this point, the docking end face 1211 of the docking section 121 of two electrode terminals 12 is fixed together by conductive filler.It is conductive
Filler is solder or electrically conducting adhesive.Preferably, it is laser welded by conductive filler.
In battery modules, in one embodiment, referring to figs. 1 to Fig. 3, two of a battery 1 in two neighboring battery 1
A electrode terminal 12 is located at the diagonally opposing corner of the upper surface of coping plate 11, and two electrode terminals 12 of another battery 1 are located at
It can be at the diagonally opposing corner that docks of corresponding with adjacent cell 1 electrode terminal 12.Further, two docking sections abutted each other
121 docking end face 1211 and the end face of the width direction W of corresponding coping plate 11 are concordant.It is certainly not limited to this, the electricity of battery 1
Extreme son 12 also can be set at other satisfactory positions, need to only can satisfy opposite two of adjacent battery 1
Electrode terminal 12 can abut each other.
Detailed description describes multiple exemplary embodiments above, but is not intended to be limited to clearly disclosed combination herein.
Therefore, unless otherwise indicated, various features disclosed herein can be combined and be formed and not shown for clarity and
Multiple other combinations out.
Claims (10)
1. a kind of battery, comprising: coping plate (11)；And electrode terminal (12), top protrude from coping plate (11)；
It is characterized in that,
Electrode terminal (12) is formed with docking section (121) in the side of width direction (W), for corresponding with adjacent cell (1)
Electrode terminal (12) docking section (121) docking with realize electrical connection.
2. battery (1) according to claim 1, which is characterized in that
Docking section (121) includes: docking end face (1211), is located at the side of the width direction (W) of electrode terminal (12)；And it is recessed
Portion (1212) inwardly concaves in the width direction (W) from the downside of docking end face (1211)；Or
Docking section (121) includes: docking end face (1211), is located at the side of the width direction (W) of electrode terminal (12)；And it is convex
Portion (1213) protrudes outward in the width direction (W) from the downside of docking end face (1211).
3. a kind of battery modules, which is characterized in that including multiple batteries (1) according to claim 1, two neighboring battery
(1) adjacent two electrode terminal (12) opposite to each other, and two docking sections (121) of two opposite electrode terminals (12)
It abuts each other so that two neighboring battery (1) is electrically connected.
4. battery modules according to claim 3, which is characterized in that
One in two docking sections (121) includes: docking end face (1211), is located at the width direction (W) of electrode terminal (12)
Side；And recess portion (1212), it is inwardly concaved in the width direction (W) from the downside of docking end face (1211)；
Another in two docking sections (121) includes: docking end face (1211), is located at the width direction of electrode terminal (12)
(W) side；And protrusion (1213), it is protruded outward in the width direction (W) from the downside of docking end face (1211)；
The docking end face (1211) of two docking sections (121) is oppositely arranged.
5. battery modules according to claim 4, which is characterized in that
Two docking end faces (1211) of two docking sections (121) of docking stick together, and protrusion (1213) are contained in recess portion
(1212) in the space formed.
6. battery modules according to claim 4, which is characterized in that protrusion (1213) are along the upper surface of short transverse (H)
There are gaps between the top surface of recess portion (1212).
7. battery modules according to claim 4, which is characterized in that protrusion (1213) in the width direction the end face of (W) with
There are gaps between the side of the width direction (W) of recess portion (1212).
8. battery modules according to claim 3, which is characterized in that adjacent cell is formed with gap between (1).
9. battery modules according to claim 4, which is characterized in that the docking section (121) of two electrode terminals (12)
Docking end face (1211) is laser welded.
10. battery modules according to claim 4, which is characterized in that the docking section (121) of two electrode terminals (12)
Docking end face (1211) is fixed together by conductive filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821046017.0U CN208336365U (en) | 2018-07-03 | 2018-07-03 | Battery and battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821046017.0U CN208336365U (en) | 2018-07-03 | 2018-07-03 | Battery and battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208336365U true CN208336365U (en) | 2019-01-04 |
Family
ID=64786133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821046017.0U Active CN208336365U (en) | 2018-07-03 | 2018-07-03 | Battery and battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208336365U (en) |
-
2018
- 2018-07-03 CN CN201821046017.0U patent/CN208336365U/en active Active
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