CN216872101U

CN216872101U - Battery and electric equipment

Info

Publication number: CN216872101U
Application number: CN202220104792.7U
Authority: CN
Inventors: 王志; 秦峰; 计泓冶; 方郑宇; 何润泳
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-07-01
Anticipated expiration: 2032-01-14
Also published as: WO2023134536A1

Abstract

The embodiment of the application relates to the technical field of electronic element manufacturing, in particular to a battery and electric equipment. Wherein, the battery is including shell, heat transfer module and electric core module. Wherein the housing is provided with a cavity. The heat exchange module comprises a first heat exchange assembly, and the first heat exchange assembly is arranged in the containing cavity. The battery cell module is arranged in the containing cavity and comprises a plurality of battery cells, the battery cells are abutted against the first heat exchange assemblies, and the first heat exchange assemblies are perpendicular to the direction of superposition of the battery cells. Through this kind of structure, all accept a plurality of electric cores in holding the intracavity, set up the direction of first heat exchange assemblies perpendicular to electric core superpose to electric core and first heat exchange assemblies butt. Thereby make each electric core homoenergetic and first heat exchange assembly carry out the heat exchange to make the temperature of each electric core in the battery equal, prevent to lead to the output of battery to descend because the inside inhomogeneous temperature of battery.

Description

Battery and electric equipment

Technical Field

The embodiment of the application relates to the technical field of electronic element manufacturing, in particular to a battery and electric equipment.

Background

Automobiles as transportation means emit a large amount of carbon, nitrogen, sulfur oxides, hydrocarbons, lead compounds and other various atmospheric pollutants every day, which are important sources of atmospheric pollution and bring serious harm to human health and ecological environment. At present, new energy automobiles using electric energy as power gradually occupy the automobile market, so that the pollution of the pollutants to the environment is relieved.

In order to ensure high cruising ability of the new energy automobile, a lithium battery with high energy density is used as an energy source, and the lithium battery is a battery which takes lithium metal or lithium alloy as a positive electrode material and/or a negative electrode material and uses a non-aqueous electrolyte solution.

The cruising ability of a new energy automobile as a manned vehicle is a key problem which needs to be solved urgently in the market at present. For a battery of a new energy automobile, temperature is a large factor influencing output power of the battery, and the temperature of the battery is often required to be controlled in the use process of the battery, and if the temperature of the battery is not uniform, the power of the battery is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, embodiments of the present application are directed to a battery and an electric device to improve the current situation that the battery temperature is not uniform and the battery power is reduced.

In a first aspect, the present application provides a battery, which includes a housing, a heat exchange module, and a battery cell module. Wherein the housing is provided with a cavity. The heat exchange module comprises a first heat exchange assembly, and the first heat exchange assembly is arranged in the containing cavity. The battery cell module set up in the appearance intracavity, the battery cell module includes a plurality of battery cells, the battery cell with first heat exchange assemblies butt, first heat exchange assemblies perpendicular to the direction setting of battery cell superpose.

In the technical scheme of this application embodiment, a plurality of electric core all accept in hold the intracavity, will first heat exchange assemblies perpendicular to the direction setting of electric core superpose, and electric core and first heat exchange assemblies butt. Therefore, each battery cell can exchange heat with the first heat exchange assembly, the temperature of each battery cell in the battery is equal, and the reduction of the output power of the battery caused by the nonuniform temperature in the battery is prevented.

In some embodiments, the cells are arranged in an array, and a gap is formed between any two adjacent rows of the cells. The clearance is used for supplying the setting of first heat exchange assembly to make arbitrary adjacent two lines the temperature equals between the electricity core.

In some embodiments, the heat exchange module comprises a connecting pipe, and the connecting pipe is disposed in the cavity. The first heat exchange assembly comprises a plurality of radiating pipes and a heat exchange medium, the radiating pipes are communicated with the connecting pipe respectively, the heat exchange medium is filled in the radiating pipes, the radiating pipes are arranged at intervals, one radiating pipe is inserted in one gap, and the radiating pipes are respectively abutted to the two columns on two sides of the gap. And transmitting the heat exchange medium into each heat dissipation pipe through the connecting pipe, so that the heat dissipation pipes inserted into the gaps can exchange heat with the battery cores, and the temperature of each battery core is equal.

In some embodiments, the heat dissipation pipe includes a first wall, a second wall, and a third wall, one end of the second wall and one end of the third wall are respectively connected to the first wall, and the second wall and the third wall of the heat dissipation pipe respectively abut against two columns of the battery cells on two sides of the corresponding gap. Through the design, the temperature of the second wall and the third wall in the heat dissipation pipe is equal, so that the two rows of the two sides of the gap are equal to the temperature of the heat dissipation pipe subjected to heat exchange.

In some embodiments, the other end of the second wall and the other end of the third wall are connected. The shape of the cross section of the radiating pipe is triangular, and the cross section of the radiating pipe is perpendicular to the cross sections of the second wall and the third wall. Therefore, the radiating pipe can be matched with the shape of the battery cell, and the heat exchange area is increased.

In some embodiments, the radiating pipe includes a fourth wall, and the other end of the second wall and the other end of the third wall are connected to the fourth wall, respectively. The shapes of the second wall and the third wall are matched with the shape of the battery cell, and one of the radiating pipes is fitted with the battery cell in two rows of the two sides of the gap corresponding to the second wall and the third wall. Therefore, the radiating pipe can be matched with the shape of the battery cell, and the heat exchange area is increased.

In some embodiments, the heat pipe is made of plastic. When the temperature of the battery core is too high, the battery is caused to be out of control thermally, the radiating pipe prepared by plastic is dissolved, so that the heat exchange medium in the radiating pipe flows out and is attached to the battery core, and heat exchange is directly carried out.

In some embodiments, the heat exchange module further includes a second heat exchange assembly, the second heat exchange assembly is disposed in the cavity, the second heat exchange assembly is disposed in parallel to the direction in which the battery cells are stacked, and the battery cells are abutted to the second heat exchange assembly. Through setting up the second heat transfer piece, increase the heat transfer area of electricity core to improve heat exchange efficiency.

In some embodiments, the second heat exchange assembly is wavy, a plurality of first receiving grooves are formed on a surface of the second heat exchange assembly away from the first heat exchange assembly, a plurality of second receiving grooves are formed on another surface of the second heat exchange assembly facing the first heat exchange assembly, one row of the battery cells are received in one of the first receiving grooves, and the other row of the battery cells are received in one of the second receiving grooves. Through the wave-shaped second heat exchange assembly, the second heat exchange assembly is matched with the battery core in shape, the heat exchange area of the battery core is increased, and the heat exchange efficiency is improved.

In a second aspect, an embodiment of the present application further provides an electric device, which includes the above battery.

The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.

Drawings

To more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following will briefly describe the embodiments. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic illustration of a vehicle according to one embodiment of the present disclosure;

FIG. 2 is a perspective view of a battery provided by one embodiment of the present application;

FIG. 3 is an exploded view of a battery provided by one embodiment of the present application;

FIG. 4 is a cross-sectional view of plane A of FIG. 2 as provided herein;

FIG. 5 is an enlarged view of section B of FIG. 4 provided herein;

FIG. 6 is a cross-sectional view of another embodiment of FIG. 2 as provided herein;

fig. 7 is an enlarged view of the portion C of fig. 6 provided in the present application.

The reference numbers in the detailed description are as follows:

name (R)	Reference numerals	Name (R)	Reference numerals
				Automobile
	1000	Controller	200
				Battery with a battery cell	100	Motor	300
Outer casing	10	Heat exchange module	20
				Containing chamber	11	First heat exchange assembly	21
Battery cell module	30	Radiating pipe	211
				Battery cell	31	A first wall	2111
Gap	40	Second wall	2112
				Second heat exchange assembly	22	Third wall	2113
First containing groove	221	The fourth wall	2114
				Second containing groove	222	Connecting pipe	23

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are merely used to more clearly illustrate the technical solutions of the present application, and therefore are only examples, and the protection scope of the present application is not limited thereby.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, the technical terms "first", "second", and the like are used only for distinguishing different objects, and are not to be construed as indicating or implying relative importance or implicitly indicating the number, specific order, or primary-secondary relationship of the technical features indicated. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is only one kind of association relationship describing an associated object, and means that three relationships may exist, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" refers to two or more (including two), and similarly, "plural sets" refers to two or more (including two), and "plural pieces" refers to two or more (including two).

In the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the directions or positional relationships indicated in the drawings, and are only for convenience of description of the embodiments of the present application and for simplicity of description, but do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

At present, the application of the power battery is more and more extensive from the development of market situation. The power battery is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles and electric automobiles, and a plurality of fields such as military equipment and aerospace. With the continuous expansion of the application field of the power battery, the market demand is also continuously expanding.

In the case of power batteries, the inventors have noted that, in most of the power batteries, the input and output of electric energy are performed by chemical reactions. For a power battery, during the operation of the power battery, the temperature inside the power battery is easy to change, and the power battery generally includes a plurality of groups of battery cells. When the temperatures of the battery cores inside the power battery are unequal, the maximum input power and the maximum output power of the power battery are set according to the battery core with the lowest temperature. The reason for this is that the chemical reaction speed inside the cell with the lowest temperature is lower than the chemical reaction speed inside the cell with the higher relative temperature, so that the input power and the output power of the cell with the lowest temperature are relatively low, and in order to prevent the power battery from being damaged due to the failure to sum up sufficient electric energy, the maximum input power and the maximum output power of the power battery are set according to the cell with the lowest temperature.

The battery disclosed in the embodiment of the present application can be used in electric devices such as vehicles, ships or aircrafts, but not limited thereto. The power supply system with the battery, the battery and the like which form the electric device can be used, so that the uneven temperature of the battery cell inside the battery is relieved, and the current situation that the maximum input power and the maximum output power of the battery are limited is facilitated.

The embodiment of the application provides an electric device using a battery as a power supply, wherein the electric device can be but is not limited to a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric automobile, a ship, a spacecraft and the like. The electric toy may include a stationary or mobile electric toy, such as a game machine, an electric car toy, an electric ship toy, an electric airplane toy, and the like, and the spacecraft may include an airplane, a rocket, a space shuttle, a spacecraft, and the like.

For convenience of description, the following embodiments take an example in which a power consuming apparatus according to an embodiment of the present application is a vehicle 1000.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1000 according to some embodiments of the present disclosure. The vehicle 1000 may be a fuel automobile, a gas automobile, or a new energy automobile, and the new energy automobile may be a pure electric automobile, a hybrid electric automobile, or a range-extended automobile, etc. The battery 100 is provided inside the vehicle 1000, and the battery 100 may be provided at the bottom or the head or the tail of the vehicle 1000. The battery 100 may be used for power supply of the vehicle 1000, and for example, the battery 100 may serve as an operation power source of the vehicle 1000. The vehicle 1000 may further include a controller 200 and a motor 300, the controller 200 being configured to control the battery 100 to supply power to the motor 300, for example, for starting, navigation, and operational power requirements while the vehicle 1000 is traveling.

In some embodiments of the present application, the battery 100 may be used not only as an operating power source of the vehicle 1000, but also as a driving power source of the vehicle 1000, instead of or in part of fuel or natural gas, to provide driving power for the vehicle 1000.

Referring to fig. 2 and fig. 3, a perspective view of the battery 100 according to one embodiment of the present application and an exploded view of the battery 100 according to one embodiment of the present application are respectively shown. The battery 100 includes a housing 10, a heat exchange module 20, and a cell module 30. The housing 10 is provided with a cavity 11, the heat exchange module 20 includes a first heat exchange assembly 21, and the first heat exchange assembly 21 and the battery cell module 30 are both disposed in the cavity 11. The battery cell module 30 includes a plurality of battery cells 31, and battery cell 31 and first heat exchange assembly 21 butt, the direction X that first heat exchange assembly 21 perpendicular to battery cell 31 superpose set up. It is to be understood that, referring to fig. 3, the direction perpendicular to the stacking X of the battery cells 31 in the embodiment of the present application is the Z direction, and the Y direction is the extending direction of the battery cells 31.

Through the design, when the plurality of battery cells 31 are stacked and accommodated in the accommodating cavity 11, in order to make the temperatures of the two adjacent battery cells 31 the same, the first heat exchange assembly 21 is arranged perpendicular to the stacking direction X of the battery cells 31, and the first heat exchange assembly 21 abuts against the battery cells 31, so that the two adjacent battery cells 31 abut against the same first heat exchange assembly 21, and the temperatures of each battery cell 31 are equal. So as to alleviate the uneven temperature of the battery cell 31 inside the battery 100, which results in the limitation of the maximum input power and the maximum output power of the battery 100.

In the embodiment of the present application, the plurality of battery cells 31 are arranged in an array, and a gap 40 is formed between any two adjacent rows of battery cells 31. Through setting up clearance 40, provide the space of installation for first heat exchange assembly 21, under the great condition of temperature difference at two adjacent electric cores 31, can prevent on the one hand that two adjacent electric cores 31 direct contact from taking place danger, on the other hand prevents between two adjacent electric cores 31, influences chemical reaction rate each other.

Referring to fig. 2 to 4, a perspective view of the battery 100 provided in an embodiment of the present application, an exploded view of the battery 100 provided in an embodiment of the present application, and a cross-sectional view of the plane a of fig. 2 provided in the present application are respectively shown for the first heat exchange assembly 21. Heat exchange module 20 further includes a connection pipe 23, the connection pipe 23 is disposed in the accommodating cavity 11, and the connection pipe 23 extends along the direction X of stacking of the battery cells 31, the first heat exchange assembly 21 includes a plurality of heat dissipation pipes 211 and a heat exchange medium (not shown in the figure), the plurality of heat dissipation pipes 211 are respectively communicated with the connection pipe 23, the heat exchange medium is filled in the plurality of heat dissipation pipes 211, and the plurality of heat dissipation pipes 211 are arranged at intervals, a heat dissipation pipe 211 is inserted into a gap 40, and the heat dissipation pipe 211 is respectively abutted to two columns of battery cells 31 at two sides of the gap 40.

Through being connected a plurality of cooling tubes 211 with same connecting pipe 23, so that the temperature in each cooling tube all equals with the temperature in the connecting pipe 23, thereby make the temperature of each cooling tube 211 equal, further make the electric core 31 with the cooling tube 211 butt, accomplish the heat exchange back with the cooling tube 211, the temperature that electric core 31 is under stable state equals, so as to reach the inside electric core 31 temperature of battery 100 and equal, improve the purpose of maximum input power and maximum output power. And, the heat exchange efficiency of the first heat exchange assembly 21 is improved by disposing the heat exchange medium in the heat dissipation pipe 211. Alternatively, the heat exchange medium includes, but is not limited to, water, glycol, and the like. Alternatively, the connection pipe 23 may be in communication with a heat exchanger circulation circuit (not shown) of an air conditioning system of the vehicle 1000, the heat exchanger circulation circuit being formed of two parallel branches (not shown), one for heat exchange of the vehicle interior space and the other for heat exchange of the battery 100, thereby improving heat exchange efficiency in the battery 100.

Please refer to fig. 5 for the heat dissipating pipe 211, which illustrates an enlarged view of a portion B of fig. 4 provided in the present application, in combination with other figures. The heat dissipation tube 211 comprises a first wall 2111, a first wall 2112 and a third wall 2113, one end of each of the first wall 2112 and the third wall 2113 is connected to the first wall 2111, and the first wall 2112 and the third wall 2113 of the heat dissipation tube 211 are respectively abutted to two rows of cells 31 at two sides of the corresponding gap 40. The two rows of battery cells 31 abutting against the first wall 2112 and the third wall 2113 exchange heat with the heat exchange medium in the same radiating pipe 211, so that the temperatures of the two rows of battery cells 31 are equal.

In some embodiments, please refer to fig. 6 and 7, which respectively illustrate a cross-sectional view of another embodiment of fig. 2 provided herein and an enlarged view of portion C of fig. 6 provided herein. The other end of the first wall 2112 and the other end of the third wall 2113 are connected. The radiating pipe 211 has a triangular shape in cross section, wherein the radiating pipe 211 has a cross section perpendicular to the second wall 2121 and the third wall 2113. The heat pipe 211 of this design is easy to install by simply installing the heat pipe 211 in the gap 40.

In some embodiments, please refer to FIG. 5 in combination with other figures. The radiating pipe 211 includes a fourth wall 2114, and the other end of the first wall 2112 and the other end of the third wall 2113 are connected to the fourth wall 2114, respectively. The shapes of the first wall 2112 and the third wall 2113 are matched with the shape of the cell 31, and the first wall 2112 and the third wall 2113 of the radiating pipe 211 are respectively attached to two rows of cells 31 on two sides of the corresponding gap 40. The radiating pipe 211 of this kind of design can be inseparabler with the laminating of electricity core 31 to increase radiating pipe 211 and the heat transfer area of electricity core 31, improve heat exchange efficiency.

In this application embodiment, the heat dissipation pipe 211 is prepared by plastic, so that when the temperature of the battery cell 31 is too high, the battery cell 31 melts the heat dissipation pipe 211, so that the heat exchange medium in the heat dissipation pipe 211 leaks, and the heat exchange medium is directly attached to the surface of the battery cell 31, and further performs heat exchange. And since the battery 100 includes the case 10, the heat exchange medium does not pollute the environment by leaking to the outside of the battery 100. Alternatively, the heat dissipation pipe 211 may also be made of metal, and the physical properties of the metal itself are utilized, so as to improve the heat exchange efficiency.

In the embodiments of the present application, please refer to fig. 5 in combination with other figures. The heat exchange module 20 further comprises a second heat exchange assembly 22. The second heat exchange assembly 22 is disposed in the cavity 11, the second heat exchange assembly 22 is parallel to the stacking direction X of the battery cells 31, and the battery cells 31 are abutted to the second heat exchange assembly 22. That is, the second heat exchange assembly 22 is arranged in the direction X parallel to the stacking of the battery cells 31, and the first heat exchange assembly 21 is arranged in the direction X perpendicular to the stacking of the battery cells 31, so that each battery cell 31 is abutted against the first heat exchange assembly 21 and the second heat exchange assembly 22, and heat exchange between the battery cell 31 and the first heat exchange assembly 21 and the second heat exchange assembly 22 is facilitated.

In the embodiments of the present application, please refer to fig. 5 in combination with other figures. The second heat exchange assembly 22 is wavy, a plurality of first accommodating grooves 221 are formed on one surface of the second heat exchange assembly 22 away from the first heat exchange assembly 21, a plurality of second accommodating grooves 222 are formed on the other surface of the second heat exchange assembly 22 facing the first heat exchange assembly 21, one row of battery cells 31 are accommodated in one first accommodating groove 221, and the other row of battery cells 31 are accommodated in one second accommodating groove 222. Alternatively, the bottoms of the first receiving groove 221 and the second receiving groove 222 may be attached to the battery cell 31, for example, when the battery cell 31 is a cylindrical battery cell, the cross sections of the groove bodies of the first receiving groove 221 and the second receiving groove 222 are arc-shaped, and the cross sections of the groove bodies of the first receiving groove 221 and the second receiving groove 222 are perpendicular to the axial direction of the battery cell 31. Due to the design, on one hand, the heat exchange area of the second heat exchange assembly 22 on the battery cell 31 is increased, so that the heat exchange efficiency is improved; on the other hand, the wavy second heat exchange assembly 22 is provided with the first accommodating groove 221 and the second accommodating groove 222, so that the battery core 31 is favorably mounted, the structural strength inside the battery 100 is increased, the influence of vibration on the battery core 31 is reduced, and the stability of the battery 100 is improved. It can be understood that, in some embodiments of the present application, the first heat exchange assembly 21 is disposed between two rows of the battery cells 31 in the first receiving groove 221 and the second receiving groove 222, and is perpendicular to the stacking direction X of the battery cells 31, so as to improve the heat exchange efficiency.

According to some embodiments of the present application, the present application further provides an electrical device, including the battery 100 according to any one of the above aspects, and the battery 100 is used for providing electrical energy for the electrical device.

The powered device may be any of the aforementioned devices or systems that employ battery 100.

According to some embodiments of the present application, referring to fig. 2 to 5, the present application provides a battery 100, which includes a housing 10, a heat exchange module 20, and a cell module 30, wherein the housing 10 is provided with a cavity 11. The heat exchange module 20 includes a first heat exchange assembly 21, and the first heat exchange assembly 21 is disposed in the cavity 11. The battery cell module 30 is disposed in the accommodating cavity 11, the battery cell module 30 includes a plurality of battery cells 31, the battery cells 31 abut against the first heat exchange assembly 21, and the first heat exchange assembly 21 is disposed perpendicular to the direction X of stacking the battery cells 31. The first heat exchange assembly 21 includes a connection pipe 23, a plurality of heat dissipation pipes 211 connected to the connection pipe 23, and a heat exchange medium filled in the heat dissipation pipes 211. In the embodiment of the present application, the first heat exchanging assembly 21 includes two connection pipes 23, and both ends of each heat dissipating pipe 211 are connected to the two connection pipes 23. Wherein the radiating pipe 211 includes a first wall 2111, a first wall 2112, a third wall 2113 and a fourth wall 2114, one end of the first wall 2112 and one end of the third wall 2113 are connected to the first wall 2111, respectively, and the other end of the first wall 2112 and the other end of the third wall 2113 are connected to the fourth wall 2114, respectively. The shapes of the first wall 2112 and the third wall 2113 are matched with the shape of the cell 31, and the first wall 2112 and the third wall 2113 in one radiating pipe 211 are respectively attached to two columns of cells 31 on two sides of the corresponding gap 40. And the heat exchange module 20 further includes a second heat exchange assembly 22 in a wavy shape, so that the second heat exchange assembly 22 is arranged in the direction X parallel to the stacking of the battery cells 31, and the first heat exchange assembly 21 is arranged in the direction X perpendicular to the stacking of the battery cells 31, so that each battery cell 31 is abutted against the first heat exchange assembly 21 and the second heat exchange assembly 22, and heat exchange between the battery cell 31 and the first heat exchange assembly 21 and the second heat exchange assembly 22 is facilitated. Meanwhile, another row of battery cells 31 is further arranged on one side of the second heat exchange assembly 22 away from the first heat exchange assembly 21. Therefore, the battery cells 31 on both sides of the second heat exchange assembly 22 exchange heat with the second heat exchange assembly 22, so that the temperatures of the two columns of battery cells 31 are equal, and the limitation of the temperature on the maximum input power and the maximum output power of the battery 100 is reduced.

According to further embodiments of the present application, reference is made to FIG. 4 in combination with other figures. In the case of the foregoing embodiment, the first heat exchange assemblies 21 may be disposed on two sides of the second heat exchange assembly 22, so that the battery cells 31 located on two sides of the second heat exchange assembly 22 may be abutted to at least one first heat exchange assembly 21 and at least one second heat exchange assembly 22, so that the temperature of each battery cell 31 is equal, and the limitation of the temperature on the maximum input power and the maximum output power of the battery 100 is reduced.

According to further embodiments of the present application, reference is made to fig. 6-7, in combination with other figures. The radiating pipe 211 has a triangular cross section, and the cross section of the radiating pipe 211 is perpendicular to the first wall 2112 and the third wall 2113, so that the radiating pipe 211 is easy to install, and the temperature of each cell 31 can be equalized, thereby reducing the influence of the temperature on the maximum input power and the maximum input power of the battery 100.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the spirit of the embodiments of the present application, and they should be construed as being included in the scope of the claims and description of the present application. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims. Limitation of maximum output power.

Claims

1. A battery, comprising:

a housing provided with a cavity;

the heat exchange module comprises a first heat exchange assembly, and the first heat exchange assembly is arranged in the cavity; and

the battery cell module is arranged in the containing cavity and comprises a plurality of battery cells, the battery cells are abutted to the first heat exchange assemblies, and the first heat exchange assemblies are perpendicular to the direction of stacking the battery cells.

2. The battery according to claim 1,

a plurality of electric cores are the array setting, and arbitrary adjacent two lines have the clearance between the electric core.

3. The battery according to claim 2,

the heat exchange module further comprises a connecting pipe, and the connecting pipe is arranged in the accommodating cavity;

the first heat exchange assembly comprises a plurality of radiating pipes and a heat exchange medium, the radiating pipes are communicated with the connecting pipe respectively, the heat exchange medium is filled in the radiating pipes, the radiating pipes are arranged at intervals, one radiating pipe is inserted in one gap, and the radiating pipes are respectively abutted to the two columns on two sides of the gap.

4. The battery according to claim 3,

the cooling tube includes first wall, second wall and third wall, the one end of second wall and third wall respectively with first wall is connected, one second wall and third wall in the cooling tube respectively the butt in corresponding two of clearance both sides are listed as the electricity core.

5. The battery according to claim 4,

the other end of the second wall is connected with the other end of the third wall;

the shape of the cross section of the radiating pipe is triangular, and the cross section of the radiating pipe is perpendicular to the cross sections of the second wall and the third wall.

6. The battery according to claim 4,

the radiating pipe comprises a fourth wall, and the other end of the second wall and the other end of the third wall are respectively connected with the fourth wall;

the shape of the second wall and the shape of the third wall are matched with the shape of the battery cell, and one of the radiating pipes is provided with the second wall and the third wall which are respectively attached to the two columns of the two sides of the gap.

7. The battery as claimed in any one of claims 3-6, wherein the heat dissipating tube is made of plastic.

8. The battery according to any one of claims 1 to 6,

the heat exchange assembly further comprises a second heat exchange assembly, the second heat exchange assembly is arranged in the containing cavity, the second heat exchange assembly is parallel to the direction in which the battery cores are stacked, and the battery cores are abutted to the second heat exchange assembly.

9. The battery of claim 8, wherein the second heat exchange assembly is wavy, a plurality of first receiving grooves are formed on a surface of the second heat exchange assembly facing away from the first heat exchange assembly, a plurality of second receiving grooves are formed on another surface of the second heat exchange assembly facing toward the first heat exchange assembly, one row of the cells is received in one of the first receiving grooves, and another row of the cells is received in one of the second receiving grooves.

10. An electrical consumer, characterized in that it comprises a battery according to any one of claims 1-9.