CN110518163B - Battery module - Google Patents

Battery module Download PDF

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Publication number
CN110518163B
CN110518163B CN201910746247.0A CN201910746247A CN110518163B CN 110518163 B CN110518163 B CN 110518163B CN 201910746247 A CN201910746247 A CN 201910746247A CN 110518163 B CN110518163 B CN 110518163B
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CN
China
Prior art keywords
battery
heat
battery module
liquid cooling
heat transfer
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Active
Application number
CN201910746247.0A
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Chinese (zh)
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CN110518163A (en
Inventor
肖芳志
刘丽荣
J.W.江
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Farasis Energy Ganzhou Co Ltd
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Farasis Energy Ganzhou Co Ltd
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Priority to CN201910746247.0A priority Critical patent/CN110518163B/en
Publication of CN110518163A publication Critical patent/CN110518163A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or plates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a battery module, which comprises at least one main battery module (1), a liquid cooling part (2) positioned at the bottom of the main battery module (1) and a heat exchange assembly (3) positioned at the end part of the main battery module (1); wherein, battery main module (1) include electric core (11) and with heat transfer unit (12) of electric core contact, heat transfer unit (12) have with liquid cooling unit (2) contact the end heat transfer portion and with heat exchange assemblies (3) contact the side heat transfer portion with through end heat transfer portion with the side heat transfer portion will the heat of electric core transmit respectively extremely liquid cooling unit (2) with heat exchange assemblies (3). The battery module provided by the invention can effectively improve the heat dissipation efficiency and the temperature uniformity of the battery body, and the integrated heat exchange structure of the liquid cooling component and the heat exchange component reduces the weight of the module, improves the energy density of the battery module and is beneficial to light-weight production.

Description

Battery module
Technical Field
The invention relates to the technical field of batteries, in particular to a battery module.
Background
With the increasingly wide application of new energy automobiles, the requirements of the endurance mileage of the new energy automobiles and the energy density of a battery system are higher, the accompanied great heat productivity of batteries and the problem of high temperature rise are more and more concerned;
the power battery is used as a core component of a new energy automobile, has high sensitivity to temperature change, greatly shortens the service life of the battery when the temperature is too high or too low, influences the normal charge and discharge of the battery, and brings potential safety hazards of fire and explosion; meanwhile, the inconsistency among different batteries can greatly reduce the overall use performance of the battery system;
therefore, the power battery needs to be heated and cooled in an extreme environment, so that the working temperature of the battery is maintained within a certain range, and meanwhile, the temperature difference of a battery system is very necessary to be controlled;
at present, the main heat management mode is passive natural cooling, air cooling and liquid cooling, for square and laminate polymer battery module, the liquid cooling adopts bottom liquid cooling structure mostly at present, through set up independent liquid cooling part structure in the module bottom, realizes the heating and the cooling of battery, because heat conduction path is single and the distance is longer, consequently has the radiating efficiency limited, causes the problem that the difference in temperature is big on the battery heat transfer path simultaneously.
Disclosure of Invention
The invention aims to solve the problems that the heat dissipation efficiency of a battery is limited and the temperature difference on a heat transfer path of the battery is large in the prior art, and simultaneously solve the problems that a battery module is heavy and the energy density is relatively low in the prior art.
In order to achieve the above object, an aspect of the present invention provides a battery module, which includes at least one main battery module, a liquid cooling member located at the bottom of the main battery module, and a heat exchange assembly located at an end of the at least one main battery module;
wherein, the battery main module include electric core and with the heat transfer unit of electric core contact, heat transfer unit have with the bottom heat transfer portion of liquid cooling unit contact and with the side heat transfer portion of heat exchange assembly contact is with through bottom heat transfer portion with the side heat transfer portion will the heat of electric core transmits respectively to the liquid cooling unit with heat exchange assembly.
Preferably, the heat transfer component the bottom heat transfer portion is near the bottom bending portion that the bottom position of liquid cooling part set up, the lateral part is near the side bending portion that heat exchange assembly lateral part position set up.
Preferably, the battery cells are in a square structure, the battery main module includes a plurality of stacked battery cells, and the heat transfer components are respectively disposed between adjacent battery cells;
the heat transfer part is including pasting and leaning on mainboard body on the electric core and the both sides bending type of mainboard body becomes the side kink with the bottom bending type of mainboard body becomes end kink, the side buckling part cladding be in on the both sides side of electric core and respectively with both sides the heat exchange assemblies contact, end kink cladding be in on the bottom side of electric core and with the liquid cooling part contact.
Preferably, the heat exchange assembly is in thermally conductive contact with the liquid cooling member.
Preferably, the heat exchange assembly and the liquid cooling part are fixed together by welding.
Preferably, the heat exchange assembly comprises a section bar with an inner cavity and a heat conducting core body located in the inner cavity, and the heat conducting core body is in contact with the liquid cooling component.
Preferably, a side heat conduction pad is arranged between the heat exchange assembly and the battery main module; and/or a bottom heat conducting pad is arranged between the liquid cooling part and the battery main module.
Preferably, the side heat conduction pads and the bottom heat conduction pad are respectively heat conduction paste.
Preferably, the plurality of battery main modules are arranged side by side, and the heat exchange assemblies are respectively arranged at two ends of the plurality of battery main modules and between the battery main modules.
Preferably, side plates are respectively arranged on two opposite sides of the plurality of battery main modules which are placed side by side, and each battery main module further comprises an elastic pad which is in contact with the side plates.
According to the technical scheme provided by the invention, heat emitted by the battery core of the battery can be transferred to the heat transfer part, the heat transfer part transfers the heat to the hot cold plate through the bottom heat transfer part at the bottom and to the heat exchange component through the side heat transfer part at the side part, and the battery core is cooled and radiated through multiple paths of the liquid cooling part and the heat exchange component, so that the radiating efficiency can be effectively improved, and the temperature uniformity of the battery body is improved. On the other hand, the heat exchange assembly and the liquid cooling part are arranged into an integral part and are used as structural parts of the heat exchange part and the module, so that the weight of the module can be reduced, the energy density of the module is increased, and light-weight production is realized.
Drawings
Fig. 1 is a schematic structural view illustrating a battery module according to an embodiment of the present invention in a disassembled state;
FIG. 2 is a schematic exploded view of FIG. 1 from another perspective;
FIG. 3 is a schematic diagram of a liquid cooling unit in a battery module;
FIG. 4 is a schematic view of the liquid cooling unit viewed from another direction;
FIG. 5 is a schematic view of a heat transfer member;
fig. 6 is a schematic structural view of the heat exchange assembly in a disassembled state.
Description of the reference numerals
1-a battery primary module; 11-electric core; 12-a heat transfer component; 13-an elastic pad; 2-liquid cooling means; 21-water inlet pipe; 22-a water outlet pipe; 3-a heat exchange assembly; 31-section bar; 311-an internal cavity; 32-a thermally conductive core; 4-bottom thermally conductive pad; 5-side heat conducting pad; 6-side plate; 7-top plate.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "axial", "radial", "circumferential", and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description only, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. The term "inside" and "outside" refer to the inside and the outside of the contour of each member itself.
The invention provides a battery module, as shown in fig. 1 and fig. 2, the battery module comprises at least one main battery module 1, a liquid cooling part 2 located at the bottom of the main battery module 1, and a heat exchange assembly 3 located at the end of the at least one main battery module 1;
wherein, battery main module 1 include electric core 11 and with the heat transfer unit 12 of 11 contacts of electric core, heat transfer unit 12 have with the bottom heat transfer portion of 2 contacts of liquid cooling part and with the side heat transfer portion of 3 contacts of heat exchange assemblies is with passing through bottom heat transfer portion with the side heat transfer portion will the heat of electric core 11 transmits respectively to liquid cooling part 2 with heat exchange assemblies 3. The liquid cooling unit 2 has a structure in which a passage for circulating a cooling liquid is provided, and the heat transferred from the battery cell 11 to the liquid cooling unit 2 can be taken away by the circulation of the cooling liquid.
Preferably, the bottom heat transfer portion of the heat transfer component 12 may be a bottom bending portion 123 disposed at a position close to the bottom of the liquid cooling component 2, and the side heat transfer portion is a side bending portion 122 disposed at a position close to the side of the heat exchange component 3, and the bottom bending portion 123 and the side bending portion 122 abut against the liquid cooling component 2 and the heat exchange component 3 respectively for heat transfer.
According to the technical scheme provided by the invention, a larger part of heat emitted by the battery core 1 is firstly transferred to the heat transfer part 12, the heat transfer part 12 transfers the heat to the liquid cooling part 2 through the bottom heat transfer part at the bottom and transfers the heat to the heat exchange component 3 through the side heat transfer part at the side part, and the battery core is cooled and radiated through multiple paths of the liquid cooling part 2 and the heat exchange component 3, so that the radiating efficiency can be effectively improved, and the temperature uniformity of the battery body is improved.
The technical solution provided by the present invention is described in detail by the following embodiments.
As shown in fig. 1 and 2, a plurality of battery main modules 1 are disposed in the battery module, the plurality of battery main modules 1 are disposed side by side, and the heat exchange assemblies 3 are disposed between two ends of the plurality of battery main modules 1 and between the battery main modules 1.
Of course, the technical solution of the present invention also includes the case of one battery main module, and includes the case where the heat exchange assembly 3 is provided only at one end portion of the battery main module 1.
In this embodiment, the battery cells 11 have a square structure, each battery main module 1 includes a plurality of stacked battery cells 11, and heat transfer members 12 are respectively disposed between adjacent battery cells 11. Further, the battery cell 11 may be a metal-clad battery cell, and may also be a soft-package battery cell.
Preferably, the heat transfer component 12 includes a main board body 121 attached to the battery cell 11, side bending portions 122 formed by bending two sides of the main board body 121, and bottom bending portions 123 formed by bending the bottom of the main board body 121, the side bending portions 122 are coated on two side surfaces of the battery cell 11 and are respectively in contact with the heat exchange assemblies 3 on two sides, and the bottom bending portions 123 are coated on a bottom side surface of the battery cell 11 and are in contact with the liquid cooling component 2.
Preferably, the heat transfer member 12 may be made of an aluminum plate, and the aluminum plate is bent and coated on the battery core 1. The aluminum plate is a high thermal conductive member to better conduct heat, and the heat conducting member 12 may be made of other materials with better thermal conductivity.
It will be understood by those skilled in the art that the heat transfer member 12 is not limited to the structure of the present embodiment, and may vary with the structure of the battery cell 11. For example, when the battery cell 11 has a cylindrical structure, the heat transfer member 12 may be disposed to cover the cylindrical structure and have a bottom heat transfer portion and a side heat transfer portion. The structure of the heat transfer member 12 is not limited as long as it can contact the battery cell 11 to transfer the heat of the battery cell 11 to the heat exchange assembly 3 and the liquid cooling member 2.
In this embodiment, the liquid cooling unit 2 has a specific structure as shown in fig. 3 and 4, one side of the liquid cooling unit 2 contacting the battery main module 1 is a plane, and both ends of the liquid cooling unit 2 are respectively provided with a water inlet pipe 21 and a water outlet pipe 22, so that the cooling liquid enters from the water inlet pipe 21 and flows out from the water outlet pipe 22, and the heat of the battery is taken away by the flow of the cooling liquid.
In this embodiment, heat exchange assembly 3 and liquid cooling part 2 heat conduction contact are in order to transmit heat transfer of heat exchange assembly 3 to liquid cooling part 2, are taken away by the inside coolant liquid of liquid cooling part 2.
The heat exchange assembly 3 may be a component capable of conducting heat in various forms.
In this embodiment, the heat exchanging assembly 3 preferably adopts a structure as shown in fig. 6, the heat exchanging assembly 3 includes a section bar 31 having an internal cavity 311 and a heat conducting core 32 located in the internal cavity 311, the heat conducting core 32 contacts with the liquid cooling component 2, and heat is transferred to the liquid cooling component 2 at the bottom through the heat conducting core 32 with high heat conductivity coefficient.
In addition, for better heat exchange, a side heat conducting pad 5 can be arranged between the heat exchange assembly 3 and the battery main module 1, and a bottom heat conducting pad 4 is arranged between the liquid cooling part 2 and the battery main module 1. Preferably, the side heat conduction pads 5 and the bottom heat conduction pad 4 are both heat conduction pastes, through which the heat of the heat transfer part 12 can be better transferred to the heat exchange assembly 3 and the liquid cooling part 2. Of course, the side thermal pads 5 and the bottom thermal pad 4 may be made of other materials that can transmit heat well.
In this embodiment, the heat exchange assembly 3 and the liquid cooling component 2 can be fixed together by welding to form an integrated heat exchange structure of the battery module.
This liquid cooling part 2 and heat exchange assemblies 3 of integral type also regard as the module casing structure of battery module, as shown in fig. 1, liquid cooling part 2 is as the bottom casing of battery module, and the heat exchange assemblies 3 at both ends are as the tip casing of battery module.
Make liquid cooling part 2 and heat exchange component 3 integrated an organic whole not only as heat transfer part but also as module casing structure spare, can make module weight reduction, improve module energy density, realize lightweight production.
As shown in fig. 1 and 2, in the present embodiment, side plates 6 are provided on opposite sides of the plurality of main battery modules 1 arranged side by side, respectively, and a top plate 7 is provided on the top thereof, and the liquid cooling member 2, the heat exchange unit 3, the side plates 6, and the top plate 7 together form a housing member of the battery module.
Preferably, each of the battery main modules 1 further includes an elastic pad 13 disposed in contact with the side plate 6, and the elastic pad 13 elastically functions between the battery main module 1 and the side plate 6.
The following describes a specific process of heat exchange of the battery module provided by this embodiment:
battery cooling method:
when the battery module is charged and discharged, on one hand, heat generated by the battery cell 11 is transferred to the heat exchange component 3 on the side surface through the side bending part 122 of the heat transfer component 12 and the side heat conduction pad 5, one part of the heat exchange component 3 is dissipated through natural cooling, and the other part of the heat is transferred to the liquid cooling component 2 at the bottom through the heat conduction core 32 with high heat conductivity coefficient; on the other hand, the heat generated by the battery cell 11 is transferred to the liquid cooling component 2 at the bottom through the bottom bending part 123 of the heat conducting component 12 and the bottom heat conducting pad 4, and then the heat is taken away through the flow of cold fluid in the liquid cooling component 2;
a battery heating mode:
under the condition of low temperature, external hot fluid enters a liquid cooling channel of the bottom liquid cooling part 2 to transfer heat to the liquid cooling part 2, and on one hand, the liquid cooling part 2 transfers the heat to a bottom bending part 123 of the heat transfer part 12 through the bottom heat conducting pad 4 and then transfers the heat to the battery cell 11 to heat the battery; on the other hand, the liquid cooling part 2 transfers heat to the heat conducting core 32 of the heat exchange assembly 3, the heat conducting core 32 rapidly transfers heat to the heat pipe assembly 3, and then the electric core 11 is heated through the side heat conducting pad 5 and the heat transfer part 12;
according to the battery module provided by the invention, the integrated liquid cooling part 2 and the heat exchange component 3 are used for carrying out multi-path simultaneous heat exchange on the battery module from the bottom surface and the side surface, so that the heat exchange path is greatly shortened, the rapid and efficient heat exchange is realized, and the temperature uniformity of a single battery cell is improved;
in addition, the integrated structure of the liquid cooling component and the heat exchange component serves as a module heat exchange structure and a module external shell structure, so that the number of module parts is greatly reduced, the weight of the module is reduced, and the energy density of the module is provided.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, numerous simple modifications can be made to the technical solution of the invention, including combinations of the individual specific technical features in any suitable way. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should also be considered as disclosed in the present invention, and all such modifications and combinations are intended to be included within the scope of the present invention.

Claims (8)

1. The battery module is characterized by comprising at least one main battery module (1), a liquid cooling part (2) positioned at the bottom of the main battery module (1), and a heat exchange assembly (3) positioned at the end part of the at least one main battery module (1);
the main battery module (1) comprises a battery core (11) and a heat transfer component (12) in contact with the battery core (11), wherein the heat transfer component (12) is provided with a bottom heat transfer part in contact with the liquid cooling component (2) and a side heat transfer part in contact with the heat exchange assembly (3) so as to transfer heat of the battery core (11) to the liquid cooling component (2) and the heat exchange assembly (3) through the bottom heat transfer part and the side heat transfer part respectively;
heat exchange assembly (3) including section bar (31) that have internal cavity (311) and be located heat conduction core (32) in internal cavity (311), heat conduction core (32) with liquid cooling part (2) contact, heat exchange assembly (3) with liquid cooling part (2) are integrated an organic whole.
2. The battery module according to claim 1, wherein the bottom heat transfer portion of the heat transfer member (12) is a bottom bent portion (123) provided at a position near the bottom of the liquid cooling member (2), and the side heat transfer portion is a side bent portion (122) provided at a position near the side of the heat exchange member (3).
3. The battery module according to claim 2, wherein the battery cells (11) are square, the main battery module (1) comprises a plurality of stacked battery cells (11), and the heat transfer members (12) are respectively disposed between adjacent battery cells (11);
heat transfer part (12) including paste and paste mainboard body (121) on electric core (11) and bend and form in the both sides of mainboard body (121) side kink (122) with the bottom bending type of mainboard body (121) end kink (123), side kink (122) cladding is in on the both sides side of electric core (11) and respectively with both sides heat exchange assemblies (3) contact, end kink (123) cladding is in on the bottom side of electric core (11) and with liquid cooling part (2) contact.
4. The battery module according to claim 1, wherein the heat exchange member (3) and the liquid cooling part (2) are fixed together by welding.
5. The battery module according to any one of claims 1-4, characterized in that a side heat conduction pad (5) is arranged between the heat exchange assembly (3) and the main battery module (1); and/or a bottom heat conducting pad (4) is arranged between the liquid cooling part (2) and the battery main module (1).
6. The battery module according to claim 5, wherein the side thermal pads (5) and the bottom thermal pad (4) are each a thermal paste.
7. The battery module according to any one of claims 1 to 4, wherein a plurality of the battery main modules (1) are provided, the plurality of the battery main modules (1) are arranged side by side, and the heat exchange assemblies (3) are respectively provided between both ends of the plurality of the battery main modules (1) arranged side by side and the battery main modules (1).
8. The battery module according to claim 7, wherein side plates (6) are respectively disposed on opposite sides of the plurality of main battery modules (1) arranged side by side, and each main battery module (1) further includes an elastic pad (13) disposed in contact with the side plates (6).
CN201910746247.0A 2019-08-13 2019-08-13 Battery module Active CN110518163B (en)

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CN201910746247.0A CN110518163B (en) 2019-08-13 2019-08-13 Battery module

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CN110518163B true CN110518163B (en) 2022-07-19

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CN111540977B (en) * 2020-04-21 2022-04-22 华南理工大学 Liquid cooling type thermal management system for power battery and blowing type aluminum soaking plate
CN113036265B (en) * 2021-03-03 2022-06-17 合肥国轩高科动力能源有限公司 Battery module with heat pipe

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CN208589513U (en) * 2018-07-27 2019-03-08 北京新能源汽车股份有限公司 Battery module

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EP3340365B1 (en) * 2015-09-21 2020-04-22 LG Chem, Ltd. Battery module including array of cooling fins having different thicknesses
CN106410321A (en) * 2016-10-21 2017-02-15 江苏理工学院 Battery pack heat management device
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CN206758615U (en) * 2017-04-27 2017-12-15 北京新能源汽车股份有限公司 Battery module, power battery and have its electric vehicle
CN207542358U (en) * 2017-08-14 2018-06-26 智车优行科技（上海）有限公司 The cold battery modules of liquid and electric vehicle
CN108258167A (en) * 2018-03-08 2018-07-06 汽-大众汽车有限公司 A kind of battery modules
CN108847511A (en) * 2018-06-13 2018-11-20 清华大学 A kind of integrated heat exchange structure based on battery modules
CN208589513U (en) * 2018-07-27 2019-03-08 北京新能源汽车股份有限公司 Battery module

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