CN107425154B - battery module - Google Patents
battery module Download PDFInfo
- Publication number
- CN107425154B CN107425154B CN201610344353.2A CN201610344353A CN107425154B CN 107425154 B CN107425154 B CN 107425154B CN 201610344353 A CN201610344353 A CN 201610344353A CN 107425154 B CN107425154 B CN 107425154B
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- heat
- battery
- battery module
- battery unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 65
- 230000005855 radiation Effects 0.000 claims 2
- 238000005452 bending Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- 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
- H01M10/62—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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
-
- 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
- H01M10/6555—Rods or plates arranged between the cells
-
- 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
Landscapes
- 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 present invention provides a battery module, which includes: a heat dissipation plate; the battery unit is fixed on the heat dissipation plate at least along one end face of the arrangement direction; and two fixing frames for clamping the heat dissipation plate and the battery unit between the two fixing frames. The heat dissipation plate includes: the heat conducting part is contacted with the end face of the corresponding battery unit and is used for fixing the battery unit, and the heat conducting part is clamped between the two fixing frames; and a heat dissipation part bent from an edge of the heat conduction part in the width direction so that heat of the battery cell is dissipated outward through the heat conduction part and the heat dissipation part. Because the end face of the battery unit is a large face, and the heat of the battery unit is transferred to the heat conducting part through the end face and then is outwards dissipated through the heat conducting part and the heat dissipating part, the heat dissipating efficiency of the battery module is improved, and the thermal runaway of the battery unit is avoided; meanwhile, the heat dissipation plate can also fix the corresponding battery unit, so that dislocation and deformation of the battery unit when the battery unit is impacted are avoided, and the overall structural strength of the battery module is improved.
Description
Technical Field
The present disclosure relates to battery modules, and particularly to a battery module.
Background
Along with the proposal of related new energy laws and regulations, the development of new energy automobiles is an important measure for relieving energy and environmental pressure and promoting the sustainable development of automobile industry. Since the battery pack is used as a component for providing energy to the new energy automobile, the development of the battery pack technology is an important assistance for the development of the new energy automobile. However, the safety performance of the battery pack is an important factor limiting the development of new energy technology.
Most of the power batteries in the market at present comprise a battery pack shell, a battery module, a battery management system and the like. The battery module comprises a square shell battery module and a soft package battery module. The soft package battery module is used as a main component of the battery pack, and the safety performance of the soft package battery module is improved, so that the safety of the battery pack can be effectively improved.
There are various heat management modes of the existing soft package module, one of which is to reserve a certain gap in the middle of the battery unit of the soft package module and cool the module by wind. However, the effect of wind cooling is limited, and the battery cooling device is suitable for the condition that the battery operates under mild working conditions.
In another mode, the battery module unit part is cooled, and the battery module is cooled through the shell, so that heat generated by the battery is transferred to the shell to have certain thermal resistance, the heat transfer efficiency is low, and the safety of the battery is not facilitated.
Disclosure of Invention
In view of the problems in the prior art, an object of the present invention is to provide a battery module capable of improving the heat dissipation efficiency of the battery module and the structural strength of the battery module as a whole.
In order to achieve the above object, the present invention provides a battery module including: a heat dissipation plate; the battery unit is fixed on the heat dissipation plate at least along one end face of the arrangement direction; and two fixing frames for clamping the heat dissipation plate and the battery unit between the two fixing frames. Wherein, the heating panel includes: the heat conducting part is contacted with the end face of the corresponding battery unit and is used for fixing the battery unit, and the heat conducting part is clamped between the two fixing frames; and a heat dissipation part bent from an edge of the heat conduction part in the width direction so that heat of the battery cell is dissipated outward through the heat conduction part and the heat dissipation part.
The beneficial effects of the invention are as follows:
in the battery module according to the present invention, since the end surfaces of the battery cells are large surfaces, and the heat of the battery cells is transferred to the heat conductive part through the end surfaces and then is outwardly dissipated through the heat conductive part and the heat dissipation part, the heat dissipation efficiency of the battery module is improved, and thermal runaway of the battery cells is prevented; meanwhile, the heat dissipation plate can also fix the corresponding battery unit, so that dislocation and deformation of the battery unit when the battery unit is impacted are avoided, and the overall structural strength of the battery module is improved.
Drawings
Fig. 1 is a perspective view of a battery module according to the present invention;
fig. 2 is an exploded view of an embodiment of a battery module according to the present invention;
fig. 3 is an exploded view of another embodiment of a battery module according to the present invention;
fig. 4 is an exploded view of yet another embodiment of a battery module according to the present invention.
Wherein reference numerals are as follows:
1. heat dissipating plate 22 package
11. Heat conduction part 3 fixing frame
12. Groove of heat dissipation part 31
121. Connecting hole for extension part 32 fixing frame
13. The connection hole 33 for the heat dissipation plate is opened
2. Cell D alignment direction
21. Width direction of main body W
Detailed Description
The battery module of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 4, a battery module according to the present invention includes: a heat dissipation plate 1; the battery cells 2 are fixed to the heat dissipation plate 1 at least along one end face in the arrangement direction D; and two fixing frames 3 for clamping the heat dissipation plate 1 and the battery unit 2 between the two fixing frames 3. Wherein, heating panel 1 includes: a heat conduction part 11 contacting with an end surface of a corresponding battery cell 2 and fixing the battery cell 2, and the heat conduction part 11 is clamped between the two fixing frames 3; and a heat dissipation part 12 bent and extended from the edge of the heat conduction part 11 in the width direction W so that heat of the battery cell 2 is dissipated outward through the heat conduction part 11 and the heat dissipation part 12.
In the battery module according to the present invention, since the end surfaces of the battery cells 2 are large surfaces, and the heat of the battery cells 2 is transferred to the heat conductive part 11 through the end surfaces and then is outwardly dissipated via the heat conductive part 11 and the heat dissipation part 12, the heat dissipation efficiency of the battery module is improved, and thermal runaway of the battery cells 2 is prevented; meanwhile, the heat dissipation plate 1 can also fix the corresponding battery unit 2, so that dislocation and deformation of the battery unit 2 when being impacted are avoided, and the overall structural strength of the battery module is improved.
In an embodiment of the battery module according to the present invention, referring to fig. 3, the battery cells 2 are one; correspondingly, a heat dissipation plate 1 is arranged between one fixing frame 3 of the two fixing frames 3 and the battery unit 2, and/or a heat dissipation plate 1 is arranged between the other fixing frame 3 of the two fixing frames 3 and the battery unit 2.
In an embodiment of the battery module according to the present invention, referring to fig. 2 and 4, the battery cells 2 are plural and are sequentially arranged in the arrangement direction D; correspondingly, a heat dissipation plate 1 is arranged between two adjacent battery units 2.
In an embodiment of the battery module according to the present invention, the battery cells 2 are plural; correspondingly, a heat dissipation plate 1 is further arranged between one fixing frame 3 of the two fixing frames 3 and the adjacent battery unit 2, and/or a heat dissipation plate 1 is further arranged between the other fixing frame 3 of the two fixing frames 3 and the adjacent battery unit 2.
In an embodiment of the battery module according to the present invention, referring to fig. 2 to 4, the heat dissipation parts 12 of the heat dissipation plate 1 are two and are respectively provided at both sides of the heat conduction part 11 in the width direction W.
In an embodiment of the battery module according to the present invention, referring to fig. 2 to 4, the heat dissipation part 12 is provided with two extension parts 121 located at opposite sides of the heat conduction part 11 in the arrangement direction D; correspondingly, each fixing frame 3 is provided with a groove 31 for accommodating the extension part 121 of the corresponding heat dissipation part 12. The extension portion 121 extends in the arrangement direction D, is not on the same plane as the heat conduction portion 11, facilitates contact with an external heat dissipation member, and increases the heat dissipation area.
In the battery module according to the present invention, the heat dissipation part 12 may be bent to form the extension part 121. For example, the heat dissipation portion 12 is first folded toward one side of the heat conduction portion 11 along the arrangement direction D, and then the folded portion is folded toward the other side of the heat conduction portion 11 along the arrangement direction D, and the portions of the folded portion located at the two sides of the heat conduction portion 11 along the arrangement direction D are the two extension portions 121 of the heat dissipation portion 12.
In an embodiment of the battery module according to the present invention, the heat dissipation part 12 and the heat conduction part 11 may be manufactured in various manners. The heat conducting part can be formed by connecting three parts, namely a heat radiating part 12 and two heat conducting parts 11, and the connection mode can be welding or other connection modes. The heat dissipation part 12 and the heat conduction part 11 can also be formed by integrally forming sectional materials, namely sectional materials with the cross section of an I shape are processed. In actual application, different processing modes can be adopted according to actual conditions.
In an embodiment of the battery module according to the present invention, referring to fig. 2 to 4, the heat conduction part 11 is perpendicular to the extension part 121 of the heat dissipation part 12.
In an embodiment of the battery module according to the present invention, referring to fig. 2 to 4, the holder 3 has a connection hole 32 for the holder; the heat sink 1 has a heat sink connection hole 13.
In one embodiment of the battery module according to the present invention, the connection members (not shown) connect the plurality of battery modules together through the connection holes 32 for the mount and the connection holes 13 for the heat dissipation plate and form the battery module.
In one embodiment of the battery module according to the present invention, the end surfaces of the battery cells 2 are fixed to the heat conductive part 11 of the heat dissipation plate 1 by bonding.
In an embodiment of the battery module according to the invention, the bonding is accomplished with glue or double sided tape.
In an embodiment of the battery module according to the invention, the glue as well as the glue of the double sided tape are both electrically and thermally insulating.
In an embodiment of the battery module according to the present invention, the battery cells 2 are pouch batteries.
In an embodiment of the battery module according to the present invention, referring to fig. 2 to 4, the battery cell 2 includes: a main body 21; and a sealing portion 22 provided around the main body 21.
In an embodiment of the battery module according to the present invention, referring to fig. 2 to 4, each of the holders 3 has an opening 33 to receive the body portion 21 of one of the battery cells 2 when the respective holders 3 are directly adjacent to the one of the battery cells 2 and the holders 3 sandwich and fix the package portion 22 of the one of the battery cells 2. The opening 33 can reduce the volume of the battery module, increase the energy density of the battery module, and facilitate heat dissipation of the battery cells 2.
In an embodiment of the battery module according to the present invention, the heat dissipation part 12 is in contact with an external heat dissipation member such that heat of the battery cells 2 is dissipated outward to the heat dissipation member (not shown) via the heat conduction part 11 and the heat dissipation part 12. The heat dissipation part can be a box body of the battery pack or a cooling pipeline.
Claims (7)
1. A battery module, comprising:
a heat dissipation plate (1);
the battery unit (2) is fixed on the heat dissipation plate (1) along at least one end face of the arrangement direction (D); and
the two fixing frames (3) clamp the heat dissipation plate (1) and the battery unit (2) between the two fixing frames (3);
it is characterized in that the method comprises the steps of,
the heat dissipation plate (1) includes:
a heat conduction part (11) which is contacted with the end surface of the corresponding battery unit (2) and fixes the battery unit (2), and the heat conduction part (11) is clamped between the two fixing frames (3); and
a heat radiation portion (12) extending from the heat conduction portion (11) along the edge of the width direction (W) in a bending manner so that heat of the battery unit (2) is radiated outwards through the heat conduction portion (11) and the heat radiation portion (12);
wherein the heat dissipation part (12) is provided with two extension parts (121) positioned at two opposite sides of the heat conduction part (11) along the arrangement direction (D); each fixing frame (3) is provided with a groove (31) for accommodating the extension part (121) of the corresponding heat dissipation part (12);
the fixing frame (3) is provided with a connecting hole (32) for the fixing frame, the radiating plate (1) is provided with a connecting hole (13) for the radiating plate, and the connecting piece is used for connecting a plurality of battery modules together through the connecting hole (32) for the fixing frame and the connecting hole (13) for the radiating plate to form the battery module.
2. The battery module of claim 1, wherein the battery module comprises a plurality of cells,
the number of the battery units (2) is one;
a heat dissipation plate (1) is arranged between one fixing frame (3) of the two fixing frames (3) and the battery unit (2); and/or a heat dissipation plate (1) is arranged between the other fixing frame (3) of the two fixing frames (3) and the battery unit (2).
3. The battery module of claim 1, wherein the battery module comprises a plurality of cells,
the plurality of battery units (2) are sequentially arranged along the arrangement direction (D);
a heat dissipation plate (1) is arranged between two adjacent battery units (2).
4. The battery module of claim 3, wherein the battery module comprises a plurality of battery cells,
a heat dissipation plate (1) is arranged between one fixing frame (3) of the two fixing frames (3) and the adjacent battery unit (2); and/or
A heat dissipation plate (1) is arranged between the other fixing frame (3) of the two fixing frames (3) and the adjacent battery unit (2).
5. The battery module according to claim 1, wherein the heat dissipation parts (12) of the heat dissipation plate (1) are two and are provided on both sides of the heat conduction part (11) in the width direction (W), respectively.
6. The battery module according to claim 1, wherein the heat conducting portion (11) is perpendicular to the extension portion (121) of the heat radiating portion (12).
7. The battery module according to claim 1, wherein the end faces of the battery cells (2) are fixed to the heat conduction portion (11) of the heat dissipation plate (1) by adhesion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344353.2A CN107425154B (en) | 2016-05-23 | 2016-05-23 | battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610344353.2A CN107425154B (en) | 2016-05-23 | 2016-05-23 | battery module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107425154A CN107425154A (en) | 2017-12-01 |
| CN107425154B true CN107425154B (en) | 2024-01-16 |
Family
ID=60422084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610344353.2A Active CN107425154B (en) | 2016-05-23 | 2016-05-23 | battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107425154B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054315A (en) * | 2017-12-07 | 2018-05-18 | 上海空间电源研究所 | Space rectangular lithium ion accumulator group |
| CN107978713A (en) * | 2017-12-30 | 2018-05-01 | 华霆（合肥）动力技术有限公司 | Soft-package battery module and supply unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183863A (en) * | 2014-08-07 | 2014-12-03 | 长丰集团有限责任公司 | Soft-packing lithium ion battery module |
| CN104347907A (en) * | 2013-07-26 | 2015-02-11 | 神华集团有限责任公司 | Battery, battery module and vehicle |
| CN104604019A (en) * | 2012-08-30 | 2015-05-06 | Sk新技术株式会社 | Battery module |
| CN104993183A (en) * | 2015-05-22 | 2015-10-21 | 江苏科技大学 | Battery module, battery module group and battery module group packaging method |
| CN204809333U (en) * | 2015-08-03 | 2015-11-25 | 上海中聚佳华电池科技有限公司 | Laminate polymer battery module |
| CN205159469U (en) * | 2015-12-09 | 2016-04-13 | 上汽大众汽车有限公司 | Heat conduction mechanism of battery module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9196938B2 (en) * | 2010-07-06 | 2015-11-24 | Samsung Sdi Co., Ltd. | Battery module |
-
2016
- 2016-05-23 CN CN201610344353.2A patent/CN107425154B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104604019A (en) * | 2012-08-30 | 2015-05-06 | Sk新技术株式会社 | Battery module |
| CN104347907A (en) * | 2013-07-26 | 2015-02-11 | 神华集团有限责任公司 | Battery, battery module and vehicle |
| CN104183863A (en) * | 2014-08-07 | 2014-12-03 | 长丰集团有限责任公司 | Soft-packing lithium ion battery module |
| CN104993183A (en) * | 2015-05-22 | 2015-10-21 | 江苏科技大学 | Battery module, battery module group and battery module group packaging method |
| CN204809333U (en) * | 2015-08-03 | 2015-11-25 | 上海中聚佳华电池科技有限公司 | Laminate polymer battery module |
| CN205159469U (en) * | 2015-12-09 | 2016-04-13 | 上汽大众汽车有限公司 | Heat conduction mechanism of battery module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107425154A (en) | 2017-12-01 |
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