CN114976446B - Integrated water-cooled battery module - Google Patents
Integrated water-cooled battery module Download PDFInfo
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- CN114976446B CN114976446B CN202110213009.0A CN202110213009A CN114976446B CN 114976446 B CN114976446 B CN 114976446B CN 202110213009 A CN202110213009 A CN 202110213009A CN 114976446 B CN114976446 B CN 114976446B
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- battery cell
- battery
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- bin
- water
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- 239000003292 glue Substances 0.000 claims abstract description 17
- 239000000110 cooling liquid Substances 0.000 claims abstract description 13
- 238000005452 bending Methods 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 68
- 238000001816 cooling Methods 0.000 description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- 238000003860 storage Methods 0.000 description 10
- 238000009434 installation Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- 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
- H01M10/65—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
-
- 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
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides an integrated water-cooled battery module, and relates to the field of battery modules. The integrated water-cooled battery module comprises an outer box body, a battery cell, an insulating end plate, a busbar and an output electrode, wherein the outer box body is provided with a battery cell bin and a water-cooled bin which are integrally formed, the battery cell is stacked in the battery cell bin, the busbar and the output electrode are in conductive connection with the electrode lugs of the battery cell, and the insulating end plate is fixedly connected to the end part of the outer box body; and a battery cell support is further arranged in the battery cell bin, the battery cell is fixed on the battery cell support, a heat conducting structure is arranged on the outer periphery of the battery cell support, and a heat conducting channel is formed between the heat conducting structure and the inner wall of the battery cell bin. The heat conduction structure glue is poured into part of the heat conduction channels, so that heat is quickly transferred to the cooling liquid in a heat conduction mode, and the heat generated at the corresponding part of the battery cell can be timely emitted; when thermal runaway, the high-temperature gas that the electricity core produced is in the same place through heat conduction passageway intercommunication, by the injecting glue mouth at both ends direct discharge, avoids the inside heat of piling up of battery module, and it is better to restrain thermal runaway effect.
Description
Technical Field
The invention relates to the technical field of battery modules, in particular to an integrated water-cooled battery module.
Background
The power battery is used as an energy storage component of the electric automobile, and the problem of thermal runaway is easily caused if the power battery is improper in the manufacturing process or the working process. Therefore, the thermal runaway protection design of the battery module is related to the safety of the whole vehicle.
In order to meet the heat dissipation requirement of the battery module during operation, the outer box of the battery module is designed into a water-cooling box body, as a water-cooling battery box is disclosed in the prior art, and the water-cooling battery box comprises a battery box main body, wherein the battery box main body is divided into a single battery installation storage bin and a cooling liquid storage bin, the cooling liquid storage bin is positioned at the bottom of the single battery installation storage bin, the single battery installation storage bin and the cooling liquid storage bin are integrally formed, the single battery installation storage bin and the cooling liquid storage bin are independently sealed, and a sealing panel is in threaded connection with the battery box main body. The water-cooled battery box in the prior art is manufactured by adopting an integrated forming process, so that the cooling liquid is ensured to be in good contact with the battery box, the heat dissipation efficiency is improved, and meanwhile, the damage to the battery cell caused by the leakage of the cooling liquid is effectively prevented.
But only through the wallboard that is interposed between battery cell installation storage storehouse and coolant liquid storage storehouse carry out heat transfer, can only cool off the heat dissipation to the bottom of electric core, and the electric core during operation can wholly generate heat. Therefore, the existing water-cooled battery box cannot timely emit heat generated at other parts of the battery cell, and the heat is easily accumulated in the battery module, so that the problem of high-temperature danger is caused.
Disclosure of Invention
In order to solve the above problems, the present invention provides an integrated water-cooled battery module, so as to solve the problem that the existing water-cooled battery box cannot timely dissipate heat generated at other parts of the battery core, and heat is easily accumulated in the battery module, thereby causing high-temperature danger.
The technical scheme of the integrated water-cooled battery module is as follows:
The integrated water-cooled battery module comprises an outer box body, a battery cell, an insulating end plate, a busbar and an output electrode, wherein the outer box body is provided with a battery cell bin and a water-cooled bin which are integrally formed, the battery cells are stacked in the battery cell bin, the busbar and the output electrode are in conductive connection with the lugs of the battery cells, and the insulating end plate is fixedly connected to the end part of the outer box body;
the battery cell bin is internally provided with a battery cell support, the battery cell is fixed on the battery cell support, the outer periphery of the battery cell support is provided with a heat conducting structure, and a heat conducting channel is formed between the heat conducting structure and the inner wall of the battery cell bin.
Further, the battery cell support is a rectangular frame, the rectangular frame comprises an upper frame, a lower frame, a left frame and a right frame, and heat conducting grooves with outward openings are formed in the upper frame, the lower frame, the left frame and the right frame.
Further, the bottom of the heat conducting groove of the left frame and the bottom of the heat conducting groove of the right frame are respectively provided with vent holes.
Further, the water cooling bin is arranged at the bottom of the battery cell bin, a heat conducting wall plate is arranged between the battery cell bin and the water cooling bin, a plurality of water cooling walls are further arranged in the water cooling bin, and a water cooling channel for cooling liquid to circulate is formed between the water cooling walls.
Further, the outer upper edge of outer box is equipped with the welding boss, the lower limb of outer box is equipped with the welding boss, the welding boss is followed the length direction of outer box extends.
Further, the two battery cells are laminated and stacked in the battery cell bracket, and a heat insulation pad and a buffer pad are further clamped between the two battery cells.
Further, a plurality of clapboards are further arranged in the battery cell bin, a battery cell unit cavity is formed between two adjacent clapboards, the battery cells are stacked and installed in the battery cell unit cavity, and a shoulder fireproof buffer pad is further arranged on the outer side of each battery cell.
Further, the integrated water-cooled battery module further comprises a busbar bracket, wherein the busbar bracket is arranged between the busbar and the end part of the battery cell, and the busbar and the output electrode are positioned and installed on the busbar bracket.
Further, the output electrodes are provided with a first output electrode and a second output electrode, the first output electrode and the second output electrode are respectively bending plate members, the first output electrode and the second output electrode comprise vertical sections and bending sections, and the bending sections of the first output electrode and the bending sections of the second output electrode are overhanging to the outer side of the insulating end plate;
The bending section of the first output pole extends to the outer side protruding out of the battery module along the width direction of the battery module, and the protruding part of the bending section of the first output pole and the bending section of the second output pole are used for forming conductive contact when the two integrated water-cooled battery modules are combined in parallel.
Further, a sampling wire harness is arranged in the heat conduction groove of the upper frame, and one end of the sampling wire harness is electrically connected with a sampling terminal.
Further, the insulating end plate is provided with a glue injection port, the glue injection port corresponds to the heat conduction channel at the lower part of the battery cell support, and the heat conduction channel at the lower part of the battery cell support is filled with heat conduction structural glue.
Further, a plastic insulating film is arranged between the battery cell and the battery cell bin, adhesive is arranged on the back surface of the plastic insulating film, and the plastic insulating film is attached to the side surfaces of the plurality of battery cells in the length direction. Through the plastic insulation film between electric core and the electric core storehouse, reach anticreep purpose, utilize the plastic insulation film to laminate a plurality of electric cores adhesion, avoided being scratched by outer box when installing electric core, improved electric core structural strength and guard action.
The beneficial effects are that: the integrated water-cooling battery module adopts the structural design that an outer box body is provided with an integrated battery cell bin and a water-cooling bin, a battery cell support is arranged in the battery cell bin, a battery cell is fixed on the battery cell support, and a heat conduction channel is formed between the heat conduction structure and the inner wall of the battery cell bin through a heat conduction structure which is arranged on the outer side of the battery cell support in a surrounding manner; the heat conducting channel surrounds the outside of the battery core support, heat conducting structural adhesive can be poured into part of the heat conducting channel, and heat is quickly transferred to cooling liquid in a heat conducting mode by means of a bin wall plate close to the water cooling bin, so that heat generated by the battery core can be effectively dissipated; when the thermal runaway condition appears, through the heat conduction passageway with other position space intercommunication of electric core together, the high temperature gas that the electric core produced circulates smoothly in the heat conduction passageway, directly discharges by the injecting glue mouth at both ends, has avoided piling up at the inside easy heat of battery module, and then arouses the dangerous problem of high temperature, and is better to the suppression effect of thermal runaway.
Drawings
Fig. 1 is a schematic perspective view of an integrated water-cooled battery module according to embodiment 1 of the present invention;
fig. 2 is an exploded perspective view of an integrated water-cooled battery module according to embodiment 1 of the present invention;
Fig. 3 is a schematic perspective view of a battery cell holder in embodiment 1 of an integrated water-cooled battery module according to the present invention;
Fig. 4 is a schematic cross-sectional view of the outer case of embodiment 1 of the integrated water-cooled battery module according to the present invention;
Fig. 5 is a schematic cross-sectional view of the integrated water-cooled battery module of fig. 1.
In the figure: the device comprises a 1-outer box body, 10-welding bosses, 11-battery core bins, 12-water cooling bins, 13-partition boards, 14-water cooling walls, 2-battery cores, 21-heat insulation pads, 22-buffer pads, 23-shoulder fireproof buffer pads, 3-insulation end plates, 30-glue injection ports, 4-bus bars, 40-bus bar supports, 41-first output poles, 411-bending sections of the first output poles, 42-second output poles, 421-bending sections of the second output poles, 5-battery core supports, 50-heat conducting grooves, 51-upper frames, 52-lower frames, 53-left frames, 54-right frames, 55-vent holes, 6-sampling wire harnesses and 60-sampling terminals.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the embodiment 1 of the integrated water-cooled battery module, as shown in fig. 1 to 5, the integrated water-cooled battery module comprises an outer box body 1, a battery cell 2, an insulating end plate 3, a bus bar 4 and an output electrode, wherein the outer box body 1 is provided with a battery cell bin 11 and a water-cooled bin 12 which are integrally formed, the battery cell 2 is stacked in the battery cell bin 11, the bus bar 4 and the output electrode are in conductive connection with a tab of the battery cell 2, and the insulating end plate 3 is fixedly connected at the end part of the outer box body 1; the battery cell bin 11 is also provided with a battery cell support 5, the battery cell 2 is fixed on the battery cell support 5, the outer periphery of the battery cell support 5 is provided with a heat conducting structure, and a heat conducting channel is formed between the heat conducting structure and the inner wall of the battery cell bin 11.
The integrated water-cooling battery module adopts the structural design that an outer box body 1 is provided with an integrated battery cell bin 11 and a water-cooling bin 12, a battery cell support 5 is arranged in the battery cell bin 11, a battery cell 2 is fixed on the battery cell support 5, and a heat conduction channel is formed between the heat conduction structure and the inner wall of the battery cell bin 11 through a heat conduction structure which is arranged on the outer side of the battery cell support 5 in a surrounding manner; the heat conduction structural adhesive can be poured into part of the heat conduction channels, and the heat is quickly transferred to the cooling liquid in a heat conduction mode by virtue of the wall plates of the water cooling bin 12, so that the heat generated by the battery cell 2 can be effectively dissipated; when the thermal runaway condition appears, communicate the space of electric core 2 other positions together through the heat conduction passageway, the high temperature gas that electric core 2 produced smoothly circulates in the heat conduction passageway, makes direct discharge by the injecting glue mouth 30 at both ends, has avoided piling up at the inside easy heat of battery module, and then arouses the dangerous problem of high temperature, and is better to the suppression effect of thermal runaway.
In this embodiment, the battery cell support 5 is a rectangular frame, and the rectangular frame includes an upper frame 51, a lower frame 52, a left frame 53 and a right frame 54, and the upper frame 51, the lower frame 52, the left frame 53 and the right frame 54 are all provided with a heat conducting groove 50 with an outward opening, and the heat conducting groove 50 forms a heat conducting structure enclosed outside the battery cell support 5. The bottom of the heat conduction groove of the left frame 53 and the bottom of the heat conduction groove of the right frame 54 are respectively provided with a vent hole 55. The electric core support 5 is installed in electric core storehouse 11, and the heat conduction channel is formed between the inner wall in messenger's heat conduction groove 50 and electric core storehouse 11 through the laminating of the heat conduction groove 50 cell wall and electric core storehouse 11 of each frame to, the passageway intercommunication each other of upper, left and right three direction, so that the heat of different parts can exchange the circulation.
The water cooling bin 12 is arranged at the bottom of the battery core bin 11, a heat conducting wall plate is arranged between the battery core bin 11 and the water cooling bin 12, a plurality of water cooling walls 14 are further arranged in the water cooling bin 12, and a water cooling channel for cooling liquid to circulate is formed between the water cooling walls 14. Specifically, the water cooling walls 14 extend along the length direction of the outer box 1, and the water cooling channels are in a straight-through structure, i.e. one end of the length of each water cooling channel is a water inlet, and the other end of each water cooling channel is a water outlet. In other embodiments, in order to meet different use requirements, two adjacent water cooling channels can be opened, so that an S-shaped water cooling channel is constructed, the circulation length of cooling liquid is prolonged, partial water inlets and water outlets are omitted, and the structure is simpler and more compact.
In this embodiment, the outer upper edge of the outer case 1 is provided with a welding boss 10, the lower edge of the outer case 1 is provided with a welding boss 10, and the welding boss 10 extends along the length direction of the outer case 1. The partial sectional area of the outer case 1 is widened by the welding boss 10, so that the problem that the outer case 1 is welded through to be damaged is prevented from occurring when the two outer cases 1 are welded together. The two battery cells 2 are laminated and stacked in the battery cell bracket 5, and a heat insulation pad 21 and a buffer pad 22 are also clamped between the two battery cells 2. And still be equipped with a plurality of baffles 13 in the electric core storehouse 11, form electric core unit chamber between two adjacent baffles 13, electric core 2 stacks and installs in electric core unit chamber, and the outside of electric core 2 still is equipped with shoulder fire prevention blotter 23.
The integrated water-cooled battery module further comprises a busbar bracket 40, the busbar bracket 40 is arranged between the busbar 4 and the end part of the battery cell 2, and the busbar 4 and the output electrode are positioned and installed on the busbar bracket 40. The output poles are two, namely a first output pole 41 and a second output pole 42, the first output pole 41 and the second output pole 42 are respectively bending plates, the first output pole 41 and the second output pole 42 comprise vertical sections and bending sections, and the bending sections 411 and 421 of the first output pole and the second output pole are respectively suspended to the outer side of the insulating end plate 3; the bending section 411 of the first output electrode extends to the outside protruding from the battery module along the width direction of the battery module, and the protruding portion of the bending section 411 of the first output electrode and the bending section 421 of the second output electrode are used for forming conductive contact when two integrated water-cooled battery modules are combined in parallel.
Because the tip protrusion of battery module is provided with the bending section 411 of first output pole, the bending section 421 of second output pole, the bending section of these two output poles is as the conductive connection end that reserves, can simply side by side make up two battery modules and can realize the conductive connection of two, compare in prior art adopts the water conservancy diversion copper bar to carry out conductive connection's design form with two battery modules, need not to use the water conservancy diversion copper bar specially to connect battery module's positive output pole and negative output pole, avoided increasing the occupation space of battery package on the car, spare part's quantity is less, effectively reduced manufacturing cost.
In addition, a sampling wire harness 6 is arranged in the heat conduction groove of the upper frame 51, and one end of the sampling wire harness 6 is electrically connected with a sampling terminal 60; the insulating end plate 3 is provided with the glue injection port 30, the glue injection port 30 corresponds to the heat conduction groove 50 at the lower part of the battery cell support 5, the heat conduction groove 50 at the lower part of the battery cell support 5 is filled with heat conduction structural glue, the heat conduction structural glue is filled into the battery cell bin 11 through the glue injection port 30, and the heat conduction structural glue is filled into a heat conduction channel at the bottom, so that an efficient heat conduction effect is formed between the bottom of the battery cell 2 and the wall plate of the water cooling bin, and the heat conduction efficiency and the heat dissipation effect are improved. And still be equipped with the plastic insulation membrane between electric core 2 and the electric core storehouse 11, the back of plastic insulation membrane is equipped with the viscose, and the plastic insulation membrane is laminated with the lateral surface of the length direction of a plurality of electric cores 2. Through the plastic insulation film between electric core 2 and electric core storehouse 11, reach anticreep purpose, utilize plastic insulation film to laminate a plurality of electric cores 2 adhesion, avoided being scratched by outer box 1 when installing electric core 2, improved electric core structural strength and guard action.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (11)
1. The integrated water-cooled battery module is characterized by comprising an outer box body, a battery cell, an insulating end plate, a bus bar and an output electrode, wherein the outer box body is provided with a battery cell bin and a water-cooled bin which are integrally formed, the battery cells are stacked in the battery cell bin, the bus bar and the output electrode are in conductive connection with lugs of the battery cells, and the insulating end plate is fixedly connected with the end part of the outer box body;
the battery cell bin is internally provided with a battery cell support, the battery cell is fixed on the battery cell support, the outer periphery of the battery cell support is provided with a heat conducting structure, and a heat conducting channel is formed between the heat conducting structure and the inner wall of the battery cell bin;
The battery cell support is rectangular frame, rectangular frame includes frame, lower frame, left side frame and right frame, all be equipped with the heat conduction groove that the opening outwards on frame, lower frame, left side frame and the right frame.
2. The integrated water-cooled battery module of claim 1, wherein the bottom of the heat conducting groove of the left frame and the bottom of the heat conducting groove of the right frame are respectively provided with a vent hole.
3. The integrated water-cooled battery module according to claim 1, wherein the water-cooled bin is arranged at the bottom of the battery cell bin, a heat-conducting wall plate is arranged between the battery cell bin and the water-cooled bin, a plurality of water-cooled walls are further arranged in the water-cooled bin, and a water-cooled channel for cooling liquid to circulate is formed between the water-cooled walls.
4. The integrated water-cooled battery module of claim 1, wherein a welding boss is provided at an outer upper edge of the outer case, and a welding boss is provided at a lower edge of the outer case, the welding boss extending in a length direction of the outer case.
5. The integrated water-cooled battery module of claim 1, wherein two cells are laminated in the cell holder, and a heat insulation pad and a buffer pad are further interposed between the two cells.
6. The integrated water-cooled battery module of claim 5, wherein a plurality of separators are further arranged in the battery cell bin, a battery cell unit cavity is formed between two adjacent separators, the battery cells are stacked and mounted in the battery cell unit cavity, and a shoulder fireproof buffer pad is further arranged on the outer side of the battery cells.
7. The integrated water-cooled battery module of any of claims 1 to 6, further comprising a buss bar bracket disposed between the buss bar and the ends of the cells, and the buss bar and output poles are positioned and mounted on the buss bar bracket.
8. The integrated water-cooled battery module of claim 7, wherein the output poles are two, namely a first output pole and a second output pole, the first output pole and the second output pole are respectively bending plates, the first output pole and the second output pole both comprise vertical sections and bending sections, and the bending sections of the first output pole and the bending sections of the second output pole are both overhanging to the outer side of the insulating end plate;
The bending section of the first output pole extends to the outer side protruding out of the battery module along the width direction of the battery module, and the protruding part of the bending section of the first output pole and the bending section of the second output pole are used for forming conductive contact when the two integrated water-cooled battery modules are combined in parallel.
9. The integrated water-cooled battery module of claim 1, wherein a sampling wire harness is arranged in the heat conducting groove of the upper frame, and one end of the sampling wire harness is electrically connected with a sampling terminal.
10. The integrated water-cooled battery module of claim 1, wherein the insulating end plate is provided with a glue injection port, the glue injection port corresponds to a heat conduction channel at the lower part of the battery cell bracket, and the heat conduction channel at the lower part of the battery cell bracket is filled with heat conduction structural glue.
11. The integrated water-cooled battery module of claim 1, wherein a plastic insulating film is arranged between the battery cell and the battery cell bin, an adhesive is arranged on the back surface of the plastic insulating film, and the plastic insulating film is attached to the side surfaces of the battery cells in the length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110213009.0A CN114976446B (en) | 2021-02-25 | 2021-02-25 | Integrated water-cooled battery module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110213009.0A CN114976446B (en) | 2021-02-25 | 2021-02-25 | Integrated water-cooled battery module |
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| Publication Number | Publication Date |
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| CN114976446A CN114976446A (en) | 2022-08-30 |
| CN114976446B true CN114976446B (en) | 2024-05-14 |
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Citations (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012062396A1 (en) * | 2010-11-10 | 2012-05-18 | Daimler Ag | Battery with a cell assembly |
| JP2012128982A (en) * | 2010-12-13 | 2012-07-05 | Lithium Energy Japan:Kk | Battery module |
| KR20140144787A (en) * | 2013-06-11 | 2014-12-22 | 주식회사 엘지화학 | Battery Module Having Structure for Prevention of Coolant and Venting Gas Mixing |
| WO2015005612A1 (en) * | 2013-07-08 | 2015-01-15 | 주식회사 엘지화학 | Battery assembly |
| DE102014217188A1 (en) * | 2013-08-29 | 2015-03-05 | Lg Chem, Ltd. | Battery module with a structure to prevent the mixing of coolant and ventilation gas |
| CN105552268A (en) * | 2016-01-30 | 2016-05-04 | 华南理工大学 | Air-cooling battery box with cooling fins for multi-outlet electric vehicle batteries |
| CN106129294A (en) * | 2016-08-01 | 2016-11-16 | 杜桂菊 | Organic foaming support and cylindrical electrical core electrokinetic cell bag |
| CN206040913U (en) * | 2016-09-29 | 2017-03-22 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN206370446U (en) * | 2016-12-07 | 2017-08-01 | 江苏天合储能有限公司 | Soft-package battery heat dissipation ventilation structure |
| CN108281701A (en) * | 2018-02-01 | 2018-07-13 | 合肥国轩高科动力能源有限公司 | The soft-package battery module and power battery of samming |
| CN109428019A (en) * | 2017-08-31 | 2019-03-05 | 宁德时代新能源科技股份有限公司 | Frame and battery module |
| CN109671886A (en) * | 2018-12-20 | 2019-04-23 | 国联汽车动力电池研究院有限责任公司 | A kind of soft-package battery modular structure for strengthening heat transfer |
| KR20190056039A (en) * | 2017-11-16 | 2019-05-24 | 인지컨트롤스 주식회사 | battery module for vehicle |
| CN109888159A (en) * | 2019-02-28 | 2019-06-14 | 力神动力电池系统有限公司 | A kind of power battery Soft Roll mould group |
| CN110021798A (en) * | 2018-01-10 | 2019-07-16 | 陈名森 | A kind of air-cooled battery modules |
| CN209200028U (en) * | 2018-12-26 | 2019-08-02 | 蜂巢能源科技有限公司 | Integrated form power battery module and power battery pack |
| CN209329099U (en) * | 2019-01-17 | 2019-08-30 | 淮安信息职业技术学院 | A kind of assembly type new-energy automobile battery |
| CN209344246U (en) * | 2018-12-07 | 2019-09-03 | 力神动力电池系统有限公司 | Method for soft package lithium ion power mould group |
| CN110603663A (en) * | 2018-01-26 | 2019-12-20 | 株式会社Lg化学 | Battery module and battery module assembly |
| CN111048868A (en) * | 2019-12-25 | 2020-04-21 | 中国第一汽车股份有限公司 | Battery monomer group and battery module |
| CN210897471U (en) * | 2019-12-24 | 2020-06-30 | 孚能科技(镇江)有限公司 | Battery module casing and battery module |
| DE102019201077A1 (en) * | 2019-01-29 | 2020-07-30 | Audi Ag | Battery assembly method for providing a battery assembly and assembly |
| CN111492503A (en) * | 2017-12-19 | 2020-08-04 | 三洋电机株式会社 | Power supply device and separator for power supply device |
| CN111788710A (en) * | 2018-09-13 | 2020-10-16 | 株式会社Lg化学 | Battery module including heat shrinkable tube |
| CN211879477U (en) * | 2020-05-28 | 2020-11-06 | 珠海冠宇动力电池有限公司 | Battery pack and battery module |
| CN111987248A (en) * | 2019-05-21 | 2020-11-24 | 比亚迪股份有限公司 | Power battery package and vehicle |
| CN112259823A (en) * | 2020-04-29 | 2021-01-22 | 蜂巢能源科技有限公司 | Battery pack |
| CN112271386A (en) * | 2020-10-12 | 2021-01-26 | 东风时代(武汉)电池系统有限公司 | Box structure of CTP battery pack |
| CN212485456U (en) * | 2020-07-08 | 2021-02-05 | 天津市捷威动力工业有限公司 | Power battery module |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9960395B2 (en) * | 2012-08-16 | 2018-05-01 | Lg Chem, Ltd. | Battery module |
-
2021
- 2021-02-25 CN CN202110213009.0A patent/CN114976446B/en active Active
Patent Citations (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012062396A1 (en) * | 2010-11-10 | 2012-05-18 | Daimler Ag | Battery with a cell assembly |
| JP2012128982A (en) * | 2010-12-13 | 2012-07-05 | Lithium Energy Japan:Kk | Battery module |
| KR20140144787A (en) * | 2013-06-11 | 2014-12-22 | 주식회사 엘지화학 | Battery Module Having Structure for Prevention of Coolant and Venting Gas Mixing |
| CN105324885A (en) * | 2013-07-08 | 2016-02-10 | 株式会社Lg化学 | Battery assembly |
| WO2015005612A1 (en) * | 2013-07-08 | 2015-01-15 | 주식회사 엘지화학 | Battery assembly |
| DE102014217188A1 (en) * | 2013-08-29 | 2015-03-05 | Lg Chem, Ltd. | Battery module with a structure to prevent the mixing of coolant and ventilation gas |
| KR20150025308A (en) * | 2013-08-29 | 2015-03-10 | 주식회사 엘지화학 | Battery Module Having Structure for Prevention of Coolant and Venting Gas Mixing |
| CN105552268A (en) * | 2016-01-30 | 2016-05-04 | 华南理工大学 | Air-cooling battery box with cooling fins for multi-outlet electric vehicle batteries |
| CN106129294A (en) * | 2016-08-01 | 2016-11-16 | 杜桂菊 | Organic foaming support and cylindrical electrical core electrokinetic cell bag |
| CN206040913U (en) * | 2016-09-29 | 2017-03-22 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN206370446U (en) * | 2016-12-07 | 2017-08-01 | 江苏天合储能有限公司 | Soft-package battery heat dissipation ventilation structure |
| CN109428019A (en) * | 2017-08-31 | 2019-03-05 | 宁德时代新能源科技股份有限公司 | Frame and battery module |
| KR20190056039A (en) * | 2017-11-16 | 2019-05-24 | 인지컨트롤스 주식회사 | battery module for vehicle |
| CN111492503A (en) * | 2017-12-19 | 2020-08-04 | 三洋电机株式会社 | Power supply device and separator for power supply device |
| CN110021798A (en) * | 2018-01-10 | 2019-07-16 | 陈名森 | A kind of air-cooled battery modules |
| CN110603663A (en) * | 2018-01-26 | 2019-12-20 | 株式会社Lg化学 | Battery module and battery module assembly |
| CN108281701A (en) * | 2018-02-01 | 2018-07-13 | 合肥国轩高科动力能源有限公司 | The soft-package battery module and power battery of samming |
| CN111788710A (en) * | 2018-09-13 | 2020-10-16 | 株式会社Lg化学 | Battery module including heat shrinkable tube |
| CN209344246U (en) * | 2018-12-07 | 2019-09-03 | 力神动力电池系统有限公司 | Method for soft package lithium ion power mould group |
| CN109671886A (en) * | 2018-12-20 | 2019-04-23 | 国联汽车动力电池研究院有限责任公司 | A kind of soft-package battery modular structure for strengthening heat transfer |
| CN209200028U (en) * | 2018-12-26 | 2019-08-02 | 蜂巢能源科技有限公司 | Integrated form power battery module and power battery pack |
| CN209329099U (en) * | 2019-01-17 | 2019-08-30 | 淮安信息职业技术学院 | A kind of assembly type new-energy automobile battery |
| DE102019201077A1 (en) * | 2019-01-29 | 2020-07-30 | Audi Ag | Battery assembly method for providing a battery assembly and assembly |
| CN111490195A (en) * | 2019-01-29 | 2020-08-04 | 奥迪股份公司 | Battery assembly method for providing battery device and battery device |
| CN109888159A (en) * | 2019-02-28 | 2019-06-14 | 力神动力电池系统有限公司 | A kind of power battery Soft Roll mould group |
| CN111987248A (en) * | 2019-05-21 | 2020-11-24 | 比亚迪股份有限公司 | Power battery package and vehicle |
| CN210897471U (en) * | 2019-12-24 | 2020-06-30 | 孚能科技(镇江)有限公司 | Battery module casing and battery module |
| CN111048868A (en) * | 2019-12-25 | 2020-04-21 | 中国第一汽车股份有限公司 | Battery monomer group and battery module |
| CN112259823A (en) * | 2020-04-29 | 2021-01-22 | 蜂巢能源科技有限公司 | Battery pack |
| CN211879477U (en) * | 2020-05-28 | 2020-11-06 | 珠海冠宇动力电池有限公司 | Battery pack and battery module |
| CN212485456U (en) * | 2020-07-08 | 2021-02-05 | 天津市捷威动力工业有限公司 | Power battery module |
| CN112271386A (en) * | 2020-10-12 | 2021-01-26 | 东风时代(武汉)电池系统有限公司 | Box structure of CTP battery pack |
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