CN220753565U - Battery module and battery pack - Google Patents
Battery module and battery pack Download PDFInfo
- Publication number
- CN220753565U CN220753565U CN202322465300.4U CN202322465300U CN220753565U CN 220753565 U CN220753565 U CN 220753565U CN 202322465300 U CN202322465300 U CN 202322465300U CN 220753565 U CN220753565 U CN 220753565U
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- battery
- liquid cooling
- plates
- battery module
- plate
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- 239000007788 liquid Substances 0.000 claims abstract description 69
- 238000001816 cooling Methods 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000000853 adhesive Substances 0.000 claims description 21
- 230000001070 adhesive effect Effects 0.000 claims description 21
- 239000003292 glue Substances 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 230000002269 spontaneous effect Effects 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000004964 aerogel Substances 0.000 description 13
- 238000009413 insulation Methods 0.000 description 12
- 239000006260 foam Substances 0.000 description 8
- 238000003892 spreading Methods 0.000 description 6
- 230000007480 spreading Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006379 extruded polypropylene Polymers 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery module and a battery pack, wherein the battery module comprises two side plates, two end plates, a plurality of electric cores and a liquid cooling plate, and the two side plates are horizontally arranged at intervals in a relative mode; the large surface of the battery core faces the side plates, a plurality of battery cores are stacked between the two side plates, the battery core at the lowest layer and the battery core at the uppermost layer are respectively bonded with the two side plates, and the battery core at the leftmost side and the battery core at the rightmost side are respectively bonded with the two end plates; the liquid cooling plate is vertically arranged between the two side plates, and is respectively bonded with the electric cores at the two sides of the liquid cooling plate. Because the heat of electric core mostly makes through big face transmission, the big face of electric core stacks towards the curb plate, and when the electric core of module took place thermal runaway, only can transmit the electric core of same vertical row at most, can not influence the electric core of other vertical rows to reduced the risk of battery module spontaneous combustion, improved the security of battery package greatly.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery module and a battery pack.
Background
Nowadays, new energy automobiles are more and more, the spontaneous combustion of the automobiles also frequently occurs, and the spontaneous combustion of the new energy automobiles is caused by the fact that the heat spreading measures of the electric core of the battery pack are not good. To meet the requirements of consumers and vehicle enterprises for the safety performance of battery packs, the heat spreading of the battery cells must be prevented from design.
In the prior art, two methods for preventing the heat spreading of the battery cells exist, one is to paste aerogel (a light solid material which is formed by mutually gathering nano colloid particles to form a nano skeleton and a nano porous network structure and is filled with a gaseous dispersion medium in the pores and can bear the high temperature of 1400 ℃); and secondly, sticking MPP (polypropylene microporous foam new material, MPP)/XPP (extruded polypropylene) foam between the electric cores. The most widely used battery cells in industry are ternary lithium and lithium iron phosphate, the thermal runaway temperature of the ternary lithium battery is 200 ℃, the thermal runaway temperature of the lithium iron phosphate is 350 ℃, spontaneous combustion of the ternary lithium battery is easy to occur compared with that of the lithium iron phosphate, foam can be rapidly melted when the temperature reaches 200 ℃, and the heat insulation effect can not be achieved, so that the ternary lithium battery cells are adhered with aerogel. Compared with the lithium iron phosphate battery cell, the lithium iron phosphate battery cell is safer, and the heat insulation pad between the battery cells can select foam or aerogel according to the requirements of a host machine factory.
Although both of these solutions have been very mature in the battery industry, the drawbacks are also very apparent.
1. The aerogel has a complex manufacturing process, so that the price of the aerogel is very high, and the aerogel accounts for more than 30% of the total cost of the module structural member; when the aerogel is extruded, particles similar to smoke can be emitted, creepage gaps among the parts can be reduced when the aerogel is attached to other parts, so that electric breakdown occurs when the battery pack is charged and discharged, and safety accidents are caused; the aerogel material is easy to absorb water, the inside of the battery pack is provided with water vapor, and the aerogel can influence the overall insulation and pressure resistance of the module after absorbing enough water, so that potential safety hazards exist; the aerogel is very hard and difficult to compress, and the battery cell can expand after long-time use, and the aerogel can not provide buffer space for the battery cell, so that after the battery cell is combined into a module, the cycle life of the battery cell is reduced.
2. The foam cannot resist high temperature, and after the temperature of the battery cell exceeds 200 ℃, the foam cannot bear high temperature, so that the heat insulation effect cannot be achieved, and the battery cell is easy to spread.
Disclosure of Invention
In view of this, the utility model provides a battery module and a battery pack, so as to solve the problems that the aerogel used in the prior art may cause electrical breakdown during charging and discharging of the battery pack, and the insulation and voltage resistance of the whole module can be affected after sufficient moisture is absorbed, and a buffer space cannot be provided for a battery cell, so that the cycle life of the battery cell is reduced after the battery cell is combined into the module; the foam cannot resist high temperature, and after the temperature of the battery cell exceeds 200 ℃, the foam cannot bear high temperature, so that the heat insulation effect cannot be achieved any more, and the problem of heat spreading of the battery cell easily occurs.
The technical scheme of the utility model is realized as follows:
in a first aspect, the present utility model provides a battery module, including two side plates, two end plates, and a plurality of electric cells, the end plates are respectively connected with ends of the two side plates to form a frame, the electric cells are disposed in the frame, the battery module further includes a liquid cooling plate, wherein:
the two side plates are horizontally arranged at intervals in an opposite mode;
the large surface of the battery cell faces the side plates, a plurality of battery cells are stacked between the two side plates, the battery cell at the lowest layer and the battery cell at the uppermost layer are respectively bonded with the two side plates, and the battery cell at the leftmost side and the battery cell at the rightmost side are respectively bonded with the two end plates;
the liquid cooling plates are vertically arranged between the two side plates, and the liquid cooling plates are respectively bonded with the electric cores on two sides of the liquid cooling plates.
On the basis of the above technical scheme, preferably, the inner sides of the side plates and the end plates are coated with structural adhesive, the battery cell at the lowest layer and the battery cell at the uppermost layer are respectively bonded with the two side plates through the structural adhesive, and the battery cell at the leftmost side and the battery cell at the rightmost side are respectively bonded with the two end plates through the structural adhesive.
On the basis of the technical scheme, preferably, the two side surfaces of the liquid cooling plate are coated with heat conducting glue, and the electric cores on the two sides of the liquid cooling plate are respectively bonded with the liquid cooling plate through the heat conducting glue.
On the basis of the technical scheme, the battery pack also preferably comprises a heat insulation pad, wherein the heat insulation pad is arranged on the contact surface between two adjacent battery cells.
On the basis of the above technical solution, preferably, the flow direction of the liquid inside the liquid cooling plate is parallel to the side plate.
On the basis of the above technical scheme, preferably, the liquid cooling plate is internally provided with a first reinforcing rib.
On the basis of the technical scheme, preferably, the two ends of the liquid cooling plate are provided with the water inlet pipe and the water outlet pipe, the end plate is provided with the avoidance hole, and the avoidance hole is used for the water inlet pipe or the water outlet pipe to pass through.
On the basis of the technical scheme, preferably, the water inlet pipe and the water outlet pipe are both provided with buckles, and the buckles are used for being connected with an external water pipe in a clamping mode.
On the basis of the technical scheme, preferably, the outer side face of the side plate is provided with second reinforcing ribs.
On the basis of the technical scheme, preferably, the end plate is further provided with a lifting hole.
In a second aspect, the utility model provides a battery pack, which comprises a battery box and the battery module, wherein the battery module is arranged in the battery box.
Compared with the prior art, the battery module has the following beneficial effects:
(1) The large surface of the battery cells faces the side plates, a plurality of battery cells are stacked between the two side plates, and the battery cells at the lowest layer and the battery cells at the uppermost layer are respectively bonded with the two side plates; the liquid cooling plates are respectively adhered to the electric cores at the two sides of the liquid cooling plates, the liquid cooling plates separate the electric cores at the two sides and radiate heat, and as the heat of the electric cores is mostly transferred through the large surface, the large surface of the electric core is stacked towards the side plate, when the electric cores of the module are in thermal runaway, the electric cores can be only transferred to the electric cores in the same vertical column at most, and the electric cores in other vertical columns are not influenced, so that the risk of spontaneous combustion of the battery module is reduced, and the safety of the battery pack is greatly improved;
(2) The large surface of the battery cells faces the side plates, and a plurality of battery cells are stacked between the two side plates, so that the space in the vertical direction can be fully utilized;
(3) The side plates and the inner side surfaces of the end plates are coated with structural adhesive, the battery cells on the lowest layer and the battery cells on the uppermost layer are respectively adhered to the two side plates through the structural adhesive, the battery cells on the leftmost side and the battery cells on the rightmost side are respectively adhered to the two end plates through the structural adhesive, after the structural adhesive is solidified, the side plates, the end plates and the battery cells can be completely adhered together, and the structural strength of the module is greatly improved.
(4) The two sides of the liquid cooling plate are coated with heat conducting glue, and the electric cores at the two sides of the liquid cooling plate are respectively bonded with the liquid cooling plate through the heat conducting glue, so that the electric cores and the liquid cooling plate can be bonded and fixed, heat can be guided to the liquid cooling plate, and the heat dissipation effect of the electric cores is improved;
(5) Through set up the heat insulating mattress on the contact surface between two adjacent electric cores, separate the adjacent electric core of every vertical row, the cooperation liquid cooling board separates the electric core of two horizontal rows to make each electric core between all separate each other, make the heat transfer between every electric core and the adjacent electric core reduce, thereby can further prevent the heat spreading.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded view of a battery module according to the present utility model;
FIG. 2 is a schematic view of the assembled end plate and cover plate of the present utility model;
FIG. 3 is a cross-sectional view of a liquid cooling plate according to the present utility model;
FIG. 4 is a perspective view of an end plate of the present utility model;
fig. 5 is a schematic diagram of a mechanism for mounting a battery cell and a heat insulation pad according to the present utility model.
Reference numerals illustrate: 1-side plates and 11-second reinforcing ribs; 2-end plates, 21-avoidance holes and 22-hoisting holes; 3-an electric core; 4-liquid cooling plates, 41-first reinforcing ribs, 42-water inlet pipes, 43-water outlet pipes and 44-buckles; 5-structural adhesive; 6-heat conducting glue; 7-heat insulation pad.
Detailed Description
The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.
Referring to fig. 1-5, an embodiment of the present utility model provides a battery module, which includes two side plates 1, two end plates 2, and a plurality of electric cells 3, wherein the end plates 2 are respectively connected with ends of the two side plates 1 to form a frame, the electric cells 3 are placed in the frame, and the battery module further includes a liquid cooling plate 4, wherein:
the two side plates 1 are horizontally arranged at intervals oppositely;
the large surface of the battery cell 3 faces the side plates 1, a plurality of battery cells 3 are stacked between the two side plates 1, the battery cell 3 at the lowest layer and the battery cell 3 at the uppermost layer are respectively bonded with the two side plates 1, and the battery cell 3 at the leftmost side and the battery cell 3 at the rightmost side are respectively bonded with the two end plates 2;
the liquid cooling plates 4 are vertically arranged between the two side plates 1, and the liquid cooling plates 4 are respectively bonded with the electric cores 3 on two sides of the liquid cooling plates 4.
In this embodiment, install self-plugging rivet respectively in the mounting hole of curb plate 1 and end plate 2 through the riveter, be connected end plate 2 and curb plate 1, compare in traditional technology and use the mode that welding was connected curb plate 1 and end plate, saved the welding process, need not to use welding equipment, need not carry out a large amount of welded verification, and need not spend a lot of time debugging welding equipment, greatly reduced the cost.
In this embodiment, the battery module is provided, the large surface of the battery cells 3 faces the side plates 1, a plurality of battery cells 3 are stacked between the two side plates 1, and the battery cells 3 at the lowest layer and the battery cells 3 at the uppermost layer are respectively bonded with the two side plates 1; the liquid cooling plates 4 are respectively adhered to the electric cores 3 at the two sides of the liquid cooling plates 4, the liquid cooling plates 4 separate the electric cores 3 at the two sides and radiate heat, as the heat of the electric cores 3 is mostly transferred through a large surface, the large surface of the electric cores 3 is stacked towards the side plate 1, when the electric cores 3 of the module are out of control, the heat of the electric cores 3 of the module can be transferred to the electric cores 3 of the same vertical column at most, and the electric cores 3 of other vertical columns are not influenced, so that the risk of spontaneous combustion of the battery module is reduced, and the safety of the battery pack is greatly improved; in addition, the large surface of the battery cells 3 faces the side plates 1, so that a plurality of battery cells 3 are stacked between the two side plates 1, and the space in the vertical direction can be fully utilized.
In some embodiments, the inner sides of the side plates 1 and the end plates 2 are coated with structural adhesive 5, the lowermost battery cell 3 and the uppermost battery cell 3 are respectively bonded to the two side plates 1 through the structural adhesive 5, and the leftmost battery cell 3 and the rightmost battery cell 3 are respectively bonded to the two end plates 2 through the structural adhesive 5. Through curb plate 1 with the medial surface of end plate 2 is scribbled structural adhesive 5, the lower floor electric core 3 with the upper strata electric core 3 respectively through structural adhesive 5 bonds with two curb plate 1, leftmost electric core 3 with rightmost electric core 3 respectively through structural adhesive 5 bonds with two end plate 2, and structural adhesive 5 solidifies the back, can paste curb plate 1, end plate 2 and electric core 3 together completely, very big improvement the structural strength of module.
In some embodiments, the two sides of the liquid cooling plate 4 are coated with heat-conducting glue 6, and the electric cores 3 at two sides of the liquid cooling plate 4 are respectively bonded with the liquid cooling plate 4 through the heat-conducting glue 6. The two sides of the liquid cooling plate 4 are coated with the heat conducting glue 6, the electric cores 3 on two sides of the liquid cooling plate 4 are respectively bonded with the liquid cooling plate 4 through the heat conducting glue 6, so that the electric cores 3 and the liquid cooling plate 4 can be bonded and fixed, and the heat emitted by the electric cores 3 can be guided to the liquid cooling plate 4 through the heat conducting glue 6, and the heat dissipation effect of the electric cores 3 is improved.
In some embodiments, to ensure that heat between adjacent cells 3 of each column is not transferred to each other, the battery module further comprises a heat insulation pad 7, the heat insulation pad 7 being disposed on the contact surface between two adjacent cells 3. Through set up heat insulating mattress 7 on the contact surface between two adjacent electric core 3, separate the adjacent electric core 3 of every vertical row, cooperate liquid cooling board 4 to separate the electric core 3 of two horizontal rows to make each electric core 3 separate each other, make the heat transfer between every electric core 3 and the adjacent electric core 3 reduce, thereby can further prevent the heat spreading.
In some embodiments, the flow direction of the liquid inside the liquid cooling plate 4 is parallel to the side plate 1. The flow direction of the liquid in the liquid cooling plate 4 is parallel to the side plate 1, so that all the electric cores 3 bonded by the liquid cooling plate 4 can be cooled, the temperature of the electric cores 3 can be reduced, the occurrence of spontaneous combustion of batteries due to overhigh temperature of the electric cores 3 is avoided, and the stability and reliability of the device are improved.
In some embodiments, the liquid cooling plate 4 is provided with first ribs 41 inside. The first strengthening ribs 41 are arranged in a plurality, the first strengthening ribs 41 are arranged at intervals and are parallel to the side plates 1, the first strengthening ribs 41 are arranged inside the liquid cooling plates 4, the liquid cooling plates 4 are strengthened, and the phenomenon that the liquid flowing is blocked due to bending caused by insufficient strength of the liquid cooling plates 4 after the battery cell 3 is bonded with the liquid cooling plates 4 is avoided, so that the reliability and stability of the device are improved, and meanwhile, the overall strength of the battery module can be improved.
In some embodiments, the liquid cooling plate 4 is provided with a water inlet pipe 42 and a water outlet pipe 43 at two ends, and the end plate 2 is provided with a dodging hole 21, where the dodging hole 21 is used for the water inlet pipe 42 or the water outlet pipe 43 to pass through. The water inlet pipe 42 and the water outlet pipe 43 of the liquid cooling plate 4 can pass through the end plate 2 through the avoidance holes 21, and the avoidance holes 21 play a role in avoidance so that the water inlet pipe 42 and the water outlet pipe 43 are connected with an external water pipe after the side plate 1 and the end plate 2 are assembled.
In some embodiments, the water inlet pipe 42 and the water outlet pipe 43 are provided with a buckle 44, and the buckle 44 is used for being clamped with an external water pipe. Through inlet tube 42 with all be provided with buckle 44 on the outlet pipe 43, through buckle 44 and external water pipe joint, be convenient for connect and dismantle, improve installation effectiveness and convenience.
In some embodiments, the outer side of the side plate 1 is provided with second reinforcing ribs 11. The second reinforcing ribs 11 are arranged in a staggered manner in the transverse and longitudinal directions, the outer side face of the side plate 1 is reinforced in the transverse and longitudinal directions, the strength of the side plate 1 is improved to a great extent, the bearing capacity of the battery cell 3 is improved, the overall strength of the battery module is improved, and the reliability and the stability of the device are improved.
In some embodiments, the end plate 2 is further provided with a lifting hole 22. Through the setting of lifting hole 22, when placing battery module in the box of battery package, can hang on lifting hole 22 through the couple of crane, with battery module hoist and mount to the battery package in, improve battery module's the efficiency of transferring to improve battery package's packaging efficiency. Of course, in other situations, for example, when the battery module needs to be transferred to a warehouse for storage or to another station, the lifting hole 22 may be used.
The working principle of the battery module is as follows: through the big orientation of electric core 3 through electric core 3 the electric core 3 stacks in two between the curb plate 1, the lower floor electric core 3 with the electric core 3 of the upper most respectively through structural adhesive 5 bonds with two curb plate 1, leftmost electric core 3 with the electric core 3 of right side respectively through structural adhesive 5 bonds with two end plate 2, the both sides face of liquid cooling board 4 all scribbles heat conduction glue 6, electric core 3 of liquid cooling board 4 both sides respectively through heat conduction glue 6 with liquid cooling board 4 bonds, installs the blind rivet respectively in the mounting hole of curb plate 1 and end plate 2 through the rivet gun, after structural adhesive 5 and heat conduction glue 6 solidify, the module is ready. The liquid cooling plates 4 separate the electric cores 3 at two sides and radiate heat, and as the heat of the electric cores 3 is mostly transferred through large surfaces, the large surfaces of the electric cores 3 are stacked towards the side plates 1, when the electric cores 3 of the module are out of control, the heat can be transferred to the electric cores 3 of the same vertical column at most, the electric cores 3 of other vertical columns can not be influenced, thus reducing the risk of spontaneous combustion of the battery module and greatly improving the safety of the battery pack; in addition, the large surface of the battery cells 3 faces the side plates 1, so that a plurality of battery cells 3 are stacked between the two side plates 1, and the space in the vertical direction can be fully utilized.
Based on the same conception, the embodiment of the utility model also provides a battery pack, which comprises a battery box and the battery module, wherein the battery module is arranged in the battery box.
In the battery pack provided by the embodiment, in the battery module, the large surface of the battery core 3 is stacked towards the side plate 1, when the battery core 3 of the module is out of control, the battery core 3 can be transferred to the battery core 3 in the same vertical column at most, and the battery cores 3 in other vertical columns cannot be influenced, so that the risk of spontaneous combustion of the battery module is reduced, and the safety of the battery pack is greatly improved; in addition, the large surface of the battery cells 3 faces the side plates 1, so that a plurality of battery cells 3 are stacked between the two side plates 1, and the space in the vertical direction can be fully utilized.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The utility model provides a battery module, includes two curb plates (1), two end plates (2) and a plurality of electric core (3), end plate (2) respectively with two end connection of curb plate (1) forms the frame, a plurality of electric core (3) place in the frame, its characterized in that still includes liquid cooling board (4), wherein:
the two side plates (1) are oppositely arranged at a horizontal interval;
the large surface of each battery cell (3) faces the corresponding side plate (1), a plurality of battery cells (3) are stacked between the two side plates (1), the battery cells (3) at the lowest layer and the battery cells (3) at the uppermost layer are respectively bonded with the two side plates (1), and the battery cells (3) at the leftmost side and the battery cells (3) at the rightmost side are respectively bonded with the two end plates (2);
the liquid cooling plates (4) are vertically arranged between the two side plates (1), and the liquid cooling plates (4) are respectively bonded with the electric cores (3) on two sides of the liquid cooling plates (4).
2. The battery module according to claim 1, wherein the inner side surfaces of the side plates (1) and the end plates (2) are coated with structural adhesive (5), the lowermost battery cell (3) and the uppermost battery cell (3) are respectively bonded with the two side plates (1) through the structural adhesive (5), and the leftmost battery cell (3) and the rightmost battery cell (3) are respectively bonded with the two end plates (2) through the structural adhesive (5).
3. The battery module according to claim 2, wherein both sides of the liquid cooling plate (4) are coated with heat conducting glue (6), and the electric cores (3) on both sides of the liquid cooling plate (4) are respectively adhered to the liquid cooling plate (4) through the heat conducting glue (6).
4. A battery module according to claim 3, further comprising a heat insulating pad (7), the heat insulating pad (7) being arranged on the contact surface between two adjacent cells (3).
5. The battery module according to claim 4, wherein the flow direction of the liquid inside the liquid cooling plate (4) is parallel to the side plate (1).
6. The battery module according to claim 5, wherein the liquid cooling plate (4) is provided inside with first reinforcing ribs (41).
7. The battery module according to claim 6, wherein the liquid cooling plate (4) is provided with a water inlet pipe (42) and a water outlet pipe (43) at both ends, the end plate (2) is provided with a dodging hole (21), and the dodging hole (21) is used for the water inlet pipe (42) or the water outlet pipe (43) to pass through.
8. The battery module according to claim 7, wherein the outer side surface of the side plate (1) is provided with second reinforcing ribs (11).
9. The battery module according to any one of claims 1 to 8, wherein the end plate (2) is further provided with a hanging hole (22).
10. A battery pack comprising a battery case and the battery module according to any one of claims 1 to 9, the battery module being placed in the battery case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322465300.4U CN220753565U (en) | 2023-09-12 | 2023-09-12 | Battery module and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322465300.4U CN220753565U (en) | 2023-09-12 | 2023-09-12 | Battery module and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220753565U true CN220753565U (en) | 2024-04-09 |
Family
ID=90552701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322465300.4U Active CN220753565U (en) | 2023-09-12 | 2023-09-12 | Battery module and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220753565U (en) |
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2023
- 2023-09-12 CN CN202322465300.4U patent/CN220753565U/en active Active
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