CN209993636U - Battery module - Google Patents
Battery module Download PDFInfo
- Publication number
- CN209993636U CN209993636U CN201920573553.4U CN201920573553U CN209993636U CN 209993636 U CN209993636 U CN 209993636U CN 201920573553 U CN201920573553 U CN 201920573553U CN 209993636 U CN209993636 U CN 209993636U
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- Prior art keywords
- battery
- battery module
- plate
- plates
- phase change
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- 239000012782 phase change material Substances 0.000 claims abstract description 30
- 238000002955 isolation Methods 0.000 claims abstract description 22
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 7
- 229920000742 Cotton Polymers 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000004382 potting Methods 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000002269 spontaneous effect Effects 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
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
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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides a battery module, which comprises a plurality of isolation plates arranged oppositely at intervals, a plurality of battery modules which are respectively clamped between two adjacent insulation baffle plates and arranged side by side, end plates which are respectively butted at two ends of the plurality of battery modules and a protective shell which is used for wrapping the plurality of battery modules; each battery module comprises a plurality of battery units arranged side by side and a phase change material plate clamped between two adjacent battery units; the protective housing comprises a bottom plate and an outer shell, wherein the bottom plate is connected with the protective housing in an abutting mode and the outer shell is surrounded by the bottom plate to form an accommodating cavity, the accommodating cavity accommodates the plurality of isolation plates and the plurality of battery modules, and the two end plates are located at two ends of the accommodating cavity respectively. The utility model provides a battery module, simple structure, heat dissipation thermal insulation performance are better relatively and factor of safety is high.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a power battery field especially relates to a battery module.
[ background of the invention ]
Lithium ion batteries have become the mainstream of electric batteries for vehicles due to their advantages in terms of energy density, no emission pollution, and the like. However, the performance of the lithium ion battery is greatly influenced by the temperature, and the influence of the working temperature on the electrochemical performance, the service life and the safety of the lithium ion battery is very obvious. The exothermic reaction of the battery in the charging and discharging process can generate a large amount of heat, and if the generated heat is not effectively dissipated, the internal temperature of the battery can be rapidly increased, so that the capacity, the internal resistance, the power output and the service life of the battery are influenced, and even the safety problems such as thermal runaway and the like are caused. In addition, when the temperature is too low, the charging efficiency of the lithium ion battery is reduced, the Li + dynamic property is deteriorated, lithium can be separated out on the cathode material, and the diaphragm is punctured, so that a series of chemical reactions are initiated to cause failure.
The structural style of the existing module at present determines that the battery pack dispersion mode mainly has two types: 1) natural heat dissipation is achieved, the natural heat dissipation efficiency is low, and the module temperature is increased, so that the long-time work of the battery cell is not facilitated; 2) liquid cooling heat dissipation, which belongs to a passive heat dissipation mode, needs to consume certain energy to realize heat dissipation action, is not energy-saving, and is easy to cause large temperature difference of a battery cell; and the liquid cooling device has a complex structure, occupies a certain space, and has risks such as liquid leakage and the like.
In view of the above, it is desirable to provide a novel battery module to overcome the above-mentioned drawbacks.
[ Utility model ] content
The utility model aims at providing a simple structure, heat dissipation thermal insulation performance are better relatively and factor of safety is high battery module.
In order to achieve the above object, the present invention provides a battery module, which includes a plurality of separators oppositely disposed at intervals, a plurality of battery modules respectively sandwiched between two adjacent insulating separators and arranged side by side, end plates respectively abutting against two ends of the plurality of battery modules, and a protective casing for covering the plurality of battery modules; each battery module comprises a plurality of battery units arranged side by side and a phase change material plate clamped between two adjacent battery units; the protective housing comprises a bottom plate and an outer shell, wherein the bottom plate is connected with the protective housing in an abutting mode and the outer shell is surrounded by the bottom plate to form an accommodating cavity, the accommodating cavity accommodates the plurality of isolation plates and the plurality of battery modules, and the two end plates are located at two ends of the accommodating cavity respectively.
In a preferred embodiment, the battery cell is rectangular and comprises two first surfaces which are opposite to each other; the phase change material plates are rectangular and correspond to the first surfaces in shape, and the surfaces, opposite to each other, of each phase change material plate are respectively abutted against the first surfaces of two adjacent battery units in the battery module.
In a preferred embodiment, the phase change material plate is an aluminum foam composite paraffin phase change material.
In a preferred embodiment, the separators are rectangular and have a shape corresponding to the first surface, and each separator abuts against the first surface of the battery cell away from the phase change material plate.
In a preferred embodiment, the battery cell further includes two second surfaces respectively connecting the two first surfaces; the bottom plate is rectangular and abuts against one second surface of each battery unit; the shell comprises a top plate and side plates formed by vertically extending edges on two opposite sides of the top plate, the top plate is abutted to one second surface of each battery unit and is arranged opposite to the bottom plate at intervals, and the two side plates are respectively abutted to two isolation plates on two sides of the isolation plates.
In a preferred embodiment, the battery unit further includes two end faces respectively connecting the two first surfaces, and each end plate abuts against an end face of the battery unit of each battery module.
In a preferred embodiment, the battery module further includes an insulating plate; the battery module comprises a plurality of battery units, wherein a positive connector and a negative connector are arranged on one end face of each battery unit, the end faces of the battery units of the plurality of battery modules, which are provided with the positive connectors, and the negative connectors, are located at the same end, and an insulating plate is arranged between the end face of each battery unit, which is provided with the positive connectors and the negative connectors, and the end plate.
In a preferred embodiment, the battery module further includes a potting adhesive layer, and the potting adhesive layer is poured between the second surface of each battery cell, a gap between each battery cell and the corresponding phase change material layer, and a gap between each battery module and the corresponding isolation plate.
In a preferred embodiment, the number of the battery cells in each battery module is two, and the number of the phase change material plates is one.
In a preferred embodiment, the material of the isolation board is heat-insulating flame-retardant cotton
The utility model provides a battery module, through set up the phase change material board between the adjacent battery cell in each battery module, guarantee each battery cell to maintain in certain temperature range; each battery module is arranged between adjacent isolation plate surfaces and used for buffering the combustion speed of a spontaneous combustion accident; through the second surface of battery unit sets up potting glue layer strengthens battery module's integration and ability such as dampproofing and waterproofing. The utility model provides a battery module, simple structure, heat dissipation thermal insulation performance are better relatively and factor of safety is high.
[ description of the drawings ]
Fig. 1 is a perspective view of a battery module according to the present invention.
Fig. 2 is a sectional view of the battery module shown in fig. 1.
Fig. 3 is a perspective view of a battery cell in the battery module shown in fig. 2.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.
Referring to fig. 1 and 2, the present invention provides a battery module 100, which includes a plurality of separators 10 disposed at opposite intervals, a plurality of battery modules 20 respectively sandwiched between two adjacent insulating separators 10 and arranged side by side, end plates 30 respectively abutted to two ends of the plurality of battery modules 20, and a protective casing 40 for covering the plurality of battery modules 20.
Referring to fig. 3, each battery module 20 includes a plurality of battery cells 21 arranged side by side and a phase change material plate 22 sandwiched between two adjacent battery cells 21. In this embodiment, the battery unit 21 is rectangular and includes two first surfaces 211 opposite to each other, and two second surfaces 212 and two end surfaces 213 respectively connecting the two first surfaces 211; the phase change material plates 22 are rectangular and correspond to the first surfaces 211 in shape, and the opposite surfaces of each phase change material plate 22 abut against the first surfaces 211 of two adjacent battery units 21 in the battery module 10. Each phase change material plate 22 substantially abuts one first surface 211 of each corresponding battery cell 21 and exchanges heat with the corresponding battery cell 21.
Specifically, each battery unit 21 generates a large amount of heat under the condition of high-power charging or high-power discharging, and the phase change material plate 22 can absorb the heat of the corresponding battery unit 21, so that the temperature of the corresponding battery unit 21 is maintained within a normal working range; under the condition that each battery unit 21 does not work and is at a low temperature (generally-20-0 ℃), the phase change material plate 22 can provide heat for the corresponding battery unit 21, so that the temperature of the corresponding battery unit 21 can be maintained within a certain range, the charge and discharge power of the battery unit 21 is ensured, and the service life of each battery unit 21 is protected.
In this embodiment, the phase change material plate 22 is a foamed aluminum composite paraffin phase change material. The number of the battery cells 21 in each battery module 20 is two, and the number of the phase change material plates 22 is one and is sandwiched between two battery cells 21.
The isolation plates 10 are rectangular and correspond to the first surface 211 in shape, each isolation plate 10 abuts against the first surface 211, far away from the phase change material plate 22, of the battery unit 21, so that two adjacent battery modules 20 are sufficiently isolated and used for isolating and protecting other battery modules 20 under the condition that a certain battery module 20 has an accident of spontaneous combustion due to overhigh temperature or puncture of foreign objects, and the loss possibly caused by the accident is reduced. In the present embodiment, the material of the isolation plate 10 is heat-insulating flame-retardant cotton, which is used to prevent heat transfer of the battery units 21 respectively abutting against the two opposite sides of the isolation plate 10 and prevent the temperature of one of the battery modules 20 from being too high; and on the other hand, to buffer the combustion rate of the battery module 20 when auto-ignition of the battery module 21 occurs.
Each end plate 30 abuts against an end face 213 of the battery cell 21 of each battery module 20. The protective housing 40 includes a bottom plate 41 and a housing 42 connected to the bottom plate 41 in an abutting manner and enclosing a receiving cavity (not shown) with the bottom plate 41. The accommodating cavity accommodates the plurality of separators 10 and the plurality of battery modules 20, and the two end plates 30 are respectively located at two ends of the accommodating cavity and are used for wrapping and protecting the plurality of battery modules 20.
Specifically, the bottom plate 41 is rectangular and abuts against one second surface 212 of each battery unit 21; the housing 42 includes a top plate 421 and side plates 422 vertically extending from opposite side edges of the top plate 421, the top plate 421 abuts against one second surface 212 of each battery unit 21 and is disposed opposite to the bottom plate 41 at an interval, and the two side plates 422 respectively abut against the two isolation plates 10 on two sides of the isolation plates 10.
Further, the side plate 422 comprises a base plate 4221 and two connecting plates 4222 extending from two opposite ends of the base plate 4221, wherein the base plate 4221 is rectangular and has a shape corresponding to the first side surface 211, and the base plate 4221 abuts against the first side surface 211; each of the connection plates 4222 abuts against one end of the end plate 30, and the housing 42 is fixedly connected to the end plate 30 by using a fixing member such as a screw.
The battery module 100 further includes an insulating plate 50, and the insulating plate 50 is located between the end plate 30 and the end surfaces of the plurality of battery cells 21. Specifically, one end face 213 of each battery unit 21 is provided with a positive electrode tab and a negative electrode tab, the end faces 213 of the battery units 21 of the plurality of battery modules 20 provided with the positive electrode tabs and the negative electrode tabs are located at the same end, and the battery units 21 of the plurality of battery modules 20 are connected with the corresponding positive electrode tabs and the corresponding negative electrode tabs through the electric connecting sheet, so that the connection of the battery units 21 of the plurality of battery modules 20 is realized, and the positive electrode leading-out end 23 and the negative electrode leading-out end 24 are respectively led out. The insulating plate 50 is disposed between the end surface 213 of the battery cell 21, which is provided with the positive terminal and the negative terminal, and the end plate 30, and is used for isolating the connecting sheet connecting the positive terminal and the negative terminal and preventing the connecting sheet from being abutted against the end plate 30 to cause a short circuit.
The battery module 100 further includes a potting adhesive layer (not shown), which is poured between the second surface 212 of each battery unit 21, the gap between each battery unit 21 and the corresponding phase change material layer 22, and the gap between each battery module 20 and the corresponding separator 10, so as to integrate each battery module 20 and the plurality of battery modules 20 and the plurality of separators 10. The pouring sealant layer can also play roles of water resistance, moisture resistance, dust prevention, insulation, heat conduction, confidentiality, corrosion resistance, temperature resistance and shock resistance after being cured.
The utility model provides a battery module 100, through set up phase change material board 22 between the adjacent battery unit 21 in each battery module 20, guarantee that each battery unit 21 maintains in certain temperature range; by disposing each battery module 20 between adjacent partition plate surfaces 10, the combustion speed of the spontaneous combustion accident is buffered; the potting adhesive layer is arranged on the second surface 212 of the battery unit 21, so that the integration, water resistance, moisture resistance and other capabilities of the battery module 100 are enhanced. The utility model provides a battery module 100, simple structure, heat dissipation thermal insulation performance are better relatively and factor of safety is high.
The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.
Claims (10)
1. A battery module, its characterized in that: the battery pack comprises a plurality of isolation plates which are oppositely arranged at intervals, a plurality of battery modules which are respectively clamped between two adjacent insulation isolation plates and are arranged side by side, end plates which are respectively abutted against two ends of the plurality of battery modules, and a protective shell which is used for wrapping the plurality of battery modules; each battery module comprises a plurality of battery units arranged side by side and a phase change material plate clamped between two adjacent battery units; the protective housing comprises a bottom plate and an outer shell, wherein the bottom plate is connected with the protective housing in an abutting mode and the outer shell is surrounded by the bottom plate to form an accommodating cavity, the accommodating cavity accommodates the plurality of isolation plates and the plurality of battery modules, and the two end plates are located at two ends of the accommodating cavity respectively.
2. The battery module according to claim 1, wherein: the battery unit is cuboid and comprises two first surfaces which are opposite to each other; the phase change material plates are rectangular and correspond to the first surfaces in shape, and the surfaces, opposite to each other, of each phase change material plate are respectively abutted against the first surfaces of two adjacent battery units in the battery module.
3. The battery module according to claim 1, wherein: the phase change material plate is a foamed aluminum composite paraffin phase change material.
4. The battery module according to claim 2, wherein: the isolation plates are rectangular and correspond to the first surfaces in shape, and each isolation plate abuts against the first surface, far away from the phase change material plate, of the battery unit.
5. The battery module according to claim 2, wherein: the battery unit further includes two second surfaces respectively connecting the two first surfaces; the bottom plate is rectangular and abuts against one second surface of each battery unit; the shell comprises a top plate and side plates formed by vertically extending edges on two opposite sides of the top plate, the top plate is abutted to one second surface of each battery unit and is arranged opposite to the bottom plate at intervals, and the two side plates are respectively abutted to two isolation plates on two sides of the isolation plates.
6. The battery module according to claim 5, wherein: the battery unit further comprises two end faces respectively connected with the two first surfaces, and each end plate abuts against the end face of the battery unit of each battery module.
7. The battery module according to claim 6, wherein: also comprises an insulating plate; the battery module comprises a plurality of battery units, wherein a positive connector and a negative connector are arranged on one end face of each battery unit, the end faces of the battery units of the plurality of battery modules, which are provided with the positive connectors, and the negative connectors, are located at the same end, and an insulating plate is arranged between the end face of each battery unit, which is provided with the positive connectors and the negative connectors, and the end plate.
8. The battery module according to claim 5, wherein: the battery module further comprises a pouring sealant layer, wherein the pouring sealant layer is poured among the second surface of each battery unit, the gap between each battery unit and the corresponding phase change material layer, and the gap between each battery module and the corresponding isolation plate.
9. The battery module according to claim 1, wherein: the number of the battery units in each battery module is two, and the number of the phase change material plates is one.
10. The battery module according to claim 1, wherein: the material of division board is thermal-insulated fire-retardant cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573553.4U CN209993636U (en) | 2019-04-23 | 2019-04-23 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920573553.4U CN209993636U (en) | 2019-04-23 | 2019-04-23 | Battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209993636U true CN209993636U (en) | 2020-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920573553.4U Active CN209993636U (en) | 2019-04-23 | 2019-04-23 | Battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209993636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430837A (en) * | 2020-03-16 | 2020-07-17 | 深圳航美新材料科技有限公司 | Heat management method of lithium battery semi-finished product and manufacturing method of lithium battery |
-
2019
- 2019-04-23 CN CN201920573553.4U patent/CN209993636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430837A (en) * | 2020-03-16 | 2020-07-17 | 深圳航美新材料科技有限公司 | Heat management method of lithium battery semi-finished product and manufacturing method of lithium battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211126 Address after: 313000 building 6-7, No. 666, tunheng Road, Nanxun Town, Nanxun District, Huzhou City, Zhejiang Province Patentee after: HUZHOU XINYUAN BATTERY SYSTEM TECHNOLOGY Co.,Ltd. Address before: No. 18, Yingbin Avenue, Zhaoqing high tech Zone, Guangdong, Guangdong Patentee before: ZHAOQING AOYOU POWER BATTERY CO.,LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231214 Address after: 313000, No. 18-203, Industrial Road, High tech Zone, Wuxing District, Huzhou City, Zhejiang Province (self declared) Patentee after: Zhejiang Aobei Electronics Co.,Ltd. Address before: 313000 building 6-7, No. 666, tunheng Road, Nanxun Town, Nanxun District, Huzhou City, Zhejiang Province Patentee before: HUZHOU XINYUAN BATTERY SYSTEM TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |