CN111600092A - Super wide high security lithium ion power battery system in temperature domain - Google Patents
Super wide high security lithium ion power battery system in temperature domain Download PDFInfo
- Publication number
- CN111600092A CN111600092A CN201910128130.6A CN201910128130A CN111600092A CN 111600092 A CN111600092 A CN 111600092A CN 201910128130 A CN201910128130 A CN 201910128130A CN 111600092 A CN111600092 A CN 111600092A
- Authority
- CN
- China
- Prior art keywords
- battery
- liquid cooling
- lithium ion
- ion power
- power battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a super-wide temperature range high-safety lithium ion power battery system which comprises a battery box upper cover, an upper grid liquid cooling plate, a lower grid liquid cooling plate and a battery box body, wherein the battery box upper cover is arranged at the top of the battery box body, at least one group of battery modules are arranged in the battery box body, a module bracket is adopted beside each battery module, a single battery cell is arranged in each module, the upper grid liquid cooling plate is arranged between each battery module and the battery box upper cover, and the upper grid liquid cooling plate and the lower grid liquid cooling plate are adopted to effectively dissipate heat of the battery modules in the lithium ion power battery system, so that the defect that the lithium ion power battery system dissipates heat through a soft package lithium battery in the prior art is effectively overcome.
Description
Technical Field
The invention relates to a battery system, in particular to a lithium ion power battery system with ultra-wide temperature range and high safety.
Background
With the progress of the times, the number of automobiles is greatly increased, the high-speed development of human social economy and modern civilization is promoted, meanwhile, the serious energy and environment problems are brought, energy conservation and environmental protection become one of the subjects of automobile technology development, and new energy automobiles gradually enter the daily life of people along with the pursuit of low-carbon life.
As the heart of a new energy automobile, the working performance and the service life of a power battery system are greatly influenced by the ambient temperature, and when the power battery system is charged at low temperature, because lithium ions are difficult to be embedded into a negative electrode graphite layer, the internal polarization of the battery is increased, and the battery cannot be charged; or lithium ions are deposited on the surface of the negative electrode to form lithium dendrites, so that potential safety hazards are caused, the performance of the battery is greatly attenuated during low-temperature discharge, and under the condition of high temperature, the battery pack rapidly loses working capacity due to rapid attenuation of battery capacity caused by a large amount of irreversible side reactions inside the battery, and even the battery can be further ignited and exploded due to the fact that heat inside the battery cannot be dissipated.
In the prior art, for example, patent No. CN201721635883.9, an integrated lithium ion power battery system includes a modular battery module composed of a plurality of battery module units, a module management system, a module fixing block and a module external bracket, where the module fixing block includes a front fixing block, a right fixing block, a left fixing block and a rear fixing block, and the four modules of the front fixing block, the right fixing block, the left fixing block and the rear fixing block are respectively fastened and fixed with the front, right, left and rear end faces of the modular battery module; the module outer support staple bolt is at the combination surface of modularization battery module and module fixed block, and this kind of battery module adopts the mode of soft packet of lithium cell to let the heat dissipation of lithium cell, and its radiating efficiency is lower, has the radiating cycle length, and in addition, when the battery module is radiating, the simple radiating efficiency who relies on battery itself only, the radiating effect of the whole power battery system of influence that will be great leads to power battery system to be whole can not adapt to the use needs in super wide temperature range simultaneously.
Disclosure of Invention
The invention provides a lithium ion power battery system with ultra-wide temperature range and high safety by adopting a grid liquid cooling plate technology, aiming at overcoming the defects that the lithium ion power battery system in the prior art is low in overall heat dissipation efficiency, is not suitable for use in the ultra-wide temperature range and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a high security lithium ion power battery system in super wide temperature range, includes battery box upper cover, upper grid liquid cooling board, lower floor's grid liquid cooling board, battery box, is provided with the battery box upper cover at the top of battery box, is provided with at least a set of battery module in the battery box, the other module support that adopts of battery module, is provided with monomer electricity core in it, battery module and battery box upper cover between be provided with upper grid liquid cooling board, be provided with upper heat conduction silica gel pad at upper grid liquid cooling board downside, be provided with lower floor's heat conduction silica gel pad at the downside of battery module, be provided with lower floor's grid liquid cooling board at lower floor's heat conduction silica gel pad battery box on be provided with liquid outlet and inlet, install battery management system in battery box inboard.
Foretell high security lithium ion power battery system in super wide temperature range is provided with the aluminium board at monomer electricity core downside, is provided with the busbar interface of welding on monomer electricity core, busbar interface one side of welding is provided with anodal busbar, busbar interface of welding set up towards the module support.
According to the ultra-wide temperature range high-safety lithium ion power battery system, the aluminum plate is an aluminum snake-shaped plate, and the aluminum snake-shaped plate is distributed on the module support and is close to the position of the bus bar welding interface.
According to the lithium ion power battery system with the ultra-wide temperature range and the high safety, the aluminum snake-shaped plate is provided with the through hole, and the outer surface of the aluminum snake-shaped plate is covered with the heat conducting film.
According to the lithium ion power battery system with the ultra-wide temperature range and the high safety, the heat conduction film is any one of a heat conduction graphite film, a heat conduction silica gel sheet, a high heat conduction polyimide film and a graphene heat conduction film.
According to the ultra-wide temperature range high-safety lithium ion power battery system, the snake-shaped radian on the aluminum snake-shaped plate is attached to the outer diameter of the single battery cell.
According to the super-wide temperature range high-safety lithium ion power battery system, the upper grid liquid cooling plate and the lower grid liquid cooling plate are hollow aluminum plates, and snake-shaped return pipes are arranged inside the upper grid liquid cooling plate and the lower grid liquid cooling plate.
According to the ultra-wide temperature range high-safety lithium ion power battery system, the positive electrode bus bar is an L-shaped plane.
The invention has the beneficial effects that: the lithium ion power battery system provided by the invention adopts the upper layer grid liquid cooling plate and the lower layer grid liquid cooling plate, so that the heat of the battery module in the lithium ion battery system is effectively dissipated, the defect that the lithium ion power battery system dissipates heat through the soft package lithium battery in the prior art is effectively overcome, the upper layer grid liquid cooling plate and the lower layer grid liquid cooling plate are added in the lithium ion battery system, the heat of the battery module can be rapidly taken out, and the lithium ion power battery system is particularly suitable for working environments in different temperature ranges, so that the lithium ion power battery system is suitable for ultra-wide temperature ranges.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a battery module.
Fig. 3 is a schematic view of a grid liquid cooling plate.
In the figure: 1 is the battery box upper cover, 2 is upper grid liquid cooling board, 3 is lower floor's grid liquid cooling board, 4 is the battery box, 5 is the battery module, 6 is the module support, 7 is upper heat conduction silica gel pad, 8 is lower floor's heat conduction silica gel pad, 9 is the liquid outlet, 10 is the inlet, 11 is the battery management system, 12 is single electric core, 13 is the aluminium board, 14 is the tray weld mouth that converges, 15 is anodal busbar.
Detailed Description
The invention will be further explained with reference to the accompanying drawings.
As shown in figure 1, the lithium ion power battery system with ultra-wide temperature range and high safety comprises a battery box upper cover 1, an upper grid liquid cooling plate 2, a lower grid liquid cooling plate 3 and a battery box body 4, the top of the battery box body 4 is provided with a battery box upper cover 1, at least one group of battery modules 5 are arranged in the battery box body 4, a module bracket 6 is adopted beside the battery modules 5, a single electric core 12 is arranged in the battery box, an upper grid liquid cooling plate 2 is arranged between the battery module 5 and the upper cover 1 of the battery box, an upper layer heat-conducting silica gel pad 7 is arranged at the lower side of the upper grid liquid-cooling plate 2, a lower layer heat-conducting silica gel pad 8 is arranged at the lower side of the battery module 5, a lower layer grid liquid-cooling plate 3 is arranged at the lower side of the lower layer heat-conducting silica gel pad 8, the battery box body 4 is provided with a liquid outlet 9 and a liquid inlet 10, and the inner side of the battery box body 4 is provided with a battery management system 11.
The aluminum plate 13 is arranged on the lower side of the single battery cell 12, the bus bar welding interface 14 is arranged on the single battery cell 12, the positive bus bar 15 is arranged on one side of the bus bar welding interface 14, the bus bar welding interface 14 is arranged facing the module support 6, and the bus bar welding interface 14 can be used for fixing the bus bar tray interface 14 on the module support 6 through independent work of the single battery cell 12.
As shown in fig. 2, the aluminum plate 13 is an aluminum snake-shaped plate, the aluminum snake-shaped plate is distributed on the module support 6 at a position close to the bus bar welding interface 14, and the aluminum snake-shaped plate is attached to the single battery cell 12, and the aluminum snake-shaped plate supports the single battery cell 12, so that the connection of the single battery cell 12 is more stable.
The aluminum snake-shaped plate is provided with a through hole, the outer surface of the aluminum snake-shaped plate is covered with a heat-conducting film, and the battery module in the power battery system can meet the requirements of use conditions in different temperature areas by means of the heat-conducting film.
The heat conducting film adopts any one of a heat conducting graphite film, a heat conducting silica gel sheet, a high heat conducting polyimide film and a graphene heat conducting film, so that the efficiency of heat conduction of the heat conducting film is continuously improved, and the heat dissipation efficiency of the lithium ion power battery system can be integrally improved.
In order to increase the heat dissipation efficiency of the whole power battery system and meet the heat dissipation requirements of different temperature areas, the aluminum snake-shaped plate is adopted, the snake-shaped radian on the aluminum snake-shaped plate is fitted on the outer diameter of the single battery cell 12, the upper grid liquid cooling plate 2 and the lower grid liquid cooling plate 3 adopt hollow aluminum plates, the heat dissipation requirement of the use environment is met, and the heat dissipation effect of the power battery system is optimized.
As shown in fig. 3, the serpentine return pipe 16 is arranged inside the upper grid liquid cooling plate 2 and the lower grid liquid cooling plate 3, and the serpentine return pipe 16 is adopted to optimize the heat dissipation effect of the upper grid liquid cooling plate and the lower grid liquid cooling plate, so that the power battery system can be suitable for the temperature range of-55 ℃ to 50 ℃.
The above description is for the purpose of further detailed description, and is not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art according to the technical solutions of the present invention without departing from the spirit of the present invention should be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides a high security lithium ion power battery system in super wide temperature domain, includes battery box upper cover, upper grid liquid cooling board, lower floor's grid liquid cooling board, battery box, its characterized in that: be provided with the battery box upper cover at the top of battery box, be provided with at least a set of battery module in the battery box, the other module support that adopts of battery module is provided with monomer electricity core in it, battery module and battery box upper cover between be provided with upper grid liquid cooling board, be provided with upper heat conduction silica gel pad at upper grid liquid cooling board downside, be provided with lower floor's heat conduction silica gel pad at the downside of battery module, be provided with lower floor's grid liquid cooling board at lower floor's heat conduction silica gel pad downside, the battery box on be provided with liquid outlet and inlet, install battery management system at the battery box inboard.
2. The ultra-wide temperature range high safety lithium ion power battery system of claim 1, wherein: be provided with the aluminium board at monomer electricity core downside, be provided with the busbar on monomer electricity core and weld the interface, busbar welds interface one side and is provided with anodal busbar, busbar weld the interface and set up towards the module support.
3. The ultra-wide temperature range high safety lithium ion power battery system of claim 2, wherein: the aluminum plate is an aluminum snake-shaped plate, and the aluminum snake-shaped plate is distributed on the module support and is close to the position of the bus bar welding interface.
4. The ultra-wide temperature range high safety lithium ion power battery system of claim 3, wherein: the aluminum snake-shaped plate is provided with a through hole, and the outer surface of the aluminum snake-shaped plate is covered with a heat conducting film.
5. The ultra-wide temperature range high safety lithium ion power battery system of claim 4, wherein: the heat conducting film is any one of a heat conducting graphite film, a heat conducting silica gel sheet, a high heat conducting polyimide film and a graphene heat conducting film.
6. The ultra-wide temperature range high safety lithium ion power battery system of claim 3, wherein: the snake-shaped radian on the aluminum snake-shaped plate is attached to the outer surface of the monomer battery cell.
7. The ultra-wide temperature range high safety lithium ion power battery system of claim 1, wherein: the upper-layer grating liquid cooling plate and the lower-layer grating liquid cooling plate are hollow aluminum plates, and snake-shaped return pipes are arranged in the upper-layer grating liquid cooling plate and the lower-layer grating liquid cooling plate.
8. The ultra-wide temperature range high safety lithium ion power battery system of claim 2, wherein: the positive electrode bus bar is an L-shaped plane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910128130.6A CN111600092A (en) | 2019-02-21 | 2019-02-21 | Super wide high security lithium ion power battery system in temperature domain |
| PCT/CN2019/076878 WO2020168591A1 (en) | 2019-02-21 | 2019-03-04 | Lithium ion power battery system providing ultra-wide temperature range and high safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910128130.6A CN111600092A (en) | 2019-02-21 | 2019-02-21 | Super wide high security lithium ion power battery system in temperature domain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111600092A true CN111600092A (en) | 2020-08-28 |
Family
ID=72144609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910128130.6A Pending CN111600092A (en) | 2019-02-21 | 2019-02-21 | Super wide high security lithium ion power battery system in temperature domain |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111600092A (en) |
| WO (1) | WO2020168591A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193258A (en) * | 2021-04-16 | 2021-07-30 | 湖北亿纬动力有限公司 | CTP liquid cooling plate and battery system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768805A (en) * | 2021-01-22 | 2021-05-07 | 倍登新能源科技（苏州）有限公司 | Integrated liquid cooling battery box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016091133A1 (en) * | 2014-12-08 | 2016-06-16 | 宋正贤 | Heat management device of electro-heating component |
| CN207425985U (en) * | 2017-12-01 | 2018-05-29 | 郑州比克电池有限公司 | A kind of batteries of electric automobile bag liquid ice chest body |
| CN207651637U (en) * | 2018-01-08 | 2018-07-24 | 华霆（合肥）动力技术有限公司 | Electric commercial vehicle liquid cooling apparatus and liquid cooling system |
| CN207868345U (en) * | 2018-02-28 | 2018-09-14 | 重庆大学 | A kind of electric automobile power battery cooling system cold plate |
| CN207910029U (en) * | 2018-01-16 | 2018-09-25 | 宝沃汽车（中国）有限公司 | Liquid cooling apparatus, power battery pack and the electric vehicle of battery pack |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009056607B4 (en) * | 2009-12-02 | 2014-11-13 | Amphenol-Tuchel Electronics Gmbh | Cell connector cover and high current cell assembly with a cell connector cover |
| CN108206256A (en) * | 2018-02-07 | 2018-06-26 | 华南理工大学 | A kind of light-weighted electric vehicle lithium-ion-power cell heat management liquid cooling system |
| CN207967246U (en) * | 2018-03-27 | 2018-10-12 | 浙江吉利汽车研究院有限公司 | Liquid cooling plate component and automotive battery system |
-
2019
- 2019-02-21 CN CN201910128130.6A patent/CN111600092A/en active Pending
- 2019-03-04 WO PCT/CN2019/076878 patent/WO2020168591A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016091133A1 (en) * | 2014-12-08 | 2016-06-16 | 宋正贤 | Heat management device of electro-heating component |
| CN207425985U (en) * | 2017-12-01 | 2018-05-29 | 郑州比克电池有限公司 | A kind of batteries of electric automobile bag liquid ice chest body |
| CN207651637U (en) * | 2018-01-08 | 2018-07-24 | 华霆（合肥）动力技术有限公司 | Electric commercial vehicle liquid cooling apparatus and liquid cooling system |
| CN207910029U (en) * | 2018-01-16 | 2018-09-25 | 宝沃汽车（中国）有限公司 | Liquid cooling apparatus, power battery pack and the electric vehicle of battery pack |
| CN207868345U (en) * | 2018-02-28 | 2018-09-14 | 重庆大学 | A kind of electric automobile power battery cooling system cold plate |
Non-Patent Citations (1)
| Title |
|---|
| 王元哲: "纯电动乘用车动力电池液冷热管理结构设计", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193258A (en) * | 2021-04-16 | 2021-07-30 | 湖北亿纬动力有限公司 | CTP liquid cooling plate and battery system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020168591A1 (en) | 2020-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107346814B (en) | Battery thermal management system | |
| CN105789733A (en) | Thermal management device and power source device | |
| CN107134557B (en) | Battery module and battery module | |
| WO2018133278A1 (en) | Electric car, and liquid delivery device and heat dissipation method suitable for electric car | |
| CN102544402A (en) | Liquid cooling device of power battery pack system | |
| CN109301111B (en) | New energy automobile power battery pack heat radiation structure | |
| KR20200104389A (en) | Liquid cooling pipeline and power supply | |
| CN110311189A (en) | Battery modules, battery pack, electric vehicle and network system | |
| CN203644903U (en) | Composite heat dissipation device for traction battery pack | |
| CN208939114U (en) | A kind of electric automobile power battery water-cooled plate and the battery pack containing the water-cooled plate | |
| CN111600092A (en) | Super wide high security lithium ion power battery system in temperature domain | |
| CN110289377B (en) | Power battery pack based on foamed aluminum material and cylindrical battery | |
| CN209880757U (en) | Square battery water-cooling module for electric automobile | |
| CN105742540A (en) | Electric vehicle power battery box with efficient thermal dissipation | |
| CN207587929U (en) | A kind of uniform heat dissipation of lithium battery plate of heat dissipation | |
| CN108336446B (en) | Power battery module heat abstractor | |
| CN205863247U (en) | A kind of battery bag | |
| CN208336301U (en) | A kind of air-cooled electric automobile battery box body combined with liquid-cooling heat radiation that radiates | |
| CN209434266U (en) | A kind of automobile pressurization Li-ion batteries piles | |
| CN115775951A (en) | Battery module, battery package and vehicle | |
| CN115189064A (en) | Energy storage battery module, battery pack and energy storage system | |
| CN210576134U (en) | New energy automobile battery box | |
| CN210110999U (en) | Power battery heat radiation structure | |
| CN210576139U (en) | Laminate polymer battery module | |
| CN103367836A (en) | Power battery thermal management system based on sintered heat pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200828 |