CN106785194A - A kind of lithium dynamical battery - Google Patents
A kind of lithium dynamical battery Download PDFInfo
- Publication number
- CN106785194A CN106785194A CN201611119931.9A CN201611119931A CN106785194A CN 106785194 A CN106785194 A CN 106785194A CN 201611119931 A CN201611119931 A CN 201611119931A CN 106785194 A CN106785194 A CN 106785194A
- Authority
- CN
- China
- Prior art keywords
- negative plate
- containment vessel
- positive plate
- lithium dynamical
- radiator
- 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
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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
- H01M10/60—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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- 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
- H01M10/655—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
- H01M10/6555—Rods or plates arranged between the cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention provides a kind of lithium dynamical battery,It includes containment vessel,Heat abstractor and multiple cells,Containment vessel is upper and lower ends hatch frame,Heat abstractor includes heat conduction framework,Radiator and paraffin,Heat conduction framework is located at the lower end of containment vessel,And upper surface is provided with the multi-disc radiating fin extended towards containment vessel upper end,Multi-disc radiating fin is arranged in parallel,Multiple cells are in containment vessel and are located in respectively between two panels radiating fin,Radiator is fixed in heat conduction framework,A plurality of closed and interconnected heat dissipation channel is provided with radiator,Paraffin is filled in heat dissipation channel,Cell includes shell and stacking battery core,Stacking battery core includes positive plate,Negative plate and insulation diaphragm,Positive plate and negative plate are spaced successively,And separated by insulation diaphragm between positive plate and negative plate,Positive plate,Negative plate and insulation diaphragm are respectively provided with multiple through holes for corresponding and setting.The battery is prevented from temperature control failure, improves the security of electric automobile.
Description
Technical field
The present invention relates to power battery technology field, more particularly to a kind of lithium dynamical battery.
Background technology
Lithium ion battery is after the rechargeable battery of new generation grown up after MH-Ni batteries, because with operating voltage is high, energy
Metric density is big, security is good, lightweight, self discharge is small, have extended cycle life, memory-less effect, it is pollution-free the advantages of turn into new energy
The priority research areas of source automotive development.
Lithium dynamical battery exist in hot operation temperature rise it is too high cause thermal runaway, in low-temperature working exist analysis lithium and energy
Amount can not completely be played, operationally also there is temperature distributing disproportionation, cause the potential safety hazards such as battery module service life reduction.
Prior art generally carries out temperature control by liquid cooling mode and cooling air mode.Liquid cooling temperature control method leads to
It is often for lithium dynamical battery is equipped with Control device of liquid cooling, such as comprising parts such as flow channel for liquids, water pumps, based on heat exchange principle control
The temperature of lithium dynamical battery processed.Air cooling temperature control method is typically to be equipped with air-cooling apparatus for lithium dynamical battery, for example, wrap
Containing parts such as airflow path, air compressor and expansion valves, the temperature that heat exchange principle controls lithium dynamical battery is also based on.So
And, whether using liquid cooling temperature control method or air cooling temperature control method, it is required for additionally increasing power transmission
With the part such as fluid communication means, once these part failures, then no longer have temperature control function.The failure risk of these parts enters
And increased the security risk of electric automobile.
The content of the invention
The present invention solves the technical problem of a kind of lithium dynamical battery is provided, temperature control failure is prevented from, improves electricity
The security of electrical automobile.
In order to solve the above technical problems, one aspect of the present invention is：A kind of lithium dynamical battery is provided, including
Containment vessel, heat abstractor and multiple cells, the containment vessel are upper and lower ends hatch frame, and the heat abstractor includes leading
Hot framework, radiator and paraffin, the heat conduction framework set located at the lower end of the containment vessel, and the upper surface of the heat conduction framework
There is the multi-disc radiating fin extended towards the containment vessel upper end, the multi-disc radiating fin is arranged in parallel, the multiple list
Body battery is in the containment vessel and is located in respectively between two panels radiating fin, and the radiator is fixed on the heat conduction frame
In body, a plurality of closed and interconnected heat dissipation channel is provided with the radiator, it is logical that the paraffin is filled in the radiating
In road, the cell includes shell and the stacking battery core that is encapsulated in the shell, the stacking battery core include positive plate,
Negative plate and insulation diaphragm, the positive plate and negative plate are spaced successively, and by exhausted between the positive plate and negative plate
Edge barrier film separates, and the positive plate has multiple first through hole, and the negative plate has multiple second through holes, the insulation diaphragm
With multiple third through-holes, the first through hole, the second through hole and third through-hole correspond setting.
Wherein, the multiple heat dissipation paths are randomly distributed in the radiator.
Wherein, the cell also includes fibrous paper, and the outermost pole piece of the stacking battery core is negative plate, and outermost
The outside of side negative plate is insulation diaphragm, and the fibrous paper is overlayed on outside the stacking battery core around the stacking battery core.
Wherein, the positive plate is made by LiFePO 4 material.
Wherein, the negative plate is made by graphite material.
Wherein, the cell further includes electrolyte, and the electrolyte is filled in the shell, the stacking
Battery core is immersed in the electrolyte.
Wherein, the electrolyte contains LiBF4, ethylene carbonate and dimethyl carbonate.
Wherein, the positive plate of the multiple cell replaces electrical connection with negative plate, to cause the multiple monomer electricity
Connect in pond.
Wherein, the positive plate electrical connection of the multiple cell, the negative plate electrical connection of the multiple cell, with
So that the multiple cell is in parallel.
The situation of prior art is different from, the beneficial effects of the invention are as follows：Containment vessel is arranged on by by heat abstractor
At lower ending opening, the heat conduction framework of heat abstractor passes through radiating fin by the heat transfer of cell to radiator, radiator
Interior paraffin is in liquid condition in high temperature, solid state is in low temperature, by between liquid and solid state
Change such that it is able to realize radiating, due to without the extra thermal component of increase such that it is able to prevent temperature control from failing, improves electricity
The security of electrical automobile.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of embodiment of the present invention lithium dynamical battery.
Fig. 2 is the dimensional structure diagram of the heat conduction framework of embodiment of the present invention lithium dynamical battery.
Fig. 3 is the upward view of the heat conduction framework shown in Fig. 2.
Fig. 4 is the cross section structure diagram of the radiator of embodiment of the present invention lithium dynamical battery.
Fig. 5 is the structural representation of the cell of embodiment of the present invention lithium dynamical battery.
Fig. 6 is the structural representation of the stacking battery core of the cell of embodiment of the present invention lithium dynamical battery.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the lithium dynamical battery of the embodiment of the present invention includes containment vessel 1, heat abstractor 2 and multiple cells
3.Containment vessel 1 is upper and lower ends hatch frame.Containment vessel 1 is preferably rectangular shape, and certainly, containment vessel 1 can also be cylinder
Shape or other shapes.Containment vessel 1 can be made using stainless steel material, and so radiating and anticorrosion effect are more preferable.
As shown in Figures 2 to 4, heat abstractor 2 includes heat conduction framework 21, radiator 22 and paraffin 23.Heat conduction framework 21 sets
The multi-disc radiating fin 211 extended towards the upper end of containment vessel 1 is provided with the upper surface of the lower end of containment vessel 1, and heat conduction framework 21, it is many
Piece radiating fin 211 is arranged in parallel.Multiple cells 3 are interior located at containment vessel 1 and are located in two panels radiating fin respectively
Between 211.Radiator 22 is fixed in heat conduction framework 21, a plurality of closed and interconnected radiating is provided with radiator 22 and is led to
Road 221, paraffin 23 is filled in heat dissipation channel 221.
Heat conduction framework 21 can be the bathtub construction of one side opening, and radiator 22 is embedded in the groove of heat conduction framework 21.It is many
Piece radiating fin 211 is according to arrangement parallel at certain interval, and gap size is relevant with the thickness of cell 3.Cell 3 with dissipate
Hot fin 211 can be interference fit.In order to ensure heat-conducting effect, radiating fin 211 can be made using fine copper, be led with improving
Hot speed.
After cell 3 generates heat, heat is quickly conducted to radiator 22, the stone in radiator 22 by radiating fin 211
Wax 23 is changed into liquid condition, and the flowing in heat dissipation channel 221 after absorbing heat from solid state, realizes thermolysis.Work as monomer
After the reduction of the temperature of battery 3, paraffin 23 is gradually changed into solid state from liquid condition again.
In order to reduce the difficulty of processing of radiator 22, in the present embodiment, multiple heat dissipation paths 221 are interior not in radiator 22
Regular distribution, that is to say, that the position of the multiple heat dissipation paths 221 in radiator 22 is random.
As shown in Figure 5 and Figure 6, cell 3 includes shell 31 and the stacking battery core 32 being encapsulated in shell 31, stacking electricity
Core 32 includes positive plate 321, negative plate 322 and insulation diaphragm 323, and positive plate 321 and negative plate 322 are spaced successively, and
Separated by insulation diaphragm 323 between positive plate 321 and negative plate 322, positive plate 321 has multiple first through hole 101, negative plate
322 have multiple second through holes 102, and insulation diaphragm 323 has multiple third through-holes 103, first through hole 101, the second through hole 102
Setting is corresponded with third through-hole 103.Preferably, positive plate 321 can be made by LiFePO 4 material, negative plate 322
Can be made by graphite material.
The quantity of positive plate 321 and negative plate 322 is not limited, and positive plate 321 and negative plate 322 can be respectively 1 layer~100
Layer or more layer, the present embodiment is preferably 30 layers~40 layers.The first through hole 101, the second through hole 102 and third through-hole 103 are
Electrolyte provides circulation passage, positive plate 321 and the electrolyte on the surface of negative plate 322 is flowed into positive plate 321 and negative pole
Between piece 322.Preferably, multiple first through hole 101, the second through hole 102 and third through-hole 103 are uniformly distributed in array, are formed
First through hole 101 on positive plate 321 connects the relative surface of positive plate 321 two, is formed on negative plate 322 the
Two through holes 102 connect the relative surface of negative plate 322 two, and the third through-hole 103 being formed on insulation diaphragm 323 makes insulation
The relative surface connection of 323 two, barrier film.
It is understood that the quantity and positive plate 321 of first through hole 101, the second through hole 102 and third through-hole 103 and
The area of negative plate 322 is relevant.If the length of side of positive plate 321 and negative plate 322 is more than or equal to 50 centimetres, using existing
Almost cannot be sufficiently injected electrolyte between positive plate 321 and negative plate 322 by the mode for injecting electrolyte, therefore, can pass through
First through hole 101, the second through hole 102 and third through-hole 103 realize making that electrolyte is quick, be sufficiently injected positive plate 321 and negative pole
Between piece 322.
Because the positive and negative plate pressing for being laminated battery core is more tight, so as to be more stranded to injection electrolyte between positive and negative plate
It is difficult.And the area of positive and negative plate is bigger, electrolyte is got over and is difficult to inject.The portion of the positive and negative plate without being infiltrated by electrolyte
There is fever phenomenon in branch, and heat then can not be completely distributed if only the heat abstractor 2 by the present embodiment, easily causes peace
Full hidden danger, therefore, electrolyte can be enable to permeate by setting first through hole 101, the second through hole 102 and third through-hole 103
And fully infiltrate to the middle part of positive plate 321 and negative plate 322.
Moreover, for the positive and negative plate of tight pressing, the internal gas for producing is difficult outwards in charge and discharge process
Discharge, can influence the cycle performance of lithium battery, first through hole 101, the second through hole 102 and third through-hole 103 to distribute
Heat, additionally it is possible to discharged beneficial to gas.
In the present embodiment, cell 3 also includes fibrous paper 33, and the outermost pole piece for being laminated battery core 32 is negative plate
322, and the outside of outermost negative plate 322 is insulation diaphragm 323, fibrous paper 33 overlays on stacking battery core 32 around stacking battery core 32
Outward.Fibrous paper 33 can be contacted with electrolyte, will effectively adsorb a certain proportion of electrolyte, make electrolyte injection rate reach it is suitable
When excessive 2~3% requirement.Meanwhile, the siphon effect of fibrous paper 33 is good and can be close to be laminated battery core 32, when electrolyte is lost
Can necessarily be supplemented.
Further, cell 3 further includes electrolyte (not shown), and electrolyte is filled in shell 31, stacking
Battery core 32 is soaked in the electrolytic solution.Electrolyte can contain LiBF4, ethylene carbonate and dimethyl carbonate.
There is multiple in view of cell 3, multiple cells 3 there can be various connected modes.For example, Duo Gedan
The positive plate 321 of body battery 3 replaces electrical connection with negative plate 322, so as to obtain multiple cells 3 connect.Or multiple monomers
The positive plate 321 of battery 3 is electrically connected, and the negative plate 322 of multiple cells 3 is electrically connected, so as to obtain multiple cells 3 simultaneously
Connection.It should be noted that cell 3 can set positive terminal and negative terminal, the positive plate 321 of each cell 3
Electrical connection positive terminal, the electrical connection negative terminal of negative plate 322 of each cell 3, goes here and there if necessary to multiple cells 3
Connection, then positive terminal and the negative terminal alternately electrical connection of multiple cells 3, in parallel if necessary to multiple cells 3, then
The positive terminal electrical connection of multiple cells 3, the negative terminal electrical connection of multiple cells 3.
Through the above way, the lithium dynamical battery of the embodiment of the present invention is cold relative to existing liquid cooling mode and air
But mode, of the invention to be not required to extra part, while reducing the distributed areas of paraffin by closed heat dissipation channel and limiting
Paraffin flowing in a liquid state, therefore, evade the paraffin after liquefaction and existed to enter other parts in lithium dynamical battery
The risk of row corrosion.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of lithium dynamical battery, it is characterised in that including containment vessel, heat abstractor and multiple cells, the containment vessel
It is upper and lower ends hatch frame, the heat abstractor includes heat conduction framework, radiator and paraffin, and the heat conduction framework is located at described
The lower end of containment vessel, and the upper surface of the heat conduction framework is provided with the multi-disc radiating fin extended towards the containment vessel upper end, institute
State multi-disc radiating fin arranged in parallel, the multiple cell is located in the containment vessel and is located in two panels respectively and dissipates
Between hot fin, the radiator is fixed in the heat conduction framework, is provided with the radiator a plurality of closed and mutually interconnected
Logical heat dissipation channel, the paraffin is filled in the heat dissipation channel, and the cell includes shell and is encapsulated in described outer
Stacking battery core in shell, the stacking battery core includes positive plate, negative plate and insulation diaphragm, and the positive plate and negative plate are successively
It is spaced, and separated by insulation diaphragm between the positive plate and negative plate, the positive plate has multiple first through hole, institute
Stating negative plate has multiple second through holes, and the insulation diaphragm has multiple third through-holes, the first through hole, the second through hole and
Third through-hole corresponds setting.
2. lithium dynamical battery according to claim 1, it is characterised in that the multiple heat dissipation paths are in the radiator
It is randomly distributed.
3. lithium dynamical battery according to claim 1, it is characterised in that the cell also includes fibrous paper, described
The outermost pole piece for being laminated battery core is negative plate, and the outside of outermost negative plate is insulation diaphragm, and the fibrous paper is around institute
Stacking battery core is stated to overlay on outside the stacking battery core.
4. lithium dynamical battery according to claim 3, it is characterised in that the positive plate is made by LiFePO 4 material.
5. lithium dynamical battery according to claim 3, it is characterised in that the negative plate is made by graphite material.
6. the lithium dynamical battery according to claim 1 or 3, it is characterised in that the cell further includes electrolysis
Liquid, the electrolyte is filled in the shell, and the stacking battery core is immersed in the electrolyte.
7. lithium dynamical battery according to claim 6, it is characterised in that the electrolyte contains LiBF4, carbonic acid
Vinyl acetate and dimethyl carbonate.
8. lithium dynamical battery according to claim 1, it is characterised in that the positive plate and negative pole of the multiple cell
Piece is alternately electrically connected, to cause that the multiple cell is connected.
9. lithium dynamical battery according to claim 1, it is characterised in that the positive plate of the multiple cell is electrically connected
Connect, the negative plate electrical connection of the multiple cell, to cause that the multiple cell is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119931.9A CN106785194A (en) | 2016-12-08 | 2016-12-08 | A kind of lithium dynamical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119931.9A CN106785194A (en) | 2016-12-08 | 2016-12-08 | A kind of lithium dynamical battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106785194A true CN106785194A (en) | 2017-05-31 |
Family
ID=58882422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611119931.9A Pending CN106785194A (en) | 2016-12-08 | 2016-12-08 | A kind of lithium dynamical battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106785194A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107742684A (en) * | 2017-09-30 | 2018-02-27 | 山东大学 | A kind of fin cooling type double-decker power battery box |
| CN111969279A (en) * | 2020-08-26 | 2020-11-20 | 广东工业大学 | Power battery device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847748A (en) * | 2010-05-12 | 2010-09-29 | 清华大学 | Lithium-ion power battery |
| CN102315501A (en) * | 2010-07-06 | 2012-01-11 | Sb锂摩托有限公司 | Battery module |
| CN105406152A (en) * | 2015-12-03 | 2016-03-16 | 天津大学 | Thermal management system for lithium-ion battery in power car |
-
2016
- 2016-12-08 CN CN201611119931.9A patent/CN106785194A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847748A (en) * | 2010-05-12 | 2010-09-29 | 清华大学 | Lithium-ion power battery |
| CN102315501A (en) * | 2010-07-06 | 2012-01-11 | Sb锂摩托有限公司 | Battery module |
| CN105406152A (en) * | 2015-12-03 | 2016-03-16 | 天津大学 | Thermal management system for lithium-ion battery in power car |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107742684A (en) * | 2017-09-30 | 2018-02-27 | 山东大学 | A kind of fin cooling type double-decker power battery box |
| CN107742684B (en) * | 2017-09-30 | 2023-10-17 | 山东大学 | Fin heat dissipation type double-layer automobile power battery box |
| CN111969279A (en) * | 2020-08-26 | 2020-11-20 | 广东工业大学 | Power battery device |
| CN111969279B (en) * | 2020-08-26 | 2022-04-19 | 广东工业大学 | Power battery device |
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Application publication date: 20170531 |