CN109830629A - A kind of new energy car battery structure - Google Patents
A kind of new energy car battery structure Download PDFInfo
- Publication number
- CN109830629A CN109830629A CN201910273662.9A CN201910273662A CN109830629A CN 109830629 A CN109830629 A CN 109830629A CN 201910273662 A CN201910273662 A CN 201910273662A CN 109830629 A CN109830629 A CN 109830629A
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- China
- Prior art keywords
- snakelike
- heat
- cooling
- housing
- battery
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- 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.)
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- 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
Abstract
A kind of new energy car battery structure, it is characterized in that carrying out temperature control using spiral coil cooling tube, snakelike housing is formed using bimetallic strip structural bending, the circulation cavity of connection is equipped between bimetallic strip to improve the heat dissipation performance of battery, by the way that cooling cycle thermal-arrest component is arranged, it can be achieved to carry out isothermal holding to the low temperature environment of battery, in low temperature, in the heat transfer to snakelike housing flowing lumen body that cooling cycle thermal-arrest component internal is collected, keep the temperature of battery after stopping, it prevents from influencing electricity storage and conversion because temperature is too low, improves battery performance；And when radiating, the heat that battery body generates can be absorbed by snakelike casing interior spiral coil cooling tube, reduce battery body surface heat, a large amount of heat build-up is avoided to lead to battery damage, heat can be also stored in phase change heat storage material in automobilism, the additional waste energy content of battery is not needed when in order to keep the temperature to battery.
Description
Technical field
A kind of new energy car battery structure, is related to new power automobile technical field.
Background technique
New-energy automobile refer to using unconventional vehicle fuel as a source of power (or using conventional vehicle fuel,
Using new vehicle-mounted power plant), the dynamic Control of comprehensive vehicle and the advanced technology of driving aspect, the technical principle elder generation of formation
Into, the automobile with new technology, new construction, new-energy automobile includes pure electric automobile, stroke-increasing electric automobile, hybrid power vapour
Vehicle, fuel cell electric vehicle, hydrogen engine automobile, other new-energy automobiles etc..
Chinese patent discloses a kind of new energy car battery structure (publication No. CN207993926U), which can subtract
The vibration for having lacked battery core prevents from generating thermal runaway between battery core, and the design of thermal insulation layer and the design of plug waterproof vent valve are conducive to
Total heat dissipation, and the design of bottom portion of groove shakeproof layer further reduces the vibration of battery core, prevents battery core from damaging, and extends electricity
Core service life enhances the safety and operating characteristics of battery structure, still, in battery use process, can generate a large amount of heat, and
Air-dispersing is carried out only with heat release hole and vent valve, heat loss is slower, uses for a long time, and thermal accumlation be easy to cause battery
It burns out.
In addition, working performance is related with temperature for battery, temperature is excessively high, then battery is easy to appear danger, and
Temperature is too low, although battery is not in danger, battery is easy to appear charge-discharge performance decrease, cannot achieve required
Electricity memory requirement greatly reduces the service performance of battery.And current battery structure typically only considers heat dissipation performance,
And cryogenic property is not considered.
Therefore, the present invention provides a kind of new energy car battery structures, are asked with solve to occur in above-mentioned background technique
Topic.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of new energy car battery structure
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of new energy car battery structure, including case
Body is provided with protective cover at the top of the cabinet, it is characterised in that: the inner wall of the cabinet is provided with snakelike housing, snakelike cover
Shell is wave structure, and the equally spaced structure in wave knee of the snakelike housing is equipped with holding tank, each electricity of automobile batteries
In the holding tank for being located in snakelike housing, the top inner wall of the holding tank of the snakelike housing closely connects pond ontology sandwiched
It is provided with spiral coil cooling tube, is provided with sealing cover at the top of the snakelike housing；It is characterized in that,
The snakelike housing is formed using the bimetallic strip structural bending for being spaced apart setting, and the bilayer gold of the snakelike housing
Belong to the circulation cavity that connection is provided between piece；
The side of the cabinet is provided with cooling cycle thermal-arrest component, the cooling cycle thermal-arrest component and the spiral coil cooling tube
Circulation connection, to carry out circulating cooling to battery cell；
The cooling cycle thermal-arrest component is also connected to the circulation cavity of the snakelike housing, to make institute at low ambient temperatures
In the heat transfer to the snakelike housing flowing lumen body for stating the collection of cooling cycle thermal-arrest component internal.
Further, preferably, the cooling cycle thermal-arrest component includes cooling heat-collecting box, coolant circulation pump and accumulation of heat material
Material, wherein the cooling heat-collecting box is internally provided with horizontal partition, and the top structure of the partition is set as cooling chamber, described
Coolant circulation pump is provided in cooling chamber, the cooling medium of the coolant circulation pump enters pipe and one end of the cooling tube connects
Logical, the cooling medium effuser of the coolant circulation pump is connected to outside cooling heat-collecting box or is connected to the another of the cooling tube
One end；Be also connected with heat exchanger tube on the cooling medium effuser of the coolant circulation pump, the heat exchanger tube extend downwardly into it is described every
Below plate, collection thermal region is in the region that structure is set between cooling heat-collecting box below the partition, setting inside the collection thermal region
There is phase-change material, the heat exchanger tube coiling is arranged in the phase-change material, and the cooling is stretched out in the end of the heat exchanger tube
Heat-collecting box, the side of the close cabinet of the cooling heat-collecting box are provided with snorkel, the circulation of the snorkel and snakelike housing
Cavity connection.
Further, preferably, being additionally provided with control valve one on the snorkel, the heat exchanger tube and the cooling medium
The junction of effuser is additionally provided with control valve two, and temperature sensor, the temperature sensor are provided in the battery cell
It is connect with controller, the control valve one, control valve two and coolant circulation pump are connect with the controller.
Further, preferably, being additionally provided with muff between the phase change heat storage material and the cooling heat-collecting box, institute
Phase change heat storage material is stated to be placed in the muff.
Further, preferably, being also connected with heat-dissipating pipe on the coolant circulation pump, described in the heat-dissipating pipe stretches out upward
The top of cooling heat-collecting box, the heat exchanger tube are coiling setting.
Further, preferably, being provided with more reinforcing ribs in the interior surface of the snakelike housing.
Further, preferably, the inner wall two sides of the cabinet are fixedly connected to block, the block is heat-proof silica gel
Material members, the block are contacted with battery body.
Further, preferably, the inner wall two sides of the cabinet offer arc groove, the snakelike housing and arc groove
It is flexibly connected.
Further, preferably, the inside of the spiral coil cooling tube is filled with cooling medium, and the top of spiral coil cooling tube
It is provided with media outlet, cooling medium is liquid or gaseous state.
Further, preferably, the inner wall two sides of the cabinet open up fluted, the two sides of the snakelike housing are solid
Surely it is connected with fixture block, the fixture block and groove grafting, the inside of the groove is fixedly connected with limited block, the side of the fixture block
Limiting slot is offered, the limiting slot matches with limited block.
Make compared with prior art, the beneficial effects of the present invention are:
1, snakelike housing of the invention is formed using the bimetallic strip structural bending for being spaced apart setting, and the snakelike housing
The circulation cavity of connection is provided between bimetallic strip, in this way, the heat dissipation performance of battery not only can be improved, moreover, passing through
Cooling cycle thermal-arrest component is set, may be implemented to carry out isothermal holding to the low temperature environment of battery, in order to make in cold
When winter, in the heat transfer to snakelike housing flowing lumen body that cooling cycle thermal-arrest component internal is collected, realize after stopping to electricity
The temperature in pond is kept, and is prevented battery temperature too low and is influenced the storage and conversion of electricity, and battery performance is improved；
2 and heat dissipation when, by snakelike casing interior be arranged spiral coil cooling tube, in battery use process, spiral coil cooling tube
Internal cooling medium makes snakelike casing interior remain lower temperature, and snakelike housing and battery are in close contact, therefore
The heat that battery body generates can be absorbed by the spiral coil cooling tube of snakelike casing interior, reduce the heat on battery body surface,
The case where a large amount of heat build-up causes battery to burn out is avoided, while can also be stored in heat in automobilism
The additional waste energy content of battery is not needed in phase change heat storage material, when in order to keep the temperature to battery；
3, by setting arc groove, the position of snakelike housing can be defined, it is made to be less prone to dislocation between cabinet
Situation, and inside grooves are stuck in by fixture block, it is mobile in box house to can avoid snakelike housing, and limited block is stuck in limiting slot
Portion can make more stable between snakelike housing and cabinet；
4, the inside of the invention by the way that battery body to be arranged in snakelike housing, can effectively reduce vibration to the danger of battery body
Evil, and guarantee heat dissipation effect and damping effect, while under the further limiting of block, effectively battery body can be avoided to shake
Dynamic, making battery body, the service life is longer, in addition can also the inner space filling between battery body and snakelike housing lead
Hot silica gel piece is further ensured that the stabilization of battery body.
Detailed description of the invention
Fig. 1 is a kind of explosive view of new energy car battery structure；
Fig. 2 is a kind of structural schematic diagram of snakelike housing in new energy car battery structure；
Fig. 3 is the enlarged drawing in a kind of new energy car battery structure chart 1 at A.
Fig. 4 is a kind of cooling cycle thermal-arrest assembly assumption diagram of new energy car battery structure.
Specific embodiment
Please refer to Fig. 1~4, in the embodiment of the present invention, a kind of new energy car battery structure, including cabinet 1, the cabinet
1 top is provided with protective cover 2, it is characterised in that: the inner wall of the cabinet 1 is provided with snakelike housing 3, and snakelike housing 3 is wave
Unrestrained structure, and the equally spaced structure in wave knee of the snakelike housing 3 is equipped with holding tank, each battery body of automobile batteries
In the holding tank for being located in snakelike housing 3, the top inner wall of the holding tank of the snakelike housing 3 closely connects to be set 5 sandwicheds
It is equipped with spiral coil cooling tube 8, the top of the snakelike housing 3 is provided with sealing cover 9；It is characterized in that,
The snakelike housing 3 is formed using the bimetallic strip structural bending for being spaced apart setting, and the bilayer of the snakelike housing 3
The circulation cavity of connection is provided between sheet metal；
The side of the cabinet 1 is provided with cooling cycle thermal-arrest component, the cooling cycle thermal-arrest component and the snakelike cooling
The circulation connection of pipe 8, to carry out circulating cooling to battery cell；
The cooling cycle thermal-arrest component is also connected to the circulation cavity of the snakelike housing 3, to make at low ambient temperatures
In the heat transfer to the snakelike 3 flowing lumen body of housing that the cooling cycle thermal-arrest component internal is collected, and in heat dissipation,
In battery use process, the cooling medium inside spiral coil cooling tube 8 makes to remain lower temperature inside snakelike housing 3, and
Snakelike housing 3 is in close contact with battery, therefore the heat that battery body 5 generates can be by the spiral coil cooling tube 8 inside snakelike housing 3
It absorbs, reduces the heat on 5 surface of battery body, avoid the case where a large amount of heat build-up causes battery to burn out, solve
The problem of having determined, it is slower to open up air hole radiating mode heat loss, uses for a long time, and thermal accumlation be easy to cause battery to burn out.
In this manner it is ensured that while needs of battery heat dissipation, in cold winter, can make the temperature of battery unlikely after a stoppage
It is too low, guarantee the storage performance of battery.
In the present embodiment, the cooling cycle thermal-arrest component includes cooling heat-collecting box 15, coolant circulation pump 18 and accumulation of heat
Material, wherein the cooling heat-collecting box is internally provided with horizontal partition, and the top structure of the partition is set as cooling chamber, institute
It states and is provided with coolant circulation pump in cooling chamber, the cooling medium of the coolant circulation pump 18 enters pipe 19 and the cooling tube 8
One end connection, the cooling medium effuser 20 of the coolant circulation pump 18 are connected to cooling 15 outside of heat-collecting box or are connected to institute
State the other end of cooling tube 8；Heat exchanger tube 23 is also connected on the cooling medium effuser 20 of the coolant circulation pump 18, it is described to change
Heat pipe extends downwardly into below the partition, and collection thermal region, institute is in the region that structure is set between cooling heat-collecting box below the partition
It states collection thermal region and is internally provided with phase-change material 21, the coiling of heat exchanger tube 23 is arranged in the phase-change material, and described changes
The cooling heat-collecting box 15 is stretched out in the end of heat pipe, and the side of the close cabinet 1 of the cooling heat-collecting box 15 is provided with snorkel
24, the snorkel 24 is connected to the circulation cavity of snakelike housing 3.
As preferred embodiment, be additionally provided with control valve 1 on the snorkel 24, the heat exchanger tube with it is described cold
But the junction of medium effuser 20 is additionally provided with control valve two, and temperature sensor, the temperature are provided in the battery cell
Degree sensor is connect with controller, and the control valve one, control valve two and coolant circulation pump 18 are connect with the controller.
Wherein, muff 22, the phase transformation are additionally provided between the phase change heat storage material and the cooling heat-collecting box 15
Heat-storing material is placed in the muff.Heat-dissipating pipe 16 is also connected on the coolant circulation pump 18, the heat-dissipating pipe is stretched upward
The top of the cooling heat-collecting box 15 out, the heat exchanger tube are coiling setting.
In addition, in the present invention, being provided with more reinforcing ribs 4 in the interior surface of the snakelike housing 3, reinforcing rib 4 is then
It can make snakelike housing 3 is whole will not deform, be mounted on it more stable inside cabinet 1, it can also be in battery body 5 and snakelike cover
Inner space between shell 3 fills heat-conducting silica gel sheet to be further ensured that the stabilization of battery body 5.
The inner wall two sides of the cabinet 1 are fixedly connected to block 6, and the block 6 is heat-proof silica gel material component, described
Block 6 is contacted with battery body 5, and block 6 can be defined the position of battery body 5, and battery body 5 can effectively be avoided to shake
Dynamic, making battery body 5, the service life is longer, reduces damage of the vibration to battery body 5.The inner wall two sides of the cabinet 1 are equal
Arc groove 7 is offered, the snakelike housing 3 is flexibly connected with arc groove 7, can be to snakelike housing 3 by the way that arc groove 7 is arranged
The case where position is defined, it is made to be less prone to dislocation between cabinet 1, and be stuck in inside groove 10 by fixture block 11, it can
Snakelike housing 3 is avoided to move inside cabinet 1, and limited block 12 is stuck in inside limiting slot 13, can make snakelike housing 3 and cabinet 1
Between it is more stable.
As preferred embodiment, the inside of the spiral coil cooling tube 8 is filled with cooling medium, and spiral coil cooling tube 8
Top is provided with media outlet 14, and cooling medium is liquid or gaseous state.When using gaseous state, can by the way of not recycling,
Gaseous state is directly excluded into outside, and air-breathing directly draws extraneous air, and liquid medium needs recycle.It is described
The inner wall two sides of cabinet 1 open up fluted 10, and the two sides of the snakelike housing 3 are fixedly connected to fixture block 11, the fixture block
11 are fixedly connected with limited block 12 with 10 grafting of groove, the inside of the groove 10, and the side of the fixture block 11 offers limit
Slot 13, the limiting slot 13 match with limited block 12.
The working principle of the invention is: by the way that spiral coil cooling tube 8 is arranged inside snakelike housing 3, in battery use process
In, the coolant liquid inside spiral coil cooling tube 8 makes to remain lower temperature inside snakelike housing 3, and snakelike housing 3 and battery
It is in close contact, therefore the heat that battery body 5 generates can be absorbed by the spiral coil cooling tube 8 inside snakelike housing 3, make battery body
The heat on 5 surfaces is reduced, and avoids the case where a large amount of heat build-up causes battery to burn out, and is solved and is opened up air hole and dissipate
The problem of hot mode heat loss is slower, uses for a long time, and thermal accumlation be easy to cause battery to burn out, and snakelike housing 3 also has
There is good damping effect, can reduce vibration to damage caused by battery body 5, keep the use more frame of battery body 5 durable.
And at cold winter, the heat that cooling cycle thermal-arrest component generates when can be to battery operation absorbs, and is stopping later
Che Hou, the accumulation of heat heat of cooling cycle thermal-arrest component internal can slowly, automatically be transferred to snakelike 3 internal circulation cavity of housing
It is interior, and then guarantee that area of cell temperature is unlikely too low, improve the performance of battery.
It is above-described, it is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited to
This, anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention
And its inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of new energy car battery structure, including cabinet (1), protective cover (2) are provided at the top of the cabinet (1),
Be characterized in that: the inner wall of the cabinet (1) is provided with snakelike housing (3), and snakelike housing (3) is wave structure, and described snakelike
The equally spaced structure in wave knee of housing (3) is equipped with holding tank, and each battery body (5) sandwiched of automobile batteries is against positioning
In the holding tank of snakelike housing (3), the top inner wall of the holding tank of the snakelike housing (3) is closely connected with snakelike cold
But (8) are managed, is provided with sealing cover (9) at the top of the snakelike housing (3)；It is characterized by:
The snakelike housing (3) is formed using the bimetallic strip structural bending for being spaced apart setting, and the snakelike housing (3)
The circulation cavity of connection is provided between bimetallic strip；
The side of the cabinet (1) is provided with cooling cycle thermal-arrest component, the cooling cycle thermal-arrest component with it is described snakelike cold
But pipe (8) circulation connection, to carry out circulating cooling to battery cell；
The cooling cycle thermal-arrest component is also connected to the circulation cavity of the snakelike housing (3), to make at low ambient temperatures
It obtains in the heat transfer to snakelike housing (3) the flowing lumen body that the cooling cycle thermal-arrest component internal is collected.
2. a kind of new energy car battery structure according to claim 1, it is characterised in that: the cooling cycle thermal-arrest group
Part includes cooling heat-collecting box (15), coolant circulation pump (18) and heat-storing material, wherein the cooling heat-collecting box is internally provided with
Horizontal partition, the top structure of the partition are set as cooling chamber, coolant circulation pump are provided in the cooling chamber, and the cooling follows
The cooling medium of ring pump (18) enters pipe (19) and is connected to one end of the cooling tube (8), the coolant circulation pump (18) it is cold
But medium effuser (20) is connected to cooling heat-collecting box (15) outside or is connected to the other end of the cooling tube (8)；It is described
It is also connected with heat exchanger tube (23) on the cooling medium effuser (20) of coolant circulation pump (18), the heat exchanger tube extends downwardly into described
Below partition, the region that structure is set between cooling heat-collecting box below the partition is set inside the collection thermal region to collect thermal region
It is equipped with phase-change material (21), heat exchanger tube (23) coiling is arranged in the phase-change material, and the end of the heat exchanger tube is stretched
The side of the cooling heat-collecting box (15) out, the close cabinet (1) of the cooling heat-collecting box (15) is provided with snorkel (24), institute
Snorkel (24) is stated to be connected to the circulation cavity of snakelike housing (3).
3. a kind of new energy car battery structure according to claim 2, it is characterised in that: on the snorkel (24)
It is additionally provided with control valve one (25), the heat exchanger tube and the junction of the cooling medium effuser (20) are additionally provided with control valve
Two, temperature sensor is provided in the battery cell, and the temperature sensor is connect with controller, the control valve one, control
Valve two and coolant circulation pump (18) processed connect with the controller.
4. a kind of new energy car battery structure according to claim 2, it is characterised in that: the phase change heat storage material
Muff (22) are additionally provided between the cooling heat-collecting box (15), the phase change heat storage material is placed in the muff.
5. a kind of new energy car battery structure according to claim 2, it is characterised in that: the coolant circulation pump
(18) it is also connected on heat-dissipating pipe (16), the heat-dissipating pipe stretches out the top of the cooling heat-collecting box (15), the heat exchange upward
Pipe is coiling setting.
6. a kind of new energy car battery structure according to claim 2, it is characterised in that: the snakelike housing (3)
More reinforcing ribs (4) are provided in interior surface.
7. a kind of new energy car battery structure according to claim 1, it is characterised in that: the inner wall of the cabinet (1)
Two sides are fixedly connected to block (6), and the block (6) is heat-proof silica gel material component, the block (6) and battery body
(5) it contacts.
8. a kind of new energy car battery structure according to claim 1, it is characterised in that: the inner wall of the cabinet (1)
Two sides offer arc groove (7), and the snakelike housing (3) is flexibly connected with arc groove (7).
9. a kind of new energy car battery structure according to claim 1, it is characterised in that: the spiral coil cooling tube (8)
Inside be filled with cooling medium, and media outlet (14) are provided at the top of spiral coil cooling tube (8), cooling medium be liquid or
Person's gaseous state.
10. a kind of new energy car battery structure according to claim 1, it is characterised in that: the cabinet (1) it is interior
Wall two sides open up fluted (10), and the two sides of the snakelike housing (3) are fixedly connected to fixture block (11), the fixture block (11)
It is fixedly connected with limited block (12) with the inside of groove (10) grafting, the groove (10), the side of the fixture block (11) opens up
Have limiting slot (13), the limiting slot (13) matches with limited block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273662.9A CN109830629A (en) | 2019-04-06 | 2019-04-06 | A kind of new energy car battery structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910273662.9A CN109830629A (en) | 2019-04-06 | 2019-04-06 | A kind of new energy car battery structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109830629A true CN109830629A (en) | 2019-05-31 |
Family
ID=66874149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910273662.9A Pending CN109830629A (en) | 2019-04-06 | 2019-04-06 | A kind of new energy car battery structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397805A (en) * | 2019-08-15 | 2021-02-23 | 太普动力新能源(常熟)股份有限公司 | Battery pack with heat dissipation function |
| CN116031561A (en) * | 2023-03-24 | 2023-04-28 | 合肥召洋电子科技有限公司 | Energy storage battery pack |
| CN116093493A (en) * | 2023-04-07 | 2023-05-09 | 深圳市博硕科技股份有限公司 | Cooling assembly of power battery |
| CN116632412A (en) * | 2023-07-24 | 2023-08-22 | 中海巢(河北)新能源科技有限公司 | Square aluminium shell lithium ion battery capable of radiating internal heat of power cell |
-
2019
- 2019-04-06 CN CN201910273662.9A patent/CN109830629A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397805A (en) * | 2019-08-15 | 2021-02-23 | 太普动力新能源(常熟)股份有限公司 | Battery pack with heat dissipation function |
| CN116031561A (en) * | 2023-03-24 | 2023-04-28 | 合肥召洋电子科技有限公司 | Energy storage battery pack |
| CN116093493A (en) * | 2023-04-07 | 2023-05-09 | 深圳市博硕科技股份有限公司 | Cooling assembly of power battery |
| CN116093493B (en) * | 2023-04-07 | 2023-06-27 | 深圳市博硕科技股份有限公司 | Cooling assembly of power battery |
| CN116632412A (en) * | 2023-07-24 | 2023-08-22 | 中海巢(河北)新能源科技有限公司 | Square aluminium shell lithium ion battery capable of radiating internal heat of power cell |
| CN116632412B (en) * | 2023-07-24 | 2023-09-15 | 中海巢(河北)新能源科技有限公司 | Square aluminium shell lithium ion battery capable of radiating internal heat of power cell |
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