CN209071396U - Battery core cover board and vehicle - Google Patents
Battery core cover board and vehicle Download PDFInfo
- Publication number
- CN209071396U CN209071396U CN201822205430.3U CN201822205430U CN209071396U CN 209071396 U CN209071396 U CN 209071396U CN 201822205430 U CN201822205430 U CN 201822205430U CN 209071396 U CN209071396 U CN 209071396U
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- Prior art keywords
- battery core
- cover board
- rotating sheet
- core cover
- conductive member
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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
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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model discloses a kind of battery core cover board and vehicle, wherein battery core cover board includes: electrode block, conductive member, has gas vent on electrode block described in conductive trough and rotating sheet, is provided with pressure release piece at the gas vent；The conductive member is arranged in the electrode block and is electrically connected with the electrode block；The conductive trough has venthole；The rotating sheet is arranged in the conductive trough body and is electrically connected with the conductive groove body, wherein, there is overturning space between the rotating sheet and the conductive groove body, the rotating sheet is electrically connected with the conductive member, the rotating sheet, which is pressurized, to be recessed to the direction for compressing the overturning space, so that the rotating sheet is separated with the conductive member.Gas vent and pressure release piece are integrated on electrode block by the battery core cover board, to avoid explosion-proof valve is individually arranged on light aluminium sheet, and then can guarantee the integral strength of battery core cover board, power operation is enable to be normally carried out.
Description
Technical field
The utility model relates to technical field of vehicle, in particular to a kind of battery core cover board and vehicle.
Background technique
Most of traditional battery core cover board all has anti-explosion valve structure, and is all disposed within the middle position of battery core cover board, and
And with the promotion of battery core capacity, the opening of explosion-proof valve is also increasing, can form weak area on explosion-proof valve hole location periphery, work as electricity
When core inner air pressure increases, the deformation of battery core cover board can be aggravated, power-off failure is likely to result in, causes accident, it is empty to there is improvement
Between.
Utility model content
In view of this, the utility model is directed to a kind of battery core cover board, the integral strength of the battery core cover board can be obtained
Guarantee, and power operation can guarantee to be normally carried out.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of battery core cover board, comprising: electrode block has gas vent on the electrode block, is provided with and lets out at the gas vent
Tabletting；Conductive member, the conductive member are arranged in the electrode block and are electrically connected with the electrode block；Conductive groove body, institute
Conductive groove body is stated with venthole；Rotating sheet, rotating sheet setting in the conductive groove body body and with the conductive groove body
Body electrical connection, wherein there is overturning space, the rotating sheet and the conduction between the rotating sheet and the conductive groove body body
Component electrical connection, the rotating sheet, which is pressurized, to be recessed to the direction for compressing the overturning space so that the rotating sheet with
The conductive member separates.
Further, the gas vent runs through the upper wall of the electrode block, the pressure release along the short transverse of the electrode block
Piece is arranged in the gas vent.
Further, be formed on the inner surface of the gas vent annular only support boss, the lower end of the pressure release piece with it is described
Annular only supports boss and only supports cooperation.
Further, the rotating sheet has connecting column, and the connecting column is electrically connected with the conductive member.
Further, there is easily broken structure, the connecting column is fixedly connected with the easily broken structure on the conductive member.
Further, the connecting column is located at the lower section of the pressure release piece, has between the connecting column and the pressure release piece
Portable protective gaps.
Further, the gas vent and the easily broken structure face.
Further, the radical length of the gas vent is greater than the radical length of the easily broken structure.
Further, the upper surface of the pressure release piece is not higher than the upper wall surface of the upper wall.
Compared with the existing technology, battery core cover board described in the utility model has the advantage that
Gas vent and pressure release piece are integrated on electrode block by battery core cover board described in the utility model, the battery core cover board, with
It avoids that explosion-proof valve is individually arranged on light aluminium sheet, and then can guarantee the integral strength of battery core cover board, keep power operation normal
It carries out.
The another object of the utility model is to propose a kind of vehicle, including above-mentioned battery core cover board, the battery of the vehicle
Packet charge and discharge are more stable.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is according to the partial exploded view of the battery core cover board of the utility model embodiment；
Fig. 2 is the partial structural diagram according to the battery core cover board of the utility model embodiment；
Fig. 3 is the sectional view according to the battery core cover board of the utility model embodiment；
Fig. 4 is the sectional view according to the electrode block of the utility model embodiment；
Fig. 5 is the structural schematic diagram according to the conductive groove body of the utility model embodiment；
Fig. 6 is the sectional view according to the conductive groove body of the utility model embodiment；
Fig. 7 is the structural schematic diagram according to the conductive member of the utility model embodiment；
Fig. 8 is the sectional view according to the conductive member of the utility model embodiment；
Fig. 9 is the structural schematic diagram according to the rotating sheet of the utility model embodiment；
Figure 10 is the sectional view according to the rotating sheet of the utility model embodiment.
Description of symbols:
100- battery core cover board, 1- electrode block, 2- conductive member, 3- conduction groove body, 31- venthole, 4- rotating sheet, 5- overturning
Space, 32- rotating sheet mounting groove, 41- connecting column, the easily broken structure of 21-, 42- lightening holes, 6- insulating part, 61- insulating sleeve,
411- through-hole, 7- cushion space, 8- light aluminium flake, 11- gas vent, 9- pressure release piece, 12- upper wall, 111- annular only support boss.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
Below with reference to Fig. 1-Figure 10 description according to the battery core cover board 100 of the utility model embodiment.
Battery core cover board 100 according to the utility model embodiment may include: electrode block 1, conductive member 2, conductive groove body 3
With rotating sheet 4.
As shown in Figure 1-Figure 3, due in traditional battery core cover board, rotating sheet be set up directly in electrode block, and
Conductive member is arranged in conductive trough, therefore, it is necessary to overturnings required when power operation reserved for rotating sheet in electrode block
Space causes the thickness of electrode block larger.
To solve this problem, the utility model embodiment is in electrode block 1 and electric with electrode block 1 by the setting of conductive member 2
Rotating sheet 4 is arranged in conductive groove body 3 and is electrically connected with conductive groove body 3 by connection, and makes 2 electricity of rotating sheet 4 and conductive member
Connection, to guarantee the unobstructed of circuit, enables battery core normally to carry out charge and discharge electrically operated.
Wherein, there is overturning space 5 between rotating sheet 4 and conductive groove body 3, can avoid being arranged in electrode block 1 as a result, and turn over
Turn the case where 1 thickness of electrode block caused by space 5 becomes larger.
Optionally, it is also cathode block that the electrode block 1, which can be positive block, can be according to the concrete condition of battery core come reasonable
Setting.
As Figure 1-Figure 4, there is gas vent 11 on electrode block 1, be provided with pressure release piece 9 at gas vent 11.When in battery core
After generating high pressure gas, high pressure gas is finally suitable to wash open pressure release piece 9, and is discharged outside battery core from gas vent 11.In other words,
Gas vent 11 and pressure release piece 9 act as the anti-explosion valve structure that should be arranged in battery core, and the utility model embodiment is by gas vent
11 and hydraulic 9 be integrated on electrode block 1 be used to replace explosion-proof valve, can avoid that explosion-proof valve is separately provided on battery core cover board 100
Structure.
Since the anti-explosion valve structure in traditional battery core is arranged on the light aluminium flake on battery core cover board, when battery core overshoot and
When generating high pressure gas, high pressure gas can impact explosion-proof valve, due to the setting of explosion-proof valve, explosion-proof valve opening of the meeting on light aluminium flake 8
Position periphery forms weak area, when battery core air pressure inside increases, can aggravate the deformation of weak area, is likely to result in power-off failure
Phenomenon and cause accident.
For this purpose, gas vent 9 and pressure release piece 11 are integrated on electrode block 1 by the utility model embodiment, to avoid independent
Explosion-proof valve is set on light aluminium flake 8, and then can guarantee the integral strength of battery core cover board 100, power operation is enable to be normally carried out.
Specifically, conductive groove body 3 has venthole 31, and when battery core is when there is a situation where overcharging, battery core inside can be generated
High pressure gas, high pressure gas can flow into battery core cover board 100 from venthole 31, and then fill full rotating sheet 4 and conductive member 2
Between space, since gas is also constantly generating, new gas constantly enters in this space from venthole 31, makes this
Air pressure in space becomes larger, and excessive gas pressure can make rotating sheet 4 be pressurized on rotating sheet 4 to overturn space 5 to compression
Direction recess, so that rotating sheet 4 is separated with conductive member 2, and then disconnects electrical connection between the two, to prevent to fill
Electricity continues, and to have the function that power-off protection, the high pressure gas flowed into out of venthole 31 later can pass through conductive structure
Part 2, last high pressure gas can wash pressure release piece 9 open and be discharged outside battery core from gas vent 11, explode to avoid battery core.
According to the battery core cover board 100 of the utility model embodiment, which collects gas vent 9 and pressure release piece 9
At on electrode block 1, to avoid explosion-proof valve is individually arranged on light aluminium flake 8, and then the whole strong of battery core cover board 100 can guarantee
Degree, enables power operation to be normally carried out.
In conjunction with Fig. 1-embodiment illustrated in fig. 4, gas vent 11 along the short transverse penetrating electrode block 1 of electrode block 1 upper wall 12,
Pressure release piece 9 is arranged in gas vent 11.It, will exhaust since the upper wall 12 of electrode block 1 is bigger compared with the sidewall area of electrode block
Hole 11, which is arranged on upper wall 12, can guarantee that gas vent 11 is arranged sufficiently large, to meet the exhaust requirements of battery core.
Wherein, pressure release piece 9 is suitable for being connected in gas vent 11 by the way of interference fit, is in just to avoid in battery core
When reason condition, extraneous dust and other impurities enter in battery core from gas vent 11 impacts battery core.
Optionally, pressure release piece 9 can be metal gasket with proof strength, and pressure release piece 9 can also be nonmetallic rubber sheet gasket, can
The manufacture material of pressure release piece 9 is reasonably selected according to battery core and the actual conditions of battery core cover board 100.
Further, it is formed with annular on the inner surface of gas vent 11 and only supports boss 111, lower end and the annular of pressure release piece 9 are stopped
Cooperation is only supported to boss 111.The setting position of pressure release piece 9 can be limited in gas vent 11 by only supporting boss 111 by setting annular,
It can effectively avoid the inside that pressure release piece 9 falls to electrode block 1 due to the effect of extraneous external force, and then can guarantee pressure release piece 9
Stability is set.
In conjunction with Fig. 1-embodiment illustrated in fig. 6, for the both ends tool of conductive groove body 3 there are two venthole 31, two ventholes 31 are suitable
In connection battery core inner space and 100 inner space of battery core cover board, in order to which power operation can be normally carried out, wherein two
Rotating sheet mounting groove 32 is provided between venthole 31, rotating sheet 4 is arranged in rotating sheet mounting groove 32.
In other words, rotating sheet 4 is arranged between two ventholes 31, does not cover venthole 31, therefore high pressure gas
Body can be flowed directly into from venthole 31 in the space between 2 lower surface of upper surface and conductive member of rotating sheet 4, and then is made
Air pressure can act directly on the upper surface of rotating sheet 4 and rotating sheet 4 is enable to be recessed to the direction for squeezing overturning space 5, with
Have the function that disconnect and be connected between rotating sheet 4 and conductive member 2, and then achievees the effect that power-off.
Further, it in conjunction with Fig. 1, Fig. 3 and embodiment illustrated in fig. 5, is limited between rotating sheet 4 and the bottom wall of rotating sheet mounting groove 32
Make overturning space 5.The space limited between overturning space 5 and rotating sheet 4 and conductive member 2 can be made completely isolated as a result,
It opens, the two is made not to be interconnected, and then keep the high pressure gas entered between rotating sheet 4 and conductive member 2 in space direct
, concentration acts on rotating sheet 4, so that the recess movement of rotating sheet 4 is rapider, the phenomenon that avoiding the occurrence of power-off delay.
In conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 7, Fig. 8, Fig. 9 and embodiment illustrated in fig. 10, rotating sheet 4 has connecting column 41,
Connecting column 41 is electrically connected with conductive member 2.Specifically, there is easily broken structure 21, connecting column 41 and easily broken structure on conductive member 2
21 are fixedly connected.When pressure action of the rotating sheet 4 by high pressure gas, rotating sheet 4 can be recessed to the direction far from conductive member 2
It falls into, so that connecting column 41 is mobile to the direction far from conductive member 2, since connecting column 41 and easily broken structure 21 are fixed, even
Connecing column 41 can break by easily broken structure 21 from conductive member 2, and make easily broken structure 21 far from conductive member 2, at this point, turning over
It is electrically connected disconnection between rotor 4 and conductive member 2, to realize the effect for overcharging power-off.
And when easily broken structure 21 is pulled off from conductive member 2, it will form one and easily broken knot on conductive structure 2
The big through-hole such as structure 21, the high pressure gas being discharged from venthole 31 is suitable for flowing through conductive member 2 from this through hole, and finally breaks through
Pressure release piece 9 is discharged outside battery core from gas vent 11.
As shown in figures 1 and 3, connecting column 41 is located at the lower section of pressure release piece 9, has between connecting column 41 and pressure release piece 9 and protects
Protect gap.Avoidable connecting column 41 generates setting interference with pressure release piece 9 as a result, the two be arranged can more stable.
Referring to Fig. 3, gas vent 11 and easily broken 21 face of structure.Due to being connected column 41 from conductive member when easily broken structure 21
When breaking on 2, the through-hole that is formed on conductive member 2 and then can make to flow through from through hole and lead with 11 face of gas vent
The high pressure gas of electric components 2 can be quick, the pressure release piece 9 in impact gas vent 11 more concentrated, and it is final quickly from
It is discharged to outside battery core at gas vent 11.
Further, the radical length of gas vent 11 is greater than the radical length of easily broken structure 21.Thus it can avoid flowing into conductive
The phenomenon that high pressure gas between structure 2 and electrode block 1 generates vortex when being discharged at gas vent 11, and then can guarantee high pressure
Gas can quickly from gas vent 11 be discharged, avoid occur battery core explosion.
As described in Fig. 2 and Fig. 3, the upper surface of pressure release piece 9 is not higher than the upper wall surface of upper wall 111.Due to the upper wall of electrode block 1
111 need to be contacted with busbar connector or other conductive components, therefore pressure release piece 9 is arranged in gas vent 11 and is lower than upper wall
111 upper surface, which can effectively avoid pressure release piece 9, influences the normal electrical connection and charge and discharge of battery core.
Referring to Fig. 3, Fig. 9 and Figure 10, rotating sheet 4 has towards the lightening holes 42 outstanding of conductive member 2, and connecting column 41 is set
It sets on lightening holes 42.Since lightening holes 42 have been arranged to outwardly projecting form, high pressure gas can be enable
More concentrate by gas pressure on lightening holes 42, to avoid there is a phenomenon where power-off delays, and due to be provided be thinned
Part 42, therefore the recess for rotating sheet 4 of being more convenient for, keep power operation rapider, and then can effectively protect battery core, avoid that electricity occurs
The phenomenon that core explodes.
As shown in figures 1 and 3, battery core cover board 100 further include: insulating part 6, insulating part 6 support be isolated in conductive member 2 with
Between conductive groove body 3, the limit of rotating sheet 4 is between insulating part 6 and conductive groove body 3.Specifically, electrode block 1 is fixed on light aluminium flake 8
On, 6 insulating supporting of insulating part is between light aluminium flake 8 and conductive groove body 3.In other words, insulating part 6 is by conductive member 2 and electrode block 1
Be formed by entirety and rotating sheet 4 and conductive groove body 3 be formed by integral insulation is kept apart, only remaining connecting column 41 with it is easily broken
Electrical connection between structure 21, once easily broken structure 21 is separated from from conductive member 2 under the drive of connecting column 41 as a result,
When, there will not be electrical connection between two entirety, and then extraneous charging circuit and inside battery core are fully disconnected, to realize
Fill the effect of power-off.
Further, there is insulating sleeve 61 on insulating part 6, insulating sleeve 61 be supported on rotating sheet 4 and conductive member 2 it
Between, connecting column 41 is adapted to pass through insulating sleeve 61 and connect with conductive member 2.Insulating sleeve 61 limits conductive member 2 and turns over
Setting distance between rotor 4, the longest for connecting the connection distance of connecting column 41 and easily broken structure 21 as therebetween away from
From no buffer gap can make lightening holes 42 when being recessed by gas pressure intensity, the easily broken structure 21 connecting with connecting column 41
It can make a response and be separated from conductive member 2 at once, to realize the effect powered off at once, avoid that power-off delay occurs
The phenomenon that.
And since insulating sleeve 61 is supported between conductive member 2 and rotating sheet 4, it thus can effectively avoid easily broken structure
21 separate rear conductive member 2 from conductive member 2 contacts with rotating sheet 4, and then ensure that power operation can be normal
It carries out.
As shown in figures 3 to 6, connecting column 41 is adapted to pass through conductive member 2, has through-hole 411, through-hole 411 in connecting column 41
Suitable for being connected to the cushion space 7 limited between overturning space 5 and conductive member 2 and electrode block 1.
Specifically, since in traditional battery core cover board 100, gas pressure is on rotating sheet 4, and rotating sheet 4 needs to squeeze
It overturns the gas in space 5 and is recessed inwardly, since overturning space 5 is smaller, high pressure gas needs 4 work on rotating sheet
With biggish pressure, rotating sheet 4 can be enable to offset the biggish gas pressure in overturning space 5 and be recessed, therefore, easily
There is a phenomenon where power-off delays.
And the utility model embodiment will overturn space 5 and is connected to by through-hole 411 with top cushion space 7, make rotating sheet 4
The extrudable gas compartment become larger, therefore, high pressure gas do not need very big power can make rotating sheet 4 to overturning 5 indent of space
Fall into, to have the function that fast break, and then effectively avoid due to overturning space 5 it is smaller caused by recess and power-off it is slow
Stagnant phenomenon.
As shown in Figure 1-Figure 3, after easily broken structure 21 is broken by connecting column 41 from conductive structure 2, in battery core
High pressure gas is suitable for being flowed into from venthole 31 in battery core cover board 100, and continues to flow successively through insulating sleeve 61 and conductive structure
Through-hole on part 2 is acted on to wash pressure release piece 9 open on pressure release piece 9, and is finally discharged to outside battery core from gas vent 11.
According to the vehicle of the utility model another aspect embodiment, including battery core cover board 100 described in above-described embodiment.
Other constructions such as speed changer, braking system, steering system etc. for vehicle be the prior art and be this field skill
Known to art personnel, therefore do not elaborate for other constructions of vehicle here.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of battery core cover board (100) characterized by comprising
Electrode block (1) has gas vent (11) on the electrode block (1), is provided with pressure release piece (9) at the gas vent (11)；
Conductive member (2), conductive member (2) setting are electrically connected in the electrode block (1) and with the electrode block (1)；
Conductive groove body (3), the conduction groove body (3) have venthole (31)；
Rotating sheet (4), rotating sheet (4) setting is internal in the conductive groove body (3) and is electrically connected with described conductive groove body (3) body
It connects, wherein there is overturning space (5), the rotating sheet (4) and institute between the rotating sheet (4) and described conductive groove body (3) body
Conductive member (2) electrical connection is stated, the rotating sheet (4), which is pressurized, to be recessed to the direction for compressing overturning space (5), to make
The rotating sheet (4) is obtained to separate with the conductive member (2).
2. battery core cover board (100) according to claim 1, which is characterized in that the gas vent (11) is along the electrode block
(1) short transverse runs through the upper wall (12) of the electrode block (1), and pressure release piece (9) setting is in the gas vent (11).
3. battery core cover board (100) according to claim 1, which is characterized in that shape on the inner surface of the gas vent (11)
At there is annular only to support boss (111), the lower end of the pressure release piece (9) and the annular only support boss (111) and only support cooperation.
4. battery core cover board (100) according to claim 1, which is characterized in that the rotating sheet (4) has connecting column
(41), the connecting column (41) is electrically connected with the conductive member (2).
5. battery core cover board (100) according to claim 4, which is characterized in that have easily broken knot on the conductive member (2)
Structure (21), the connecting column (41) are fixedly connected with the easily broken structure (21).
6. battery core cover board (100) according to claim 4, which is characterized in that the connecting column (41) is located at the pressure release
The lower section of piece (9) has portable protective gaps between the connecting column (41) and the pressure release piece (9).
7. battery core cover board (100) according to claim 5, which is characterized in that the gas vent (11) and the easily broken knot
Structure (21) face.
8. battery core cover board (100) according to claim 5, which is characterized in that the radical length of the gas vent (11) is big
In the radical length of the easily broken structure (21).
9. battery core cover board (100) according to claim 2, which is characterized in that the upper surface of the pressure release piece (9) is not higher than
Upper wall (12) face of the upper wall (12).
10. a kind of vehicle, which is characterized in that including battery core cover board (100) according to claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205430.3U CN209071396U (en) | 2018-12-26 | 2018-12-26 | Battery core cover board and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205430.3U CN209071396U (en) | 2018-12-26 | 2018-12-26 | Battery core cover board and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209071396U true CN209071396U (en) | 2019-07-05 |
Family
ID=67102125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822205430.3U Active CN209071396U (en) | 2018-12-26 | 2018-12-26 | Battery core cover board and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209071396U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652858A (en) * | 2021-01-18 | 2021-04-13 | 中国第一汽车股份有限公司 | Battery module, battery assembly and electric motor car that delay thermal runaway |
| CN116365131A (en) * | 2023-05-31 | 2023-06-30 | 深圳海辰储能控制技术有限公司 | Energy storage device, battery module and electric equipment |
| CN118738755A (en) * | 2024-09-04 | 2024-10-01 | 蜂巢能源科技股份有限公司 | Battery cell cover plate and battery cell |
-
2018
- 2018-12-26 CN CN201822205430.3U patent/CN209071396U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652858A (en) * | 2021-01-18 | 2021-04-13 | 中国第一汽车股份有限公司 | Battery module, battery assembly and electric motor car that delay thermal runaway |
| CN112652858B (en) * | 2021-01-18 | 2022-06-10 | 中国第一汽车股份有限公司 | Battery module, battery assembly and electric motor car that delay thermal runaway |
| CN116365131A (en) * | 2023-05-31 | 2023-06-30 | 深圳海辰储能控制技术有限公司 | Energy storage device, battery module and electric equipment |
| CN116365131B (en) * | 2023-05-31 | 2023-08-08 | 深圳海辰储能控制技术有限公司 | Energy storage device, battery module and electric equipment |
| CN118738755A (en) * | 2024-09-04 | 2024-10-01 | 蜂巢能源科技股份有限公司 | Battery cell cover plate and battery cell |
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