CN207818738U - End board assembly and battery modules - Google Patents
End board assembly and battery modules Download PDFInfo
- Publication number
- CN207818738U CN207818738U CN201820159268.3U CN201820159268U CN207818738U CN 207818738 U CN207818738 U CN 207818738U CN 201820159268 U CN201820159268 U CN 201820159268U CN 207818738 U CN207818738 U CN 207818738U
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- Prior art keywords
- board assembly
- end plate
- locking piece
- insulating
- end board
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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
-
- 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
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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a kind of end board assembly and battery modules.End board assembly includes：Insulating end plate has：At least one bolt fixing groove, each bolt fixing groove are located at the side of the length direction of insulating end plate and are inwardly concaved from the upper surface of insulating end plate.Battery modules include：Multiple battery units, each battery unit have opposite polarity electrode；Electrode output chip, one end is electrically connected to the electrode as output in multiple electrodes and the other end is protruding；Battery modules further include：Above-mentioned end board assembly, through-thickness are fixed on the both sides of multiple battery units；Output stage fixing bolt, one end be fixed on the corresponding bolt fixing groove of end board assembly and the other end be connected to electrode output chip the stretching the other end.End board assembly according to the present utility model eliminates the use of the output stage pedestal on die casting end plate in the prior art, simplifies assembly technology；In addition, reducing the total quality of end board assembly, the energy density of battery modules is improved.
Description
Technical field
The utility model is related to field of batteries more particularly to a kind of end board assembly and battery modules.
Background technology
This technology is mainly used in nylon bandage or metal steel strap as the fixed scheme of module group assembling.Such as Fig. 1 to Fig. 3
Shown, existing end plate is usually by metal die casting (i.e. die casting end plate P), and the output stage of module needs and die casting end plate P
Between keep insulation, therefore the structure that this kind of module is detached frequently with output stage pedestal O with die casting end plate P is to keep the defeated of module
Go out the insulation between pole and die casting end plate P, as shown in Figure 1, die casting end plate P needs reserved corresponding slot position P1 to fix output stage bottom
Seat O, the plastic cement that usual output stage pedestal O is used embed copper nut mode and are molded, this structure can keep with die casting end plate P it
Between insulation can realize being electrically connected between the output stage of module again, but production cost is higher.In addition, P pairs of die casting end plate
Mold is more demanding, and die sinking cost is higher；Production technology (die cast) and structure additionally, due to die casting end plate P itself
Reason, die casting end plate P after locking bolt the problem of will will appear buckling deformation, specifically, referring to Figure 1 and Figure 3, die casting end plate P
The upper surface of length direction be equipped with the threaded hole P2 that extends downwardly, in module group assembling, and locking bolt B needs guiding through press strip and consolidates
Due to, press strip and die casting end plate P to be fixed together, threaded hole P2 can only be processed on the corresponding threaded hole P2 of die casting end plate P
On position as shown in figures 1 and 3, the residual stress of torque and die casting end plate P itself are paid by lock is influenced die casting end plate P
The problem of will will appear buckling deformation after locking bolt；In addition, as the requirement to battery pack energy density is higher and higher, to light
The use of quantization material is also increasingly urgent to, and die casting end plate P is also increasingly not suitable for following module demand.
Utility model content
The problem of in view of background technology, the purpose of this utility model is to provide a kind of end board assembly and battery moulds
Group can cancel the use of the output stage pedestal on die casting end plate in the prior art, simplify assembly technology, reduce cost,
And total quality is reduced, improve the energy density of battery modules.
To achieve the goals above, in a first aspect, the utility model provides a kind of end board assembly comprising：Insulation
End plate has：At least one bolt fixing groove, each bolt fixing groove are located at the side of the length direction of insulating end plate and from insulation
The upper surface of end plate inwardly concaves.
To achieve the goals above, in second aspect, the utility model provides a kind of battery modules comprising：It is multiple
Battery unit, each battery unit have opposite polarity electrode；Electrode output chip, one end are electrically connected to the conduct in multiple electrodes
The electrode of output and the other end is protruding；Battery modules further include：End plate group according to the utility model first aspect
Part, through-thickness are fixed on the both sides of multiple battery units；The correspondence of end board assembly is fixed in output stage fixing bolt, one end
Bolt fixing groove and the other end be connected to electrode output chip the stretching the other end.
The beneficial effects of the utility model are as follows：
End board assembly according to the present utility model eliminates making for the output stage pedestal on die casting end plate in the prior art
With simplifying assembly technology, and reduce cost；In addition, reducing the total quality of end board assembly, battery modules are improved
Energy density.
Description of the drawings
Fig. 1 is the stereogram of die casting end plate in the prior art.
Fig. 2 is the stereogram of output stage pedestal in the prior art.
Fig. 3 is the assembling figure of battery modules in the prior art, wherein shown in die casting end plate shown in FIG. 1 and Fig. 2
Output stage pedestal assembled.
Fig. 4 is the exploded perspective view of end board assembly according to the present utility model.
Fig. 5 is the assembling figure of Fig. 4.
Fig. 6 is the stereogram of another angle of Fig. 5.
Fig. 7 is the assembling figure of battery modules according to the present utility model, wherein using end board assembly shown in fig. 4 to fig. 6
It is assembled.
Wherein, the reference numerals are as follows：
123 concave part of P die casting end plate
1,231 first groove of P1 slots position
1,232 second groove of P2 threaded holes
1233 third groove of O output stages pedestal
2 battery unit of B locking bolts
1 end board assembly, 3 electrode output chip
11 insulating end plate, 31 connecting hole
111 bolt fixing groove, 4 output stage fixing bolt
112 excessive glue grooves 5 insulation press strip
114 insulation walls 6 lock pays bolt
12 locking piece L length directions
121 locks pay hole W width directions
122 lightening hole H thickness directions
Specific implementation mode
End board assembly according to the present utility model and battery modules are described in detail with reference to the accompanying drawings.
Illustrate the end board assembly according to the utility model first aspect first.
As shown in Figures 4 to 6, end board assembly 1 according to the present utility model includes：Insulating end plate 11, has：It is at least one
Bolt fixing groove 111, each bolt fixing groove 111 are located at the side of the length direction L of insulating end plate 11 and from insulating end plates 11
Upper surface inwardly concaves.
In end board assembly 1 according to the present utility model, insulating end plate 11 is formed directly at least one bolt fixing groove
111, for fixing the output stage fixing bolt 4 described below being electrically connected with electrode output chip 3, eliminate in the prior art such as
The use of output stage pedestal O on Fig. 1 to die casting end plate P shown in Fig. 3, simplifies assembly technology, and reduce cost；This
Outside, compared with die casting end plate P made of metal shown in FIG. 1, insulating end plate 11 in the end board assembly 1 of the utility model by
Insulating materials (i.e. plastics or plastic cement) is made, and insulation quality is light relative to metal quality, thus reduces end board assembly 1
Total quality improves the energy density of battery modules.
As shown in Figures 4 to 6, end board assembly 1 further includes：Locking piece 12, is embedded in insulating end plate 11 and length direction L
Both ends be exposed to insulating end plate 11, have：The lock of at least one perforations of L along its length pays hole 121.Lock pays setting for hole 121
It sets and is locked together convenient for end board assembly 1 and insulation press strip 5, and consolidated across press strip using locking bolt B in the prior art
Fixed form due to the corresponding threaded hole P2 of die casting end plate P is compared, and there is locking piece 12 at least one L along its length to pass through
Logical lock pays hole 121, and when being fixed using lock described below pair bolt 6, lock is paid bolt 6 and passed through across L along its length
Logical lock pays the lock that hole 121 enables end board assembly 1 to bear bigger and pays torque, efficiently avoids die casting in the prior art
Warpage issues of the end plate P in assembly, while the hole position paid without processing corresponding lock on end board assembly 1, simplify end
The complexity of the structure of board group part 1, reduces processing cost.
Specifically, as shown in Figure 4 and Figure 5, locking piece 12 is embedded in the center of the width direction W of insulating end plate 11.To
It can be corresponding with insulation press strip 5 described below and be fixed together in assembly.
In end board assembly 1 according to the present utility model, locking piece 12 and 11 integrated injection molding of insulating end plate.
The bolt fixing groove 111 of insulating end plate 11 is two, is located at the both sides of the width direction W of locking piece 12 and is paid with lock
Part 12 is spaced apart.The quantity of certain bolt fixing groove 111 can also be one, and particular number can be according to battery mould described below
The position of the electrode output chip 3 of group is configured.
The quantity that lock pays hole 121 is two, is located at the both sides of the width direction W of locking piece 12.Certainly lock pays the number in hole 121
Amount is not limited to this, and can also be one or more than two.
Locking piece 12 also has：At least one lightening hole 122, each lightening hole 122 are paid hole 121 with lock and are spaced apart and along length
Direction L is penetrated through.Specifically, each lightening hole 122 is located between two lock pair holes 121.The setting of lightening hole 122 can mitigate lock and pay
The quality of part 12, into the total quality for mitigating end board assembly 1.
As shown in figure 4, locking piece 12 also has：Concave part 123 is inwardly concaved from the peripheral surface of locking piece 12 and along length
Direction L extends, for locking piece 12 to tighten together with insulating end plate 11 when end board assembly 1 is molded.
Specifically, concave part 123 includes：First groove 1231, the surface from the sides thickness direction T of locking piece 12 are inside
It is recessed；Second groove 1232 is inwardly concaved from the surface that the thickness direction T-phase of locking piece 12 is tossed about；Third groove 1233, is located at
At least side of the width direction W of locking piece 12 simultaneously inwardly concaves.Specifically, the quantity of the first groove 1231 is one；Second
The quantity of groove 1232 is multiple and W arranged for interval in the width direction.First groove 1231, the second groove 1232 and third are recessed
The setting of slot 1233 makes locking piece 12 during with 1 integrated injection molding of end plate, and plastic cement can be filled into the first groove
1231, it in the second groove 1232 and third groove 1233, to increase the structural strength of locking piece 12 and insulating end plate 11, keeps away
Exempt from the locking piece 12 in battery modules vibration processes to remove with insulating end plate 11.The concrete form of certain concave part 123 is simultaneously unlimited
It can also be other diversified forms in this, only need to ensure to increase the bond strength with insulating end plate 11.
Preferably, insulating end plate 11 is the nylon material with glass.
The material of locking piece 12 is aluminium.Locking piece 12 is molded by squeezing aluminium.
End board assembly 1 is substantially in plate shape.Locking piece 12 is the plate shape that L extends along its length.
As shown in fig. 6, insulating end plate 11 also has：Multiple excessive glue grooves 112 are located at the thickness direction T's of insulating end plate 11
The side and surface of thickness direction T from insulating end plate 11 inwardly concaves.Multiple excessive glue grooves 112 are respectively arranged in insulating end plate 11
Inner surface width direction W both sides and along its length L be spaced apart.When insulating end plate 11 is fixed on hereafter by bonded adhesives
When the described battery modules, the setting of excessive glue groove 112 can accommodate extra bonded adhesives, be effectively prevented from since gluing is excessive and
There is the problem of excessive glue.
Insulating end plate 11 further includes：At least a pair of of insulation wall 114, two insulation walls 114 distinguish positions in each pair of insulation wall 114
In the both sides of the width direction W of corresponding bolt fixing groove 111 and L is upwardly extended along its length.Insulation wall 114 can be effective
Ground avoids conductive component (the lock pair spiral shell of electrode output chip 3 described below and output stage fixing bolt 4 with width direction both sides
Bolt 6, flexible printed circuit board etc.) conduction occurs, improve the safety of battery modules.
Secondly battery modules of the explanation according to the utility model second aspect.
With reference to Fig. 7, battery modules according to the present utility model include：Multiple battery units 2, each battery unit 2 have pole
The opposite electrode of property；Electrode output chip 3, one end be electrically connected to the electrode as output in multiple electrodes and the other end to overhanging
Go out；Battery modules further include：End board assembly 1 according to the utility model first aspect, through-thickness T are fixed on multiple
The both sides of battery unit 2；The corresponding bolt fixing groove 111 of end board assembly 1 is fixed on and another in output stage fixing bolt 4, one end
One end is connected to the other end of the stretching of electrode output chip 3.
In battery modules according to the present utility model, 11 straight forming of insulating end plate of end board assembly 1 has bolt to fix
Slot 111 simplifies end compared with the die casting end plate P of the prior art is reserved and can be accommodated the slot position P1 of corresponding output stage pedestal O
The assembly technology of board group part 1；In addition output stage pedestal O in the prior art is molded in such a way that plastic cement embeds copper nut, at
This is higher, and the end board assembly 1 of the utility model is without the additional output stage pedestal O that uses, it is only necessary to by output stage fixing bolt 4
It is installed on bolt fixing groove 111 and just realizes and be electrically connected with output stage, reduce the cost of end board assembly 1.
One end of the stretching of electrode output chip 3 includes：Connecting hole 31, along its length L perforations, output stage fixing bolt 4
The other end pass through and connecting hole 31 and stretch out upwards.
As shown in fig. 7,2 through-thickness T of multiple battery units is arranged and is formed two electrodes of through-thickness T arrangements
Arrange (not shown)；End board assembly 1 further includes：Locking piece 12, is embedded in insulating end plate 11 and the both ends of length direction L are exposed to
Insulating end plate 11, the lock at least one L along its length perforations pay hole 121；Battery modules further include：Insulate press strip 5, if
It is placed between two electrode rows and has：Multiple mounting holes, each fixed hole position is in the correspondence one of the length direction L of insulation press strip 5
It holds and corresponding with a lock pair hole 121 on the locking piece of end board assembly 1 12；Multiple locks pay bolt 6, and each lock is paid bolt 6 and worn
The corresponding lock of the corresponding mounting hole and end board assembly 1 of crossing insulation press strip 5 pays hole 121 and is fixed on end plate with the press strip 5 that will insulate
On component 1.Lock pays hole 121, and L is penetrated through along its length, and each lock pays bolt 6 and corresponding mounting hole and corresponding lock is passed through to pay hole 121
Insulation press strip 5 is fixed together with end board assembly 1, the fixation side of this fixed form and die casting end plate P in the prior art
Formula is compared, and the lock that can bear bigger pays torque, avoids press strip in the prior art and is fixed on die casting end by locking bolt B
Caused buckling deformation problem, improves the fixing intensity of end board assembly 1 on thin-walled on the upside of plate P.
Preferably, the quantity that lock pays hole 121 is two, is located at the both sides of the width direction W of locking piece 12.Certainly lock pays hole
121 quantity is not limited to this, and can also be one or more than two.
Locking piece 12 is embedded in the center of the width direction W of insulating end plate 11.Thus can be with insulation press strip 5 in assembly
It is corresponding and be fixed together.
In battery modules according to the present utility model, locking piece 12 and 11 integrated injection molding of insulating end plate of end board assembly 1
Molding.
Locking piece 12 also has：At least one lightening hole 122, each lightening hole 122 are paid hole 121 with lock and are spaced apart and along length
Direction L is penetrated through.Specifically, each lightening hole 122 is located between two lock pair holes 121.The setting of lightening hole 122 can mitigate lock and pay
The quality of part 12, into the total quality for mitigating battery modules.
In battery modules according to the present utility model, the locking piece 12 of end board assembly 1 also has：Concave part 123, from lock
The peripheral surface for paying part 12 inwardly concaves and L extends along its length, is used for locking piece 12 and insulation when end board assembly 1 is molded
End plate 11 tightens together.
Specifically, concave part 123 includes：First groove 1231, the surface from the sides thickness direction T of locking piece 12 are inside
Recessed and L extensions along its length；Second groove 1232 is inwardly concaved from the surface that the thickness direction T-phase of locking piece 12 is tossed about
And L extends along its length；And third groove 1233, positioned at at least side of the width direction W of locking piece 12 and concave
Enter.The quantity of first groove 1231 is one；The quantity of second groove 1232 is multiple and W arranged for interval in the width direction.The
The setting of one groove 1231, the second groove 1232 and third groove 1233 make locking piece 12 with 1 integrated injection molding of end plate at
During type, plastic cement can be filled into the first groove 1231, the second groove 1232 and third groove 1233, to increase lock
The structural strength for paying part 12 and insulating end plate 11 avoids the locking piece 12 in battery modules vibration processes from being shelled with insulating end plate 11
From.
Preferably, insulating end plate 11 is the nylon material with glass.
The material of locking piece 12 is aluminium.
Locking piece 12 is molded by squeezing aluminium.
End board assembly 1 is substantially in plate shape.Locking piece 12 is the plate shape that L extends along its length.
The insulating end plate 11 of end board assembly 1 also has：Multiple excessive glue grooves 112 are located at the thickness direction T's of insulating end plate 11
The side and surface of thickness direction T from insulating end plate 11 inwardly concaves.Multiple excessive glue grooves 112 are respectively arranged in insulating end plate 11
Inner surface width direction W both sides and along its length L be spaced apart.When insulating end plate 11 be fixed on by bonded adhesives it is multiple
When the both sides of the thickness direction T of battery unit 2, the setting of excessive glue groove 112 can accommodate extra bonded adhesives, be effectively prevented from by
Excessively there is the problem of excessive glue in gluing.
Claims (10)
1. a kind of end board assembly (1), which is characterized in that including：
Insulating end plate (11), has：At least one bolt fixing groove (111), each bolt fixing groove (111) are located at insulating end plate
(11) side of length direction (L) is simultaneously inwardly concaved from the upper surface of insulating end plate (11).
2. end board assembly (1) according to claim 1, which is characterized in that end board assembly (1) further includes：
Locking piece (12), is embedded in insulating end plate (11) and the both ends of length direction (L) are exposed to insulating end plate (11), tool
Have：The lock of at least one (L) along its length perforation pays hole (121).
3. end board assembly (1) according to claim 2, which is characterized in that locking piece (12) also has：
At least one lightening hole (122), each lightening hole (122) is spaced apart with lock pair hole (121) and (L) is penetrated through along its length.
4. end board assembly (1) according to claim 2, which is characterized in that locking piece (12) also has：Concave part (123),
It is inwardly concaved from the peripheral surface of locking piece (12) and (L) extends along its length, for paying lock when end board assembly (1) is molded
Part (12) tightens together with insulating end plate (11).
5. end board assembly (1) according to claim 1, which is characterized in that insulating end plate (11) also has：
Multiple excessive glue grooves (112) are located at the side of the thickness direction (T) of insulating end plate (11) and from the thickness of insulating end plate (11)
The surface in direction (T) inwardly concaves.
6. end board assembly (1) according to claim 1, which is characterized in that insulating end plate (11) further includes：
At least a pair of of insulation wall (114), it is solid to be located at corresponding bolt for two insulation walls (114) in each pair of insulation wall (114)
Determine the both sides of the width direction (W) of slot (111) and (L) is upwardly extended along its length.
7. a kind of battery modules, including：
Multiple battery units (2), each battery unit (2) have opposite polarity electrode；
Electrode output chip (3), one end is electrically connected to the electrode as output in multiple electrodes and the other end is protruding；
It is characterized in that, battery modules further include：
End board assembly (1) according to any one of claim 1,5 and 6, through-thickness (T) are fixed on multiple battery lists
The both sides of first (2)；
Output stage fixing bolt (4), the corresponding bolt fixing groove (111) of end board assembly (1) is fixed in one end and the other end connects
It is connected to the other end of the stretching of electrode output chip (3).
8. battery modules according to claim 7, which is characterized in that
Multiple battery unit (2) through-thickness (T) arrange and form two electrodes row of through-thickness (T) arrangement；
End board assembly (1) further includes：Locking piece (12), is embedded in insulating end plate (11) and the both ends of length direction (L) are exposed
In insulating end plate (11), the lock at least one (L) along its length perforation pays hole (121)；
Battery modules further include：Insulate press strip (5), is set between two electrode rows and has：Multiple mounting holes, each mounting hole
A lock on correspondence one end of length direction (L) of insulation press strip (5) and the locking piece (12) with end board assembly (1) is paid
Hole (121) is corresponding；
Multiple locks pay a bolts (6), and each lock pays the corresponding mounting hole and end board assembly (1) that bolt (6) passes through insulation press strip (5)
Corresponding lock is paid hole (121) and is fixed on end board assembly (1) with the press strip (5) that will insulate.
9. battery modules according to claim 8, which is characterized in that locking piece (12) also has：
At least one lightening hole (122), each lightening hole (122) is spaced apart with lock pair hole (121) and (L) is penetrated through along its length.
10. battery modules according to claim 8, which is characterized in that locking piece (12) also has：
Concave part (123), inwardly concaves from the peripheral surface of locking piece (12) and (L) extends along its length, in end plate group
Part (1) tightens together locking piece (12) with insulating end plate (11) when being molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820159268.3U CN207818738U (en) | 2018-01-30 | 2018-01-30 | End board assembly and battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820159268.3U CN207818738U (en) | 2018-01-30 | 2018-01-30 | End board assembly and battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818738U true CN207818738U (en) | 2018-09-04 |
Family
ID=63322821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820159268.3U Active CN207818738U (en) | 2018-01-30 | 2018-01-30 | End board assembly and battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207818738U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110896139A (en) * | 2018-09-12 | 2020-03-20 | 郑州深澜动力科技有限公司 | Battery pack and vehicle using same |
| CN112332006A (en) * | 2019-08-27 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN112531299A (en) * | 2020-11-27 | 2021-03-19 | 宁德时代新能源科技股份有限公司 | Mounting seat, battery and consumer |
-
2018
- 2018-01-30 CN CN201820159268.3U patent/CN207818738U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110896139A (en) * | 2018-09-12 | 2020-03-20 | 郑州深澜动力科技有限公司 | Battery pack and vehicle using same |
| CN112332006A (en) * | 2019-08-27 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Battery pack |
| US11848456B2 (en) | 2019-08-27 | 2023-12-19 | Contemporary Amperex Technology Co., Limited | Battery pack and vehicle |
| CN112531299A (en) * | 2020-11-27 | 2021-03-19 | 宁德时代新能源科技股份有限公司 | Mounting seat, battery and consumer |
| CN112531299B (en) * | 2020-11-27 | 2023-02-24 | 宁德时代新能源科技股份有限公司 | Mounting seat, battery and consumer |
| US11901571B2 (en) | 2020-11-27 | 2024-02-13 | Contemporary Amperex Technology Co., Limited | Mounting base, battery and power consuming device |
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