CN209200018U - Secondary cell and battery modules - Google Patents
Secondary cell and battery modules Download PDFInfo
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- CN209200018U CN209200018U CN201822036199.XU CN201822036199U CN209200018U CN 209200018 U CN209200018 U CN 209200018U CN 201822036199 U CN201822036199 U CN 201822036199U CN 209200018 U CN209200018 U CN 209200018U
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- electrode terminal
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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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Abstract
The utility model relates to a kind of secondary cell and battery modules.Secondary cell comprising: shell；Electrode assembly, electrode assembly are contained in housing, and electrode assembly includes main part and the tab for being connected to main part；Coping plate, coping plate are connected to shell；Electrode terminal, electrode terminal are located at the outside of coping plate, and electrode terminal has through-hole；And afflux component, it is connected between tab and electrode terminal, afflux component includes extension, and extending part is in the inside of electrode terminal；Wherein, extension and electrode terminal are welded to form the girth weld around through-hole, and girth weld through electrode terminal simultaneously extends in extension.The secondary cell of the utility model embodiment can reduce a possibility that metallic particles generated in afflux component and electrode terminal welding process enters enclosure interior, promote secondary cell safety in utilization.
Description
Technical field
The utility model relates to battery technology fields, more particularly to a kind of secondary cell and battery modules.
Background technique
Secondary cell has the characteristics that high-energy density, is environmentally protective as energy development new trend.Secondary cell is main
Including shell, electrode assembly, afflux component and cap assembly.Wherein, electrode assembly be by anode pole piece, cathode pole piece and every
From film roll around or stack, electrode assembly first with afflux Member Welding, the then electrode terminal of afflux component and cap assembly
Connection, is packed into aluminum hull for electrode assembly again later, forms secondary cell using processes such as fluid injection, chemical conversions.
To guarantee that the electrode terminal of afflux component and cap assembly has enough area of passages, frequently with the side of laser welding
Formula is closely connected, although can guarantee the energy storage requirement of secondary cell.However, inevitable real estate in laser beam welding
Raw metallic particles, big metallic particles to the very harmful of electrode assembly, and then influence secondary cell using safe.
Utility model content
The utility model embodiment provides a kind of secondary cell and battery modules.Secondary cell can reduce afflux component
A possibility that entering enclosure interior with the metallic particles generated in electrode terminal welding process, promotion secondary cell use safe
Property.
On the one hand, the utility model embodiment proposes a kind of secondary cell comprising:
Shell；Electrode assembly, electrode assembly are contained in housing, and electrode assembly includes main part and is connected to main part
Tab；Coping plate, coping plate are connected to shell；Electrode terminal, electrode terminal are located at the outside of coping plate, and electrode terminal has
Through-hole；And afflux component, it is connected between tab and electrode terminal, afflux component includes extension, and extending part is in electrode
The inside of terminal；Wherein, extension and electrode terminal are welded to form the girth weld around through-hole, and girth weld penetrates
Electrode terminal simultaneously extends in extension.
According to the one aspect of the utility model embodiment, the outer surface of electrode terminal is equipped with recess portion, and through-hole is set to recess portion
Bottom wall, the bottom wall of girth weld through recesses simultaneously extends in extension.
According to the one aspect of the utility model embodiment, electrode terminal includes the first metal layer being stacked and second
Metal layer, second metal layer are located at the side of the separate coping plate of the first metal layer, the material of the first metal layer and second metal layer
Matter is different, and the first metal layer is identical with the material of extension, and recess portion penetrates through second metal layer.
According to the one aspect of the utility model embodiment, electrode terminal includes the first metal layer being stacked and second
Metal layer, second metal layer are located at the side of the separate coping plate of the first metal layer, the material of the first metal layer and second metal layer
Matter is different, and through-hole penetrates through the first metal layer and second metal layer, the first metal layer and extension material having the same, annular welds
Socket part penetrates the first metal layer and second metal layer and extends in extension.
According to the one aspect of the utility model embodiment, composite joint is formed between the first metal layer and second metal layer
Face, secondary cell further include connecting elements, and connecting elements is resisted against second metal layer and the two forms contact surface, by electrode
Terminal is fixed on coping plate, and contact surface is located at the top in composite joint face.
According to the one aspect of the utility model embodiment, secondary cell further includes the closure part for blocking through-hole.
According to the one aspect of the utility model embodiment, secondary cell further includes the outside being connected with girth weld
Weld part, outside weld part form closure part.
According to the one aspect of the utility model embodiment, extension is connect with electrode terminal by laser welding.
According to the one aspect of the utility model embodiment, afflux component further includes the interconnecting piece for being connected to extension, even
Socket part is located at the inside of coping plate and is directly connected to tab, and interconnecting piece is sheet, and interconnecting piece is identical with the material of tab.
It include coping plate according to secondary cell provided by the embodiment of the utility model, the electrode tip that is set on the outside of coping plate
Son and be correspondingly arranged with electrode terminal and be located at the afflux component on the inside of electrode terminal.The extension of electrode terminal and afflux component
It is fixed by being welded to connect.Since welding equipment is held from extension of the outside of electrode terminal to electrode terminal and afflux component
Row welding operation, therefore the metallic particles generated in afflux component and electrode terminal welding process can be reduced and enter enclosure interior
A possibility that, promote secondary cell safety in utilization.
On the other hand, the utility model embodiment provides a kind of battery modules comprising:
The secondary cell of multiple such as above-described embodiments, multiple secondary cells are arranged side by side in the same direction；Busbar connector, confluence
Row connects for connecting two secondary cells, one end of busbar connector and the electrode terminal of a secondary cell in two secondary cells
Fixation is connect, the electrode terminal of the other end and another secondary cell is connected and fixed.
Detailed description of the invention
The feature, advantage and technical effect of the utility model exemplary embodiment described below with reference to the accompanying drawings.
Fig. 1 is the structural schematic diagram of the battery modules of an embodiment of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the secondary cell of an embodiment of the present invention；
Fig. 3 is the schematic cross-sectional view of the secondary cell of an embodiment of the present invention；
Fig. 4 is enlarged drawing at A in Fig. 3；
Fig. 5 is the partial structural diagram of the secondary cell of an embodiment of the present invention；
Fig. 6 is the partial structural diagram of the secondary cell of another embodiment of the utility model；
Fig. 7 is enlarged drawing at B in Fig. 3；
Fig. 8 is the partial structural diagram of the secondary cell of another embodiment of the utility model；
Fig. 9 is the partial structural diagram of the secondary cell of the utility model another embodiment.
In the accompanying drawings, the attached drawing is not drawn according to the actual ratio.
Description of symbols:
10, secondary cell；
20, shell；
30, electrode assembly；301, main part；302, tab；
40, coping plate；
50, electrode terminal；50a, through-hole；50b, recess portion；500, closure part；501, the first metal layer；502, the second metal
Layer；503, composite joint face；
60, afflux component；601, extension；602, interconnecting piece；
70, girth weld；71, outside weld part；
80, connecting elements；80a, contact surface；
90, battery modules；
901, busbar connector.
Specific embodiment
The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment
The detailed description and the accompanying drawings for illustratively illustrating the principles of the present invention, but cannot be used to limit the model of the utility model
It encloses, i.e., the utility model is not limited to described embodiment.
In the description of the present invention, it should be noted that unless otherwise indicated, the meaning of " plurality " is two or two
More than a；The orientation or positional relationship of the instructions such as term " on ", "lower", "left", "right", "inner", "outside" is merely for convenience of retouching
State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second "
Etc. being used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art,
Visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
The utility model in order to better understand, below with reference to Fig. 1 to Fig. 9 to the battery modules of the utility model embodiment
90 and secondary cell 10 be described in detail.
Shown in Figure 1, the utility model embodiment also provides a kind of battery modules 90 comprising: it is multiple such as above-mentioned reality
Apply the secondary cell 10 of example and the busbar connector 901 for connecting two secondary cells 10.Multiple secondary cells 10 are along same side
To be arranged side by side.One end of busbar connector 901 is connected and fixed with a secondary cell 10 in two secondary cells 10, the other end with
Another secondary cell 10 is connected and fixed.
The battery modules 90 of the utility model embodiment, the secondary cell 10 including above-described embodiment.Due to above-mentioned implementation
Example 10 inherently safe performance of secondary cell it is good, therefore promoted the present embodiment battery modules 90 use process safety and can
By property.
Shown in Figure 2, the secondary cell 10 of the utility model embodiment includes shell 20, the electricity being set in shell 20
Pole component 30 and the cap assembly being tightly connected with shell 20.
The shell 20 of the present embodiment can have hexahedral shape or other shapes.Shell 20 has 30 He of accommodate electrod component
The inner space of electrolyte.Shell 20 can be manufactured by such as aluminium, aluminium alloy or plastic or other material.
Shown in referring to figs. 2 and 3, the electrode assembly 30 of the present embodiment can by by the first pole piece, the second pole piece and every
Plate is stacked or is wound together and forms main part 301, wherein partition is the insulation between the first pole piece and the second pole piece
Body.In the present embodiment, illustratively using the first pole piece as positive plate, the second pole piece is illustrated for negative electrode tab.Similarly, exist
In other embodiments, the first pole piece can also be negative electrode tab, and the second pole piece is positive plate.In addition, positive active material quilt
On coating area coated in positive plate, and negative electrode active material is applied on the coating area of negative electrode tab.Extend from main part 301
Uncoated area out is then used as tab 302, and electrode assembly 30 includes two tabs 302, i.e. anode ear and negative electrode lug, anode ear from
Extend the coating area of positive plate；Negative electrode lug extends from the coating area of negative electrode tab.
The cap assembly of the present embodiment includes the coping plate 40 being tightly connected with shell 20, the electricity being set on coping plate 40
Extreme son 50 and the afflux component 60 being connected with electrode terminal 50.The coping plate 40 of the present embodiment has electrode fairlead.
The electrode terminal 50 of the present embodiment is located at the outside of coping plate 40 and is fixed on coping plate 40 by connecting elements 80.This implementation
The electrode terminal 50 of example covers electrode fairlead.The electrode terminal 50 of the present embodiment with busbar connector 901 for being connected and fixed.This reality
The afflux component 60 for applying example includes extension 601 and the interconnecting piece 602 for being connected to extension 601.Extension 601 is located at electrode tip
The inside of son 50.Interconnecting piece 602 is located at the inside of coping plate 40 and is directly connected to the tab of electrode assembly 30 302.Preferably,
Interconnecting piece 602 is sheet, and interconnecting piece 602 is attached with tab 302 by ultrasonic bonding.Extension 601 is towards close
The direction of electrode terminal 50 extends and protrudes into electrode fairlead.Extension 601 is connect with electrode terminal 50.Preferably, extension
601 are attached with electrode terminal 50 by laser welding.Extension 601 and electrode terminal 50 are welded to form girth weld
70.70 through electrode terminal 50 of girth weld simultaneously extends in extension 601, to realize electrode terminal 50 and extension
601 are connected and fixed.In the present embodiment, laser can be irradiated in electrode terminal 50 from the outside of coping plate 40, so that electrode tip
Son 50 and extension 601 are attached by laser welding.Since laser is incident, Laser Welding from the outside of coping plate 40
Raw metallic particles of practicing midwifery will not fall into the inside of coping plate 40 (i.e. inside shell 20) and there is electrode assembly 30 and occur
The risk of short circuit, it is thus eliminated that laser welding bring security risk.
Referring to fig. 4 to shown in Fig. 7, the electrode terminal 50 of the present embodiment has through-hole 50a.Girth weld 70 is logical around this
Hole 50a.Thus it is possible, on the one hand, detection device can be used before being subjected to electrode terminal 50 and extension 601
By through-hole 50a detecting electrode terminal 50 towards the surface of electrode assembly 30 and extension 601 towards the top of electrode terminal 50
Whether it is bonded between face, is welded under the state that fits closely so as to which electrode terminal 50 and extension 601 is effectively ensured
Operation, and then it is reliable and stable to guarantee that electrode terminal 50 and extension 601 weld, and reduces the possibility that rosin joint occurs or can not weld
Property；On the other hand, since electrode terminal 50 and extension 601 are bonded and form contact area, in electrode terminal 50 and extension
In 601 welding process, the gas accumulated in the circular above-mentioned contact area of girth weld 70 can be in time from logical
Hole 50a is discharged into atmospheric environment, without being closed in region defined by girth weld 70, to be effectively reduced because of gas
Body can not discharge in time and lead to that rosin joint occurs between electrode terminal 50 and extension 601 or generate inside girth weld 70
A possibility that excessive stomata.
Shown in Figure 4, the electrode terminal 50 of the present embodiment is an integral structure.Electrode terminal 50 and extension 601
Material is identical.Through-hole 50a runs through entire electrode terminal 50.Girth weld 70 runs through entire electrode terminal 50, and annular welds
Socket part 70 is exposed to the top surface of electrode terminal 50.In one embodiment, identical with element shown in Fig. 4 in Fig. 5
Element is indicated using identical label, and description explanation is not repeated in structure something in common, mainly illustrates structure difference.
Shown in Figure 5, the outer surface of electrode terminal 50 is equipped with recess portion 50b.Through-hole 50a is set to the bottom wall of recess portion 50b.Girth weld
The bottom wall of 70 through recesses 50b simultaneously extends in extension 601.Thus it is possible, on the one hand, girth weld 70 will not protrude from electrode
The top surface of terminal 50 reduces a possibility that with busbar connector 901 location conflicts occur for girth weld 70；On the other hand, electrode tip
The thickness that the region of recess portion 50b is arranged on son 50 is smaller relative to the thickness in other regions, so as to use power lower
Welding equipment executes welding operation to electrode terminal 50 and extension 601, reduces welding equipment power requirement.
In Fig. 6, element identical with element shown in Fig. 4 is indicated using identical label, and structure is identical
Description explanation is not repeated in place, mainly illustrates structure difference.Shown in Figure 6, the electrode terminal 50 of the present embodiment wraps
Include the first metal layer 501 being stacked and second metal layer 502.Second metal layer 502 is located at the separate of the first metal layer 501
The side of coping plate 40.The first metal layer 501 is different with the material of second metal layer 502.Through-hole 50a penetrates through the first metal layer
501 and second metal layer 502.The first metal layer 501 and the material having the same of extension 601.Girth weld 70 penetrates
One metal layer 501 and second metal layer 502 simultaneously extend in extension 601.Due to the extension 601 and electrode of afflux component 60
The first metal layer 501 of terminal 50 is identical material, therefore extension 601 and the first metal layer 501 can pass through laser welding
Mode be connected and fixed, and the two be welded to connect state it is reliable and stable, bonding strength is big.In one example, the first metal layer
501 material and the material of afflux component 60 are copper, and the material of second metal layer 502 is aluminium；Alternatively, the first metal layer 501
Material and the material of afflux component 60 be aluminium, the material of second metal layer 502 is copper.
In Fig. 7, element identical with element shown in Fig. 6 is indicated using identical label, and structure is identical
Description explanation is not repeated in place, mainly illustrates structure difference.It is shown in Figure 7, the electrode terminal 50 of the present embodiment
Outer surface is equipped with recess portion 50b.Recess portion 50b penetrates through second metal layer 502.Through-hole 50a is set to the bottom wall of recess portion 50b.Annular solder
The bottom wall of 70 through recesses 50b of portion simultaneously extends in extension 601.In the present embodiment, the first metal layer 501 forms recess portion 50b
Bottom wall.Thus it is possible, on the one hand, girth weld 70 will not protrude from the top surface of electrode terminal 50, reduce girth weld 70 with
A possibility that location conflicts, occurs for busbar connector 901；On the other hand, the thickness phase in the region of recess portion 50b is set on electrode terminal 50
It is smaller for the thickness in other regions, so as to use the lower welding equipment of power to electrode terminal 50 and extension 601
Welding operation is executed, welding equipment power requirement is reduced.Optionally, recess portion 50b penetrates through second metal layer 502 and extends to first
In metal layer 501.
It is shown in Figure 6, composite joint face is formed between the first metal layer 501 and second metal layer 502 of the present embodiment
503.Secondary cell 10 further includes connecting elements 80.Connecting elements 80 is resisted against second metal layer 502 and the two forms contact
Electrode terminal 50 is fixed on coping plate 40 by face 80a.Contact surface 80a is located at the top in composite joint face 503.In this way, connection
A part of component 80 is located at the top in composite joint face 503, can apply pressure to second metal layer 502, to reduce multiple
Joint face 503 is closed due to a possibility that being broken by tensile stress.
In one embodiment, shown in Figure 7, the outer surface of electrode terminal 50 is equipped with recess portion 50b.Recess portion 50b perforation
Second metal layer 502 simultaneously extends in the first metal layer 501, so that the bottom surface of recess portion 50b is located under composite joint face 503
Side.Since recess portion 50b penetrates through second metal layer 502 and extends to inside the first metal layer 501, so that the first metal layer 501
Upper surface expose, therefore from outside carry out laser welding when, can to avoid second metal layer 502 melt and be mixed into the first gold medal
Belong in the molten bath generated when layer 501 and the welding of afflux component 60.Due to the material of the first metal layer 501 and second metal layer 502
Difference, if second metal layer 502 melts and is mixed into the molten bath generated when the first metal layer 501 and the welding of afflux component 60
In, brittle metallic compound can be generated, to reduce weld strength.
Shown in Figure 8, the secondary cell 10 of the present embodiment further includes the closure part 500 for blocking through-hole 50a.It blocks
Portion 500 can stop foreign to enter in through-hole 50a, protect to be formed to girth weld 70.In one embodiment
In, closure part 500 is soil block cloddy, is matched with the shape of through-hole 50a, and be interference fitted with through-hole 50a.At another
Shown in Figure 9 in embodiment, secondary cell 10 further includes the outside weld part 71 being connected with girth weld 70, outside
Weld part 71 forms closure part 500.In one example, outside weld part 71 is an integral structure with girth weld 70.It is logical
It crosses when being welded to electrode terminal 50 and extension 601, is formed simultaneously girth weld 70 and outside weld part 71.
Referring to fig. 2 and shown in Fig. 4, the afflux component 60 of the present embodiment further includes the interconnecting piece for being connected to extension 601
602.Interconnecting piece 602 is located at the inside of coping plate 40 and is directly connected to tab 302.Interconnecting piece 602 is sheet, interconnecting piece 602
It is identical with the material of tab 302.The inside of coping plate 40 is located at due to interconnecting piece 602 and is directly connected to and connect with tab 302
Portion 602 is sheet, to advantageously reduce interconnecting piece 602 to the occupancy of 20 inner space of shell, improves secondary cell 10
Energy density.Interconnecting piece 602 is identical with the material of tab 302 simultaneously.Due to tab 302 be laminated structure, tab 302 with
Interconnecting piece 602 can be attached by ultrasonic bonding, reduce tab 302 and metal occurs in 602 welding process of interconnecting piece
A possibility that grain, and the connection area of the two is larger, so that connection status is reliable and stable.
Include coping plate 40 according to secondary cell 10 provided by the embodiment of the utility model, be set to 40 outside of coping plate
Electrode terminal 50 and the afflux component 60 that 50 inside of electrode terminal is correspondingly arranged and be located at electrode terminal 50.50 He of electrode terminal
The extension 601 of afflux component 60 is connected and fixed by welding manner.Since welding equipment is right from the outside of electrode terminal 50
The extension 601 of electrode terminal 50 and afflux component 60 executes welding operation, therefore can reduce afflux component 60 and electrode tip
A possibility that metallic particles generated in sub 50 welding processes enters 20 inside of shell, promote 10 safety in utilization of secondary cell.
In addition, the electrode terminal 50 of the present embodiment has through-hole 50a.Through-hole 50a can be used as exhaust passage or sense channel.This
On the one hand sample is easy to use between detection device detecting electrode terminal 50 and extension 601 and is bonded tightness degree, another party
Face lodges in the gas energy between electrode terminal 50 and extension 601 in 601 welding process of electrode terminal 50 and extension
Atmospheric environment is enough emitted by through-hole 50a, so that reduce leads to electrode terminal 50 and prolong because gas can not discharge in time
A possibility that rosin joint occurs between extending portion 601 or generates excessive stomata inside girth weld 70.
Although the present utility model has been described by reference to the preferred embodiments, but in the model for not departing from the utility model
In the case where enclosing, various improvement can be carried out to it and can replace component therein with equivalent, especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments be can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but is included all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of secondary cell characterized by comprising
Shell；
Electrode assembly, the electrode assembly are contained in the shell, and the electrode assembly includes main part and is connected to institute
State the tab of main part；
Coping plate, the coping plate are connected to the shell；
Electrode terminal, the electrode terminal are located at the outside of the coping plate, and the electrode terminal has through-hole；And
Afflux component is connected between the tab and the electrode terminal, and the afflux component includes extension, the extension
Portion is located at the inside of the electrode terminal；
Wherein, the extension and the electrode terminal are welded to form the girth weld around the through-hole, the annular
Weld part penetrates the electrode terminal and extends in the extension.
2. secondary cell according to claim 1, which is characterized in that the outer surface of the electrode terminal is equipped with recess portion, institute
The bottom wall that through-hole is set to the recess portion is stated, the girth weld penetrates the bottom wall of the recess portion and extends to the extension
In portion.
3. secondary cell according to claim 2, which is characterized in that the electrode terminal includes the first gold medal being stacked
Belong to layer and second metal layer, the second metal layer is located at the side far from the coping plate of the first metal layer, described
The first metal layer is different with the material of the second metal layer, and the first metal layer is identical with the material of the extension, institute
It states recess portion and penetrates through the second metal layer.
4. secondary cell according to claim 1, which is characterized in that the electrode terminal includes the first gold medal being stacked
Belong to layer and second metal layer, the second metal layer is located at the side far from the coping plate of the first metal layer, described
The first metal layer is different with the material of the second metal layer, and the through-hole penetrates through the first metal layer and second metal
Layer, the first metal layer and extension material having the same, the girth weld penetrate the first metal layer
With the second metal layer and extend in the extension.
5. secondary cell according to claim 3 or 4, which is characterized in that the first metal layer and second metal
Composite joint face is formed between layer, the secondary cell further includes connecting elements, and the connecting elements is resisted against second gold medal
Belong to layer and the two forms contact surface, the electrode terminal is fixed on the coping plate, the contact surface is located at described multiple
Close the top of joint face.
6. secondary cell according to any one of claims 1 to 4, which is characterized in that the secondary cell further includes being used for
Block the closure part of the through-hole.
7. secondary cell according to claim 6, which is characterized in that the secondary cell further includes and the annular solder
The outside weld part that portion is connected, the outside weld part form the closure part.
8. secondary cell according to any one of claims 1 to 4, which is characterized in that the extension and the electrode tip
Son is connected by laser welding.
9. secondary cell according to any one of claims 1 to 4, which is characterized in that the afflux component further includes connection
In the interconnecting piece of the extension, the connecting portion in the coping plate inside and be directly connected to the tab, it is described
Interconnecting piece is sheet, and the interconnecting piece is identical with the material of the tab.
10. a kind of battery modules characterized by comprising
Multiple secondary cells as described in any one of claim 1 to 9, multiple secondary cells are set side by side in the same direction
It sets；
Busbar connector, for the busbar connector for connecting two secondary cells, one end of the busbar connector is described secondary with two
The electrode terminal of a secondary cell in battery is connected and fixed, the institute of the other end and another secondary cell
Electrode terminal is stated to be connected and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822036199.XU CN209200018U (en) | 2018-12-05 | 2018-12-05 | Secondary cell and battery modules |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822036199.XU CN209200018U (en) | 2018-12-05 | 2018-12-05 | Secondary cell and battery modules |
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| CN209200018U true CN209200018U (en) | 2019-08-02 |
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| EP4266481A4 (en) * | 2021-08-23 | 2024-09-04 | Contemporary Amperex Technology Co Ltd | Battery cell, battery, and electric device |
| CN115775940A (en) * | 2021-09-08 | 2023-03-10 | 中创新航科技股份有限公司 | Battery cover plate assembly, battery preparation method and battery |
| WO2023050285A1 (en) * | 2021-09-30 | 2023-04-06 | 宁德时代新能源科技股份有限公司 | Battery cell and manufacturing method and manufacturing system therefor, battery, and power consuming device |
| CN114284611A (en) * | 2021-12-27 | 2022-04-05 | 湖北亿纬动力有限公司 | Secondary battery, battery module, battery pack, and method for manufacturing secondary battery |
| WO2023148548A1 (en) * | 2022-02-03 | 2023-08-10 | G.D S.P.A. | Method to produce a battery for energy storage |
| WO2023148547A1 (en) * | 2022-02-03 | 2023-08-10 | G.D S.P.A. | Battery for energy storage |
| WO2023148546A1 (en) * | 2022-02-03 | 2023-08-10 | G.D S.P.A. | Method to produce a battery for energy storage |
| WO2023148550A1 (en) * | 2022-02-03 | 2023-08-10 | G.D S.P.A. | Method to produce a battery for energy storage |
| IT202200001841A1 (en) * | 2022-02-03 | 2023-08-03 | Gd Spa | Battery for energy storage |
| IT202200010673A1 (en) * | 2022-05-23 | 2023-11-23 | Gd Spa | Method of producing an energy storage battery. |
| WO2024178553A1 (en) * | 2023-02-27 | 2024-09-06 | 宁德时代新能源科技股份有限公司 | Battery cell, battery and electrical apparatus |
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