CN220895783U - Connection piece assembly and battery - Google Patents

Connection piece assembly and battery Download PDF

Info

Publication number
CN220895783U
CN220895783U CN202322529425.9U CN202322529425U CN220895783U CN 220895783 U CN220895783 U CN 220895783U CN 202322529425 U CN202322529425 U CN 202322529425U CN 220895783 U CN220895783 U CN 220895783U
Authority
CN
China
Prior art keywords
limiting part
cross
section
clamping interface
piece body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322529425.9U
Other languages
Chinese (zh)
Inventor
张蒙
李树军
唐堃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liyang Zhongke Haina Technology Co ltd
Original Assignee
Liyang Zhongke Haina Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liyang Zhongke Haina Technology Co ltd filed Critical Liyang Zhongke Haina Technology Co ltd
Priority to CN202322529425.9U priority Critical patent/CN220895783U/en
Application granted granted Critical
Publication of CN220895783U publication Critical patent/CN220895783U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Connection Of Batteries Or Terminals (AREA)

Abstract

The utility model discloses a connecting sheet assembly and a battery. The connecting piece assembly comprises a connecting piece body and a connecting buckle, wherein the connecting piece body is provided with a first clamping interface which penetrates through the connecting piece body, the connecting buckle comprises a connecting part, a first limiting part and a second limiting part, the connecting buckle penetrates through the second clamping interface and the first clamping interface of the lug, and the first limiting part can penetrate through the second clamping interface and the first clamping interface so that the connecting piece body and the lug are limited and fixed between the first limiting part and the second limiting part and form electric connection. Through with connection piece body and utmost point post welding to spacing fixed and the butt of connection piece body and utmost point ear through the connector link, can form stable electric connection, and avoided adopting a series of problems such as the operation degree of difficulty that ultrasonic welding technology brought among the prior art is big, influence factor is many, welding quality is unstable, ensured the yields and the performance of battery, also improved the efficiency of battery production, be favorable to implementing automated battery production.

Description

Connection piece assembly and battery
Technical Field
The utility model relates to the technical field of battery core structures, in particular to a connecting sheet assembly and a battery.
Background
In the existing battery, the battery comprises a shell, a battery cell, a connecting sheet and a cover plate assembly, wherein the shell is used for accommodating the battery cell, the cover plate assembly is used for sealing the shell and can be electrically connected with the battery cell through the connecting sheet, and therefore the electric energy of the battery cell can be conveniently taken by an electric element through the cover plate assembly.
Taking a common aluminum shell battery as an example, a pole in the cover plate assembly is welded with the connecting sheet, and the connecting sheet is welded with a pole lug of the battery cell, so that the cover plate assembly is electrically connected with the battery cell through the connecting sheet. Wherein, the welding connection of the connecting sheet and the battery core is usually ultrasonic welding. However, the cost of ultrasonic welding is high, and the welding quality of ultrasonic welding is influenced by the cleanliness of the connecting sheet and the battery cell, the energy control and the amplitude control of ultrasonic waves, the quality of the welding head fixture and other factors, so that the welding quality between the connecting sheet and the tab of the battery cell is unstable, a series of problems such as weak overcurrent capacity between the connecting sheet and the tab are easily caused, and the yield and the performance of the battery are influenced.
Based on the foregoing, there is a need for a connecting sheet assembly and a battery to solve the above-mentioned problems.
Disclosure of utility model
The utility model aims to provide a connecting sheet assembly which can electrically connect a tab with a pole, has stable connection quality and higher connection efficiency.
To achieve the purpose, the utility model adopts the following technical scheme:
the connection piece subassembly for connect the utmost point ear electricity of apron subassembly and electric core, include:
the connecting piece body is provided with a first clamping interface which is arranged in a penetrating way;
The connecting buckle comprises a connecting part, a first limiting part and a second limiting part, wherein one end of the connecting part is provided with the first limiting part, the other end of the connecting part is provided with the second limiting part, and the connecting buckle penetrates through a second clamping interface and the first clamping interface of the tab; the first limiting part can penetrate through the second clamping interface and the first clamping interface, so that the connecting sheet body and the tab are limited and fixed between the first limiting part and the second limiting part, and are electrically connected.
Optionally, the cross section of the connecting buckle is polygonal or circular along the direction parallel to the connecting piece body.
Optionally, the first limiting portion may sequentially pass through the second card interface and the first card interface, and the cross section of the second limiting portion is greater than the cross section of the first limiting portion, and the cross section of the first limiting portion is greater than the cross section of the connecting portion along a direction parallel to the connecting piece body.
Optionally, along a direction parallel to the connecting piece body, the cross section of the second limiting part, the cross section of the first limiting part and the cross section of the connecting part are rectangular with equal length, the width of the cross section of the second limiting part is larger than that of the cross section of the first limiting part, and the width of the cross section of the first limiting part is larger than that of the cross section of the connecting part; or alternatively
The cross section of the second limiting part, the cross section of the first limiting part and the cross section of the connecting part are all round along the direction parallel to the connecting piece body, the diameter of the cross section of the second limiting part is larger than that of the cross section of the first limiting part, and the diameter of the cross section of the first limiting part is larger than that of the cross section of the connecting part.
Optionally, the connecting piece body is provided with at least two first card interfaces, and the connecting piece assembly includes at least two connecting buckles.
Optionally, the first limiting portion is in interference fit with the first card interface, and the first limiting portion is configured to elastically deform under an external force of a preset size so as to pass through the first card interface.
Optionally, the first limiting portion is provided with a guiding cambered surface, and the guiding cambered surface is used for guiding the first limiting portion to pass through the second card interface and the first card interface.
Optionally, the first limiting part has a first bonding surface, and the first bonding surface can be bonded and abutted to the connecting sheet body; and/or the number of the groups of groups,
The second limiting part is provided with a second bonding surface, and the second bonding surface can be bonded and abutted to the tab.
The utility model aims to provide a battery which has higher yield and production efficiency and better service performance.
To achieve the purpose, the utility model adopts the following technical scheme:
The battery is characterized by comprising a battery core, a cover plate assembly and the connecting piece assembly, wherein the connecting piece body of the connecting piece assembly is welded and connected to the pole post of the cover plate assembly, and the connecting buckle of the connecting piece assembly penetrates through the first clamping interface of the connecting piece body and the second clamping interface of the pole lug of the battery core so as to fixedly connect the connecting piece body with the pole lug and electrically connect the connecting piece body with the pole lug.
Optionally, the pole of the cover assembly protrudes from the lower insulating layer of the cover assembly, so that a distance between the connecting piece body and the lower insulating layer is greater than a height of the first limiting portion of the connecting buckle.
The connecting piece assembly and the battery provided by the utility model have the beneficial effects that: through with connection piece body and utmost point post welding to spacing fixed and the butt of connection piece body and utmost point ear through the connector link, can form stable electric connection, and avoided adopting a series of problems such as the operation degree of difficulty that ultrasonic welding technology brought among the prior art is big, influence factor is many, welding quality is unstable, ensured the yields and the performance of battery, also improved the efficiency of battery production, be favorable to implementing automated battery production.
Drawings
Fig. 1 is a schematic top view of the internal structure of a battery provided by the present utility model;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a partial enlarged view at B in FIG. 2;
Fig. 4 is a schematic perspective view of the structure of the connecting buckle provided by the utility model.
In the figure:
1. A connecting piece assembly; 11. a connecting piece body; 111. a first card interface; 12. a connecting buckle; 121. a first limit part; 1211. a first bonding surface; 122. a connection part; 123. a second limit part; 1231. a second bonding surface;
2. a battery cell; 21. a tab; 211. a second card interface;
3. a cover plate assembly; 31. a pole; 32. and a lower insulating layer.
Detailed Description
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The connecting sheet assembly 1 and the battery provided by the present utility model are described below with reference to fig. 1 to 4.
As shown in fig. 1 and 2, the connecting piece assembly 1 is used in a battery, the battery mainly comprises a battery core 2, a cover plate assembly 3 and the connecting piece assembly 1, the connecting piece assembly 1 is electrically connected between a pole 31 of the cover plate assembly 3 and a pole lug 21 of the battery core 2, and the two are fixedly connected, so that the battery core 2 can be stably powered.
Specifically, as shown in fig. 2 to 4, the connection tab assembly 1 includes a connection tab body 11 and a connection buckle 12, which can form a snap connection, and fixedly connect the tab 21 and the connection tab body 11 to form an electrical connection. Specifically, as shown in fig. 3, the connecting buckle 12 includes a second limiting portion 123, a connecting portion 122 and a first limiting portion 121 that are sequentially connected, the first limiting portion 121 is connected to one end of the connecting portion 122, and the second limiting portion 123 is connected to the other end of the connecting portion 122.
The connecting piece body 11 is provided with a first card interface 111, and the tab 21 is provided with a second card interface 211. As shown in fig. 3 and 4, when the connecting buckle 12 fixedly connects and electrically connects the connecting piece body 11 and the tab 21, the first limiting portion 121 can pass through the second clamping interface 211 and the first clamping interface 111, so that the connecting portion 122 passes through the second clamping interface 211 and the first clamping interface 111, the first limiting portion 121 abuts against the outer side (i.e. the side far away from the second limiting portion 123) of one of the connecting piece body 11 and the tab 21, and the second limiting portion 123 abuts against the outer side (i.e. the side far away from the first limiting portion 121) of the other one of the connecting piece body 11 and the tab 21, thereby limiting and fixing the connecting piece body 11 and the tab 21 between the first limiting portion 121 and the second limiting portion 123, and making the two abut against each other to form an electrical connection (for convenience of illustration in fig. 2 and 3, the two are only partially abutting against each other).
Through welding connection piece body 11 and utmost point post 31 to spacing fixed and butt of connection piece body 11 and utmost point ear 21 through connector link 12, can form stable electric connection, and avoided adopting a series of problems such as the operation degree of difficulty that ultrasonic welding technology brought is big, influence factor is many, welding quality is unstable among the prior art, ensured the yields and the performance of battery, also improved the efficiency of battery production, be favorable to implementing automated battery production.
Specifically, in the present embodiment, the first limiting portion 121 is disposed in an interference fit with the first card interface 111, and the connecting portion 122 is disposed in a clearance fit with the first card interface 111. It should be noted that, the connecting buckle 12 is a plastic member, and the first limiting portion 121 is in interference fit with the first clamping interface 111, so that the first limiting portion 121 can be elastically deformed to pass through the first clamping interface 111 after being extruded by an external force with a preset size, and cannot reversely pass through the first clamping interface 111 again in a normal use process of the battery. It is to be understood that the magnitude of the external force may be determined according to the specific material of the connecting buckle 12, the tolerance between the first limiting portion 121 and the first card interface 111, which is not specifically limited in the present utility model.
Alternatively, in the present embodiment, as shown in fig. 3 and 4, the first limiting portion 121 has a first bonding surface 1211, the first bonding surface 1211 can be abutted against the connecting piece body 11, the second limiting portion 123 has a second bonding surface 1231, and the second bonding surface 1231 can be abutted against the tab 21. Through the first bonding surface 1211 and the second bonding surface 1231, stress concentration to the tab 21 or the connecting buckle 12 can be avoided, so that the probability of the tab 21 being damaged by pressure loss can be reduced, and the probability of the tab 21 being separated from the connecting piece body 11 due to bending of the second limiting portion 123 can be reduced. Preferably, the second limiting portion 123 has two second attaching surfaces 1231, and the two second attaching surfaces 1231 are respectively located at two sides of the connecting portion 122, so that the second limiting portion 123 is stressed symmetrically and uniformly, and the possibility of bending and breaking the second limiting portion 123 is further reduced.
In the present embodiment, referring to fig. 3 and 4, the cross section of the connecting buckle 12 is polygonal or circular along the direction parallel to the connecting piece body 11. Preferably, in this embodiment, the cross section of the connecting buckle 12 is rectangular, and compared with a circular shape, the connecting buckle 12 can have a certain width (the width refers to the length of the cross section specifically), which is beneficial to shortening the height of the tab 21 or reducing the number of the connecting buckles 12, and increasing the connection stability of the tab 21 and the connecting piece assembly 1. Referring to fig. 1, it can be understood that when the connecting buckle 12 is disposed parallel to the width direction of the tab 21, only a smaller tab 21 height is required to satisfy the second card interface 211, and if the connecting buckle 12 with a circular cross section is used, the tab 21 height needs to be increased, or a larger number of connecting buckles 12 with smaller diameters are used to achieve the same connecting effect.
Further, in the present embodiment, as shown in fig. 3 and 4, the cross section of the second limiting portion 123 is larger than the cross section of the first limiting portion 121 in the direction parallel to the connecting piece body 11, and the cross section of the first limiting portion 121 is larger than the cross section of the connecting portion 122. The first limiting portion 121 is configured to sequentially pass through the second clamping interface 211 and the first clamping interface 111, and abut against the outer side of the connecting piece body 11 after passing through the second clamping interface, and the second limiting portion 123 is configured to abut against the outer side of the tab 21. Through reasonable setting of connecting portion 122, first spacing portion 121 and the cross-section size of second spacing portion 123, can enough guarantee the spacing fixed effect of connector link 12 to connection piece body 11 and utmost point ear 21, also can make to have great faying surface (for example foretell second faying surface 1231) between utmost point ear 21 and the second spacing portion 123, avoid utmost point ear 21 to be easily damaged by the pressure loss because of the material is softer, lead to appearing the phenomenon such as separation, utmost point ear 21 fracture between utmost point ear 21 and the connection piece body 11.
Illustratively, in the present embodiment, the cross section of the second limiting portion 123, the cross section of the first limiting portion 121, and the cross section of the connecting portion 122 are rectangular with equal lengths along the direction parallel to the connecting piece body 11, and the width of the cross section of the second limiting portion 123 is greater than the width of the cross section of the first limiting portion 121, and the width of the cross section of the first limiting portion 121 is greater than the width of the cross section of the connecting portion 122. The connecting buckle 12 can make a larger joint surface between the tab 21 and the second limiting portion 123, so that the tab 21 is prevented from being easily damaged by pressure loss due to softer material, and the use quantity of the connecting buckle 12 is reduced.
Alternatively, in some other embodiments, the cross section of the second limiting portion 123, the cross section of the first limiting portion 121, and the cross section of the connecting portion 122 are all circular along the direction parallel to the connecting piece body 11, and the diameter of the cross section of the second limiting portion 123 is larger than the diameter of the cross section of the first limiting portion 121, and the diameter of the cross section of the first limiting portion 121 is larger than the diameter of the cross section of the connecting portion 122. The connecting buckle 12 can also make a larger bonding surface between the tab 21 and the second limiting portion 123, so as to avoid the tab 21 from being easily damaged by pressure loss due to softer material.
As shown in fig. 4, in the present embodiment, the first limiting portion 121 is provided with a guiding cambered surface, and the guiding cambered surface is used for guiding the first limiting portion 121 to pass through the second card interface 211 and the first card interface 111, so that assembly is further simplified, and the tab 21 and the cover plate assembly 3 are conveniently and fixedly connected and electrically connected in an automated manner through the connecting sheet assembly 1, so that the assembly efficiency of the battery can be further improved.
The utility model also provides a battery, which comprises the battery core 2, the cover plate assembly 3 and the connecting piece assembly 1, wherein the connecting piece body 11 of the connecting piece assembly 1 is welded and connected to the pole column 31 of the cover plate assembly 3, and the connecting buckle 12 of the connecting piece assembly 1 is penetrated through the first clamping interface 111 of the connecting piece body 11 and the second clamping interface 211 of the pole lug 21 of the battery core 2 so as to fixedly connect and electrically connect the connecting piece body 11 and the pole lug 21. Through welding connection piece body 11 and utmost point post 31 in the battery to spacing fixed and the butt of connection piece body 11 and utmost point ear 21 through connector link 12, can form stable electric connection, and avoided adopting a series of problems such as the operation degree of difficulty that ultrasonic welding technology brought among the prior art is big, influence factor is many, welding quality is unstable, ensured the yields and the performance of battery, also improved the efficiency of battery production, be favorable to implementing automated battery production.
Further, in the present embodiment, as shown in fig. 3, the pole 31 of the cover assembly 3 protrudes from the lower insulating layer 32 of the cover assembly 3, so that the distance between the connecting piece body 11 and the lower insulating layer 32 is greater than the height of the first limiting portion 121 of the connecting buckle 12, so as to provide enough accommodation space for the first limiting portion 121, and avoid interference between the first limiting portion 121 and the lower insulating layer 32.
Alternatively, in the present embodiment, the battery includes two battery cells 2, and the two battery cells 2 are symmetrically disposed with the cap assembly 3 as a center of symmetry. Two sides of the connecting sheet body 11 are respectively provided with a first clamping interface 111, and each connecting sheet body 11 is connected with two connecting buckles 12 so as to be electrically connected with corresponding lugs 21 of two electric cores 2 through one connecting sheet body 11. Of course, in some other embodiments, according to the number, arrangement, etc. of the battery cells 2, more first card interfaces 111 may be provided on the connecting piece body 11, and a corresponding number of connecting buckles 12 may be correspondingly connected, which is not specifically limited in the present utility model.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The connection piece subassembly for connect the utmost point ear (21) of apron subassembly (3) and electric core (2) electricity, its characterized in that includes:
a connecting piece body (11), wherein the connecting piece body (11) is provided with a first clamping interface (111) which is arranged in a penetrating way;
The connecting buckle (12), the connecting buckle (12) comprises a connecting part (122), a first limiting part (121) and a second limiting part (123), one end of the connecting part (122) is provided with the first limiting part (121), the other end of the connecting part (122) is provided with the second limiting part (123), and the connecting buckle (12) penetrates through a second clamping interface (211) and a first clamping interface (111) of the lug (21); the first limiting part (121) can penetrate through the second clamping interface (211) and the first clamping interface (111), so that the connecting sheet body (11) and the tab (21) are limited and fixed between the first limiting part (121) and the second limiting part (123) and form electric connection.
2. The connector assembly of claim 1, wherein,
The cross section of the connecting buckle (12) is polygonal or circular along the direction parallel to the connecting sheet body (11).
3. The connector assembly of claim 2, wherein,
The first limiting part (121) can sequentially penetrate through the second clamping interface (211) and the first clamping interface (111), the cross section of the second limiting part (123) is larger than the cross section of the first limiting part (121) along the direction parallel to the connecting sheet body (11), and the cross section of the first limiting part (121) is larger than the cross section of the connecting part (122).
4. The connecting tab assembly of claim 3 wherein the connecting tab is,
The cross section of the second limiting part (123), the cross section of the first limiting part (121) and the cross section of the connecting part (122) are rectangular with equal length along the direction parallel to the connecting piece body (11), the width of the cross section of the second limiting part (123) is larger than that of the cross section of the first limiting part (121), and the width of the cross section of the first limiting part (121) is larger than that of the cross section of the connecting part (122); or alternatively
Along the direction parallel to connection piece body (11), the cross-section of second spacing portion (123), the cross-section of first spacing portion (121), the cross-section of connecting portion (122) is circular, just the diameter of the cross-section of second spacing portion (123) is greater than the diameter of the cross-section of first spacing portion (121), the diameter of the cross-section of first spacing portion (121) is greater than the diameter of the cross-section of connecting portion (122).
5. The connector assembly of claim 1, wherein,
The connecting piece body (11) is provided with at least two first clamping interfaces (111), and the connecting piece assembly (1) comprises at least two connecting buckles (12).
6. The connector assembly of any one of claims 1-5, wherein,
The first limiting part (121) is in interference fit with the first clamping interface (111), and the first limiting part (121) is configured to be capable of elastically deforming under the action of external force of a preset size so as to pass through the first clamping interface (111).
7. The connector assembly of claim 6, wherein,
The first limiting part (121) is provided with a guide cambered surface, and the guide cambered surface is used for guiding the first limiting part (121) to pass through the second clamping interface (211) and the first clamping interface (111).
8. The connector assembly of claim 6, wherein,
The first limiting part (121) is provided with a first bonding surface (1211), and the first bonding surface (1211) can be bonded and abutted to the connecting sheet body (11); and/or the number of the groups of groups,
The second limiting part (123) is provided with a second bonding surface (1231), and the second bonding surface (1231) can be bonded and abutted to the tab (21).
9. The battery, characterized in that, including electric core (2), apron subassembly (3) and connection piece subassembly (1) of any one of claims 1-8, connection piece body (11) welded connection of connection piece subassembly (1) in utmost point post (31) of apron subassembly (3), connection piece (12) of connection piece subassembly (1) wear to locate first joint mouth (111) of connection piece body (11) and second joint mouth (211) of utmost point ear (21) of electric core (2), in order with connection piece body (11) with utmost point ear (21) fixed connection and electricity connect.
10. The battery of claim 9, wherein the battery is configured to provide the battery with a plurality of cells,
The pole column (31) of the cover plate assembly (3) protrudes out of the lower insulating layer (32) of the cover plate assembly (3), so that the distance between the connecting sheet body (11) and the lower insulating layer (32) is larger than the height of the first limiting part (121) of the connecting buckle (12).
CN202322529425.9U 2023-09-18 2023-09-18 Connection piece assembly and battery Active CN220895783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322529425.9U CN220895783U (en) 2023-09-18 2023-09-18 Connection piece assembly and battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322529425.9U CN220895783U (en) 2023-09-18 2023-09-18 Connection piece assembly and battery

Publications (1)

Publication Number Publication Date
CN220895783U true CN220895783U (en) 2024-05-03

Family

ID=90868894

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322529425.9U Active CN220895783U (en) 2023-09-18 2023-09-18 Connection piece assembly and battery

Country Status (1)

Country Link
CN (1) CN220895783U (en)

Similar Documents

Publication Publication Date Title
EP3770995A1 (en) Single-cell battery, battery module, power battery and electric vehicle
CN111106300B (en) Battery unit and battery module
EP4152492A1 (en) Battery
CN111864172A (en) Battery unit and battery module
CN217035895U (en) Utmost point ear connection structure and battery
CN116190933A (en) Battery cover plate assembly, cylindrical battery and assembly process
CN216288853U (en) Utmost point ear is drawn forth subassembly, utmost point core subassembly and battery
CN115377620A (en) Electrode switching piece and battery tab switching structure
CN213782207U (en) Bus bar, battery module and power battery
CN220895783U (en) Connection piece assembly and battery
CN219476829U (en) Cover plate assembly, battery and battery module
CN220021526U (en) Current collecting tray for battery and battery
CN210349955U (en) Battery connection row, battery and consumer
CN219246805U (en) Connection piece with anti-reflection structure, top cover matched with connection piece and battery
CN111384352B (en) Secondary battery and battery module
CN216015521U (en) Battery with a battery cell
CN217387271U (en) Voltage acquisition structure and battery module with same
CN113422171A (en) Connecting piece, battery monomer and battery package
CN220291023U (en) Battery and current collecting structure thereof
CN220984801U (en) Battery cell assembly
CN220510219U (en) Battery cell assembly and battery
CN219393638U (en) High-capacity square battery
CN219067160U (en) Battery cell
CN217691558U (en) Connecting piece, battery monomer and battery package
CN219801217U (en) Battery cell

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant