High-stability battery cell structure

By introducing a reinforcing frame, surface reinforcing strips, and a snap-fit ​​connection in the battery cell structure, the problem of easy deformation of the electrode tabs is solved, and the structural stability of the battery cell and the continuity of power transmission are improved.

CN224067803UActive Publication Date: 2026-03-31DONGGUAN HANGNENG TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-14
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

In existing battery cell structures, the tabs are easily damaged by impacts, causing them to deform and affecting the stability of power transmission, which in turn affects the normal use of the battery cell.

Method used

A structure including a battery cell body, tabs, and protective components is designed. A reinforcing frame is set on the outside of the tabs, and surface reinforcing strips and edge sealing strips are provided on the outside of the battery cell body. Combined with the snap-fit ​​connection of the protective frame and the encapsulation shell, a stable rectangular frame structure is formed to provide additional protection.

Benefits of technology

This improves the structural stability of the battery cell, prevents electrode deformation, enhances the stability of the battery cell in use, and facilitates the disassembly and replacement of damaged parts, ensuring the continuity of power transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high stability electrical core structure, relates to electrical core structure technical field, including electrical core main part, tabs and protection subassembly, the both sides of electrical core main part front end are fixed with the tabs, and the outside of the tabs is provided with reinforcing frame, and the reinforcing frame with electrical core main part is fixed connection, and the protective subassembly is fixed with the electrical core main part. A protection assembly is mounted on the outer side of the front end of the battery cell main body and comprises a protection frame, clamping blocks, a mounting frame and clamping grooves, the protection frame is fixedly connected with the battery cell main body, the clamping blocks are integrally fixed to the inner walls of the two sides of the protection frame, the mounting frame is mounted on the lower side of the protection frame, and the clamping grooves are formed in the mounting frame. And clamping grooves are formed in the two sides of the mounting frame. According to the high-stability battery cell structure, the reinforcing frames on the outer sides of the tabs can reinforce and protect the battery cell main body, and the surface reinforcing strips and the edge sealing strips on the outer side of the battery cell main body are convenient to reinforce the structural strength, so that the structural stability of the battery cell main body is improved, and the deformation condition of the battery cell main body is relieved.
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Description

Technical Field

[0001] This utility model relates to the field of battery cell structure technology, specifically a highly stable battery cell structure. Background Technology

[0002] A battery cell refers to a single electrochemical cell containing positive and negative electrodes. It is generally not used directly, unlike a battery which contains a protection circuit and a casing and can be used directly. A rechargeable battery without the protection circuit board is a battery cell. It is the energy storage part of a rechargeable battery, and the quality of the battery cell directly determines the quality of the rechargeable battery.

[0003] In the existing battery cell structure, the connection pins of the tabs are connected to the electrolyte inside the battery cell body. However, the tabs are easily bumped or knocked during use, and collisions and squeezing can cause deformation, resulting in insufficient stability and affecting the power transmission function, which in turn affects the normal use of the battery cell. Utility Model Content

[0004] The purpose of this invention is to provide a highly stable battery cell structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a highly stable battery cell structure, comprising a battery cell body, tabs, and a protective assembly. Tabs are fixed to both sides of the front end of the battery cell body, and a reinforcing frame is provided on the outer side of the tabs, with the reinforcing frame fixedly connected to the battery cell body. A protective assembly is installed on the outer side of the front end of the battery cell body, and the protective assembly includes a protective frame, a locking block, a mounting frame, and a locking slot. The protective frame is fixedly connected to the battery cell body, and locking blocks are integrally fixed to the inner walls of both sides of the protective frame. A mounting frame is installed on the lower side of the protective frame, and locking slots are provided on both sides of the mounting frame. Surface reinforcing strips are fixed at equal intervals on the outer surface of the battery cell body, and edge sealing strips are fixed to both the left and right sides of the battery cell body.

[0006] Furthermore, the two tabs are respectively a positive tab and a negative tab, and a connection pin is fixed to one side of the tabs that extends into the main body of the battery cell.

[0007] Furthermore, the protective frame has a "U" shaped structure, and the protective frame mounting frame forms a rectangular frame structure.

[0008] Furthermore, the card block and the card slot are connected by a snap-fit ​​mechanism, and both the card block and the card slot have a "T" shaped structure.

[0009] Furthermore, protrusions are fixed on both the left and right rear sides of the battery cell body, and a docking groove is provided in the middle of the protrusions.

[0010] Furthermore, an encapsulation assembly is installed on the outside of the battery cell body, and the encapsulation assembly includes an encapsulation shell, which is composed of two interlocking half-shells.

[0011] Furthermore, the encapsulation component also includes a groove, and the inner wall of the encapsulation shell has a groove corresponding to the surface reinforcing strip, and the size of the surface reinforcing strip matches the size of the groove.

[0012] Furthermore, the packaging assembly also includes docking blocks, with docking blocks fixed to the inner sides of both sides of the packaging shell, and the docking blocks and docking grooves are connected by a snap-fit ​​connection.

[0013] This invention provides a highly stable battery cell structure, which has the following advantages:

[0014] This utility model is equipped with protective components. The reinforcing frame on the outside of the electrode tab can reinforce and protect the battery cell body. The surface reinforcing strip and edge sealing strip on the outside of the battery cell body can enhance its structural strength, improve the structural stability of the battery cell body, and reduce the deformation of the battery cell body. The mounting frame can be easily disassembled and assembled, so as to facilitate timely replacement of damaged mounting frames. During installation, the slots on both sides can be installed into the slots on both sides of the protective frame, so that the "T"-shaped slots and the "T"-shaped slots can be engaged with each other. The protective frame and mounting frame form a rectangular frame structure, which can further protect the outside of the electrode tab, and prevent the outside of the electrode tab from being deformed by collision and squeezing without affecting its conductivity.

[0015] This utility model is equipped with an encapsulation component. The encapsulation shell is used to encapsulate and protect the main body of the battery cell. The mating grooves on both sides of the main body of the battery cell can be correspondingly set to the mating blocks of the encapsulation shell, so that the mating blocks and the mating grooves can be locked together, thereby making the main body of the battery cell stable. At the same time, the grooves on the inner wall of the encapsulation shell can correspond one by one with the surface reinforcement strips, which facilitates the use of the encapsulation shell. The two tabs at the front end of the main body of the battery cell are used for conducting electricity. Attached Figure Description

[0016] Figure 1 This is an exploded structural diagram of a high-stability battery cell structure according to the present invention.

[0017] Figure 2 This is a top view schematic diagram of the main body of a battery cell with a high stability battery cell structure according to the present invention.

[0018] Figure 3 This invention relates to a highly stable battery cell structure. Figure 2 Enlarged structural diagram at point A in the middle;

[0019] Figure 4 This is a front view schematic diagram of the main body of a high-stability battery cell structure according to this utility model.

[0020] In the diagram: 1. Battery cell body; 2. Electrode tab; 3. Reinforcing frame; 4. Protective components; 401. Protective frame; 402. Locking block; 403. Mounting frame; 404. Locking slot; 5. Surface reinforcing strip; 6. Edge seal; 7. Protrusion; 8. Connecting groove; 9. Encapsulation components; 901. Encapsulation shell; 902. Groove; 903. Connecting block. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0022] like Figures 1-2 As shown, a highly stable battery cell structure includes a battery cell body 1, tabs 2, and a protective assembly 4. Tabs 2 are fixed on both sides of the front end of the battery cell body 1, and a reinforcing frame 3 is provided on the outer side of the tabs 2. The reinforcing frame 3 is fixedly connected to the battery cell body 1. The two tabs 2 are a positive tab 2 and a negative tab 2, and a connection pin is fixed on one side of the tabs 2 that penetrates into the battery cell body 1. Surface reinforcing strips 5 are fixed at equal intervals on the outer surface of the battery cell body 1, and edge sealing strips 6 are fixed on both the left and right sides of the battery cell body 1. The two tabs 2 at the front end of the battery cell body 1 are used for conducting electricity. The reinforcing frame 3 on the outer side of the tabs 2 can reinforce and protect the battery cell body 1. The surface reinforcing strips 5 and edge sealing strips 6 on the outer side of the battery cell body 1 can strengthen its structural strength, improve the structural stability of the battery cell body 1, and reduce the deformation of the battery cell body 1.

[0023] like Figures 1-3 As shown, a protective component 4 is installed on the outer front end of the battery cell body 1. The protective component 4 includes a protective frame 401, a locking block 402, a mounting frame 403, and a slot 404. The protective frame 401 is fixedly connected to the battery cell body 1, and the locking block 402 is integrally fixed to the inner walls of both sides of the protective frame 401. The mounting frame 403 is installed on the lower side of the protective frame 401, and slots 404 are provided on both sides of the mounting frame 403. The protective frame 401 has a "U" shaped structure, and the protective frame 401 and the mounting frame 403 form a rectangular frame structure. The locking block 402 and the slot 404 is a snap-fit ​​connection, and both the snap-fit ​​block 402 and the snap-fit ​​slot 404 are in the form of a "T" shape. The mounting frame 403 can be easily disassembled and installed, so as to facilitate timely replacement of damaged mounting frame 403. During installation, the snap-fit ​​slots 404 on both sides can be installed to the snap-fit ​​blocks 402 on both sides of the protective frame 401, so that the "T" shaped snap-fit ​​blocks 402 and the "T" shaped snap-fit ​​slots 404 engage with each other. The protective frame 401 and the mounting frame 403 form a rectangular frame structure, which can further protect the outside of the tab 2. Without affecting its conductivity, it can prevent the outside of the tab 2 from being deformed by collision and squeezing.

[0024] like Figure 1 and Figure 4 As shown, protrusions 7 are fixed on both the left and right rear sides of the battery cell body 1, and a mating groove 8 is formed in the middle of the protrusions 7. An encapsulation assembly 9 is installed on the outer side of the battery cell body 1. The encapsulation assembly 9 includes an encapsulation shell 901, which is composed of two interlocking half-shells. The encapsulation assembly 9 also includes a groove 902. The inner wall of the encapsulation shell 901 has a groove 902 corresponding to the surface reinforcing strip 5, and the dimensions of the surface reinforcing strip 5 and the groove 902 match. The encapsulation assembly 9 also includes a mating block 903. The inner sides of the shell 901 are fixed with mating blocks 903, and the mating blocks 903 and the mating grooves 8 are engaged. The encapsulation shell 901 is used to encapsulate and protect the battery cell body 1. The mating grooves 8 of the protrusions 7 on both sides of the battery cell body 1 can be correspondingly set to the mating blocks 903 of the encapsulation shell 901, so that the mating blocks 903 and the mating grooves 8 are engaged with each other, thereby making the battery cell body 1 stable. At the same time, the grooves 902 on the inner wall of the encapsulation shell 901 can correspond one-to-one with the surface reinforcing strips 5, which facilitates the use of the encapsulation shell 901.

[0025] In summary, as Figures 1-3 As shown, this highly stable battery cell structure firstly uses a casing 901 to encapsulate and protect the battery cell body 1. The mating grooves 8 of the protrusions 7 on both sides of the battery cell body 1 can be correspondingly set to the mating blocks 903 of the casing 901, so that the mating blocks 903 and the mating grooves 8 can be locked together, thereby stabilizing the battery cell body 1. In use, the reinforcing frame 3 on the outside of the tab 2 can reinforce and protect the battery cell body 1. Then, the mounting frame 403 can be installed. The slots 404 on both sides of the mounting frame 403 can be correspondingly installed to the slots on both sides of the protective frame 401. At block 402, the "T"-shaped locking block 402 and the "T"-shaped locking slot 404 engage with each other. The protective frame 401 and the mounting frame 403 form a rectangular frame structure to further protect the outside of the tab 2. Without affecting its conductivity, it can prevent the outside of the tab 2 from being deformed by collision and squeezing. During use, the surface reinforcement strip 5 and the edge sealing strip 6 on the outside of the battery cell body 1 can help strengthen its structural strength, improve the structural stability of the battery cell body 1, and reduce the deformation of the battery cell body 1. In this way, the use process of this highly stable battery cell structure is completed.

[0026] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A high-stability battery cell structure comprising a battery cell body (1), a tab (2) and a protection assembly (4), characterized in that, The both sides of the front end of the battery core body (1) are fixed with the tabs (2), and the outside of the tabs (2) is provided with the reinforcing frame (3), and the reinforcing frame (3) is fixedly connected with the battery core body (1), the outside of the front end of the battery core body (1) is provided with the protection assembly (4), and the protection assembly (4) comprises a protection frame (401), a clamping block (402), a mounting frame (403) and a clamping groove (404), the protection frame (401) is fixedly connected with the battery core body (1), and the both side inner walls of the protection frame (401) are integrally fixed with the clamping block (402), the lower side of the protection frame (401) is provided with the mounting frame (403), and the both sides of the mounting frame (403) are provided with the clamping groove (404), the outer surface of the battery core body (1) is fixed with the surface reinforcing strip (5) at equal intervals, and the left and right sides of the battery core body (1) are fixed with the edge sealing strip (6).

2. The high-stability cell structure of claim 1, wherein, The two tabs (2) are respectively positive tabs (2) and negative tabs (2), and the side of the tab (2) deep into the battery core body (1) is fixed with a connecting pin.

3. The high-stability cell structure of claim 1, wherein The protection frame (401) is in a "U" type structure, and the protection frame (401) and the mounting frame (403) form a rectangular frame structure.

4. The high-stability cell structure of claim 1, wherein, The clamping block (402) and the clamping groove (404) are clampedly connected, and the clamping block (402) and the clamping groove (404) are both in a "T" type structure.

5. The high-stability cell structure of claim 1, wherein The left and right sides of the rear side of the battery core body (1) are fixed with the protruding part (7), and the middle part of the protruding part (7) is provided with the butt joint groove (8).

6. The high-stability cell structure of claim 5, wherein, The outside of the battery core body (1) is provided with the packaging assembly (9), and the packaging assembly (9) comprises a packaging shell (901), and the packaging shell (901) is composed of two upper and lower clamping half shells.

7. The high-stability cell structure of claim 6, wherein The packaging assembly (9) further comprises a recess (902), the inner wall of the packaging shell (901) is provided with the recess (902) corresponding to the surface reinforcing strip (5), and the size of the surface reinforcing strip (5) and the recess (902) is matched.

8. The high-stability cell structure of claim 6, wherein, The packaging assembly (9) further comprises a butt joint block (903), the both sides of the inner side of the packaging shell (901) are fixed with the butt joint block (903), and the butt joint block (903) and the butt joint groove (8) are clampedly connected.