Battery and button battery
By designing flexible circuit boards and insulating components in the button cell battery, the problem of positive and negative electrodes being on the same side was solved, enabling the battery to be used normally in electronic products with limited installation environments, thus expanding its application range.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-03-10
AI Technical Summary
Because the positive and negative terminals of existing button batteries are located on the same side, they cannot be used in electronic products with limited installation environments, thus restricting their application scope.
Design a battery structure in which one end of a flexible circuit board is electrically connected to the bottom end of the cell body, and the other end extends to the top end, with an insulating element forming a notch at the top end so that the positive and negative electrodes of the cell body are located at the same end. Through the design of the flexible circuit board and the insulating element, the electrodes are exposed for connection to the positive and negative electrodes of electronic products.
This enables button batteries to be used normally in electronic products with limited installation environments, thus expanding their application scope.
Smart Images

Figure CN223986620U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery technical field, especially a battery and button cell. BACKGROUND
[0002] Button cell is a kind of small circular battery, its volume is small, weight is light, is widely used in small electronic product, such as: watch, weight scale, calculator etc.
[0003] The positive and negative pole of button cell is respectively located at the both ends of battery along the height direction of battery, when using button cell, part electronic product is located at the same side due to installation environment limitation, the positive and negative pole of electronic product, leading to that button cell on market cannot be applied to the electronic product, it is not conducive to the application and promotion of button cell. SUMMARY
[0004] The technical problem to be solved by the embodiment of the utility model lies in providing a battery and button cell to solve the problem that the positive and negative pole of electronic product is located at the same side in prior art, leading to that button cell on market cannot be applied to the electronic product, it is not conducive to the application and promotion of button cell.
[0005] The utility model discloses a kind of batteries, comprising: battery core body, flexible circuit board and insulating piece;One end of the flexible circuit board is located at the bottom end of the battery core body, and is electrically connected with the bottom end of the battery core body;The other end of the flexible circuit board extends to the top end of the battery core body along the height direction of the battery core body;First gap is formed on the insulating piece, the insulating piece is located at the top end of the battery core body, so that the top end of the battery core body is exposed from first gap, the other end of the flexible circuit board is provided with conductive piece away from the side of the battery core body, and the conductive piece is electrically connected with the flexible circuit board.
[0006] Optionally, the flexible circuit board includes sequentially connected first connecting portion, second connecting portion and third connecting portion, the first connecting portion is electrically connected with the bottom end of the battery core body, the second connecting portion is located at one side of the battery core body, and the third connecting portion is located at the top of the battery core body, and the conductive piece is arranged on the third connecting portion.
[0007] Optionally, the conductive piece is made of metal material.
[0008] Optionally, second gap is further formed on the insulating piece, and the third connecting portion is located at the second gap.
[0009] Optionally, the third connecting portion is provided with a reinforcing sheet towards one side of the battery core body, and the reinforcing sheet is located in the second gap and abuts against the battery core body.
[0010] Optionally, the second connection portion maintains a gap with the side wall of the battery cell body.
[0011] Optionally, the first connection portion is welded to the battery cell body via a nickel sheet on the side facing the battery cell body.
[0012] Optionally, the insulating element extends radially along the cell body to the edge of the cell body, and the insulating element is made of insulating adhesive paper.
[0013] Optionally, the first notch and the second notch are radially distributed on both sides of the cell body.
[0014] This utility model also discloses a button battery, including the battery described above.
[0015] Compared with the prior art, the beneficial effects of the battery and button battery provided by this utility model embodiment are as follows: the two ends of the cell body in the height direction are the positive and negative electrodes of the cell body, respectively. By setting a flexible circuit board, one end of the flexible circuit board is located at the bottom of the cell body and electrically connected to the cell body. Along the height direction of the cell body, the other end of the flexible circuit board extends to the top of the cell body. The electrode located at the bottom of the cell body is introduced to the other end through the flexible circuit board, so that the positive and negative electrodes of the cell body are located at the same end of the cell body. A conductive element is provided on the other end of the flexible circuit board away from the cell body, and the conductive element is electrically connected to the flexible circuit board. At the same time, an insulating element is provided at the top of the cell body, and a first notch is formed on the insulating element, so that after the insulating element is set on the cell body, the electrode at the top of the cell body is exposed from the first notch. When the battery of this embodiment is applied to electronic products, the electrode at the first notch at the top of the cell body and the conductive element can be used as the positive and negative electrodes to be connected to the positive and negative electrodes of electronic products with limited installation environment, so that the battery and button battery can be more widely used and promoted. Attached Figure Description
[0016] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. In the accompanying drawings:
[0017] Figure 1 This is an exploded view of the battery provided in an embodiment of this utility model;
[0018] Figure 2 This is a schematic diagram of the overall structure of the battery provided in this embodiment of the utility model;
[0019] Figure 3 This is a side view of the battery provided in an embodiment of the present utility model;
[0020] Figure 4 This is a top view of the battery provided in an embodiment of the present utility model;
[0021] Figure 5 This is a top view of the battery provided in an embodiment of this utility model.
[0022] The labels for the attached figures are as follows:
[0023] 10. Battery cell body; 101. Gap; 20. Flexible circuit board; 210. First connecting part; 220. Second connecting part; 230. Third connecting part; 231. Conductive component; 30. Insulating component; 301. First notch; 302. Second notch; 40. Reinforcing sheet; 50. Nickel sheet. Detailed Implementation
[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.
[0025] This utility model embodiment provides a battery, such as Figures 1 to 5 As shown, the device includes a battery cell body 10, a flexible circuit board 20, and an insulating member 30. One end of the flexible circuit board 20 is located at the bottom end of the battery cell body 10 and is electrically connected to the bottom end of the battery cell body 10. The other end of the flexible circuit board 20 extends to the top end of the battery cell body 10 along the height direction. A first notch 301 is formed on the insulating member 30, and the insulating member 30 is located at the top end of the battery cell body 10 so that the top end of the battery cell body 10 is exposed through the first notch 301. A conductive member 231 is provided on the other end of the flexible circuit board 20 away from the side of the battery cell body 10, and the conductive member 231 is electrically connected to the flexible circuit board 20.
[0026] In this embodiment, the battery cell body 10 has its positive and negative electrodes at its two ends along the height direction. A flexible circuit board 20 is provided, with one end of the flexible circuit board 20 located at the bottom of the battery cell body 10 and electrically connected to it. The other end of the flexible circuit board 20 extends to the top of the battery cell body 10 along its height direction. The electrode located at the bottom of the battery cell body 10 is introduced to the other end through the flexible circuit board 20, so that the positive and negative electrodes of the battery cell body 10 are located at the same end of the battery cell body 10, and the other end of the flexible circuit board 20 is located away from the battery cell body 10. A conductive element 231 is provided on the side, and the conductive element 231 is electrically connected to the flexible circuit board 20. At the same time, an insulating element 30 is provided at the top of the cell body 10, and a first notch 301 is formed on the insulating element 30, so that after the insulating element 30 is provided on the cell body 10, the electrode at one end of the cell body 10 is exposed from the first notch 301. When the battery of this embodiment is applied to electronic products, the electrode at the first notch 301 at the top of the cell body 10 and the conductive element 231 can be used as positive and negative terminals, respectively connected to the positive and negative terminals of electronic products with limited installation environment, so that the battery can be more widely used and promoted.
[0027] As a preferred embodiment, refer to Figure 1 and Figure 3 The flexible circuit board 20 includes a first connecting part 210, a second connecting part 220 and a third connecting part 230 connected in sequence. The first connecting part 210 is electrically connected to the bottom end of the battery cell body 10, the second connecting part 220 is located on one side of the battery cell body 10, and the third connecting part 230 is located on the top of the battery cell body 10. A conductive element 231 is disposed on the third connecting part 230.
[0028] In this embodiment, the flexible circuit board 20 is composed of a first connecting part 210, a second connecting part 220 and a third connecting part 230 connected in sequence. Specifically, the first connecting part 210 of the flexible circuit board 20 is electrically connected to the bottom end of the battery cell body 10, so that one end of the flexible circuit board 20 is electrically connected to the bottom end of the battery cell body 10. The second connecting part 220 serves as an extension so that the third connecting part 230 is located at the top of the battery cell body 10, and the conductive element 231 is disposed on the third connecting part 230.
[0029] As a preferred embodiment, the conductive element 231 is made of a metallic material.
[0030] Metallic materials possess excellent electrical conductivity, ensuring a good electrical connection between the battery and electronic products, thereby improving battery application. In this embodiment, gold can be used as the metallic material.
[0031] As a preferred embodiment, refer to Figure 1A second notch 302 is also formed on the insulating component 30, and the third connecting part 230 is located at the second notch 302.
[0032] The second notch 302 provided on the insulating member 30 provides clearance space for the third connecting part 230 to be installed on the cell body 10, so that the third connecting part 230 and the insulating member 30 are compactly distributed at the top of the cell body 10. The insulating member 30 insulates the positive and negative poles of the cell body 10, preventing short circuit caused by the positive and negative poles being connected.
[0033] As a preferred embodiment, refer to Figure 1 A reinforcing piece 40 is provided on the side of the third connecting part 230 facing the cell body 10. The reinforcing piece 40 is located in the second notch 302 and abuts against the cell body 10.
[0034] The reinforcing sheet 40 is used to enhance the structural strength and stability of the flexible circuit board 20. It is set on the third connection part 230 to prevent the conductive part 231 from bending or folding under force during the connection with electronic products, thereby causing damage or breakage to the flexible circuit board 20 and improving the service life of the flexible circuit board 20.
[0035] As a preferred embodiment, refer to Figure 3 The second connecting part 220 maintains a gap 101 with the side wall of the battery cell body 10.
[0036] The gap 101 provided between the second connecting part 220 and the battery cell body 10 can prevent the second connecting part 220 from being subjected to compressive force, and further prevent the second connecting part 220 from bending or folding under force, which would cause damage or breakage to the flexible circuit board 20, thereby improving the service life of the flexible circuit board 20.
[0037] As a preferred embodiment, refer to Figure 3 and Figure 5 The first connecting part 210 is welded to the battery cell body 10 on the side facing the battery cell body 10 by a nickel sheet 50.
[0038] In this embodiment, the nickel sheet 50 is welded to both the first connecting part 210 and the battery cell body 10 to achieve a stable electrical connection between the first connecting part 210 and the battery cell body 10.
[0039] As a preferred embodiment, refer to Figure 4 The insulating element 30 extends radially along the cell body 10 to the edge of the cell body 10, and the insulating element 30 is made of insulating adhesive paper.
[0040] The insulating component 30 extends radially along the cell body 10 to the edge of the cell body 10, which can prevent short circuits when using the battery of this embodiment. The insulating component 30 can be quickly attached to the top surface of the cell body 10 by means of insulating tape, which is convenient to operate and can also ensure the firmness and reliability of the connection between the insulating component 30 and the cell body 10.
[0041] As a preferred embodiment, refer to Figure 4 The first notch 301 and the second notch 302 are distributed radially on both sides of the cell body 10.
[0042] The placement of the first notch 301 and the second notch 302 is reasonable, facilitating connection with electronic products and easy installation, thus promoting the application and adoption of batteries.
[0043] This application also discloses a button battery, including the battery described in the foregoing embodiments. This button battery has the same structure and beneficial effects as the battery described in the foregoing embodiments. The structure and beneficial effects of the battery have been described in detail in the foregoing embodiments and will not be repeated here.
[0044] It should be understood that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some of the technical features; and all such modifications and substitutions should fall within the protection scope of the appended claims of this utility model.
Claims
1. A battery, characterized by, The application relates to a battery, which comprises the following parts: a battery core body; a flexible circuit board, one end of the flexible circuit board is arranged at the bottom end of the battery core body and is electrically connected with the bottom end of the battery core body; the other end of the flexible circuit board extends to the top end of the battery core body along the height direction of the battery core body; an insulating piece, the insulating piece is arranged at the top end of the battery core body, a first gap is formed in the insulating piece, the top end of the battery core body is exposed from the first gap, and a conductive piece is arranged on the side, away from the battery core body, of the other end of the flexible circuit board, the conductive piece is electrically connected with the flexible circuit board.
2. The battery of claim 1, wherein, The flexible circuit board comprises a first connecting part, a second connecting part and a third connecting part which are sequentially connected, the first connecting part is electrically connected with the bottom end of the battery core body, the second connecting part is arranged on one side of the battery core body, and the third connecting part is arranged on the top of the battery core body, the conductive piece is arranged on the third connecting part.
3. The battery of claim 1, wherein, The conductive piece is made of metal material.
4. The battery of claim 2, wherein, A second gap is also formed in the insulating piece, and the third connecting part is arranged at the second gap.
5. The battery of claim 4, wherein, A reinforcing sheet is arranged on the side of the third connecting part, the reinforcing sheet is arranged in the second gap and abuts against the battery core body.
6. The battery of claim 2, wherein, The second connecting part is kept apart from the side wall of the battery core body.
7. The battery of claim 2, wherein, The first connecting part is welded on the battery core body through a nickel sheet from the side of the battery core body.
8. The battery according to any one of claims 1 to 7, characterized in that, The insulating piece extends to the edge of the battery core body along the radial direction of the battery core body, and the insulating piece is made of insulating adhesive paper.
9. The battery of claim 4, wherein, The first gap and the second gap are distributed on the two sides of the battery core body along the radial direction of the battery core body.
10. A coin cell battery characterized by, The application further relates to a battery comprising any one of the battery as claimed in claims 1 to 9.