CN218448346U - Soft-package button type lithium ion battery with nickel sheet added at top - Google Patents
Soft-package button type lithium ion battery with nickel sheet added at top Download PDFInfo
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- CN218448346U CN218448346U CN202221797959.9U CN202221797959U CN218448346U CN 218448346 U CN218448346 U CN 218448346U CN 202221797959 U CN202221797959 U CN 202221797959U CN 218448346 U CN218448346 U CN 218448346U
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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 discloses a soft-packaged button type lithium ion battery with nickel sheets added at the top, which comprises a battery cell main body, wherein the top end surface of the battery cell main body is provided with the nickel sheets, and an insulating high-temperature adhesive is arranged between the top end surface of the battery cell main body and the nickel sheets; a positive electrode lug and a negative electrode lug are respectively arranged on the side surface above the cell main body, and one end of the positive electrode lug and one end of the negative electrode lug are both connected with the cell main body; the other end of the anode tab is connected with the anode electron line, the other end of the cathode tab is connected with one end of the nickel sheet, and the other end of the nickel sheet is connected with the cathode electron line. The utility model provides a top adds soft packet of knot formula lithium ion battery of nickel piece through electric core main part top nickel piece, offsets the magnetic field that produces after the inside pole piece of electric core convolutes to improve earphone bottom noise effect, solved the problem that artifical intensity of labour is high, product quality is low, manufacturing cost is high, production efficiency reduces in the present lithium cell production process simultaneously.
Description
Technical Field
The utility model relates to a lithium ion battery technical field, concretely relates to soft packet of top plus nickel piece knot formula lithium ion battery.
Background
In recent years, the application of soft-package button lithium ion batteries is more and more widespread, and the requirement of the TWS earphone on improvement of the bottom noise is higher and higher. The existing scheme mostly adopts a method of improving bottom noise by winding a red wiring or an electronic wire inside the FPC, so that the bottom noise effect of the earphone is improved. But the FPC has low plasticity, easy deformation, high cost, large operation difficulty, high labor intensity, low product quality, high production cost and low production efficiency in the production process.
In chinese patent CN215418273U, a soft package battery that makes an uproar falls that can assemble fast is disclosed to specifically disclose "include soft-package battery core, locate last nickel plate subassembly and the labeling of soft-package battery core, soft-package battery core includes electric core body, anodal utmost point ear and negative pole utmost point ear, anodal utmost point ear with negative pole utmost point ear set up relatively in the lateral part top of electric core body, anodal utmost point ear with the one end of negative pole utmost point ear with this body coupling of electric core, anodal utmost point ear with the other end of negative pole utmost point ear is followed the axial of electric core body upwards extends and towards the center of electric core body is bent, at least part anodal utmost point ear with the lower terminal surface of negative pole utmost point ear with the up end laminating of electric core body, the nickel plate subassembly includes nickel plate structure and wire, the nickel plate structure includes connecting portion, locates the first nickel plate body, the second nickel plate body of connecting portion up end, and locate the bonding portion of terminal surface under the connecting portion, the quantity that sets up of wire is two, the one end of wire respectively with first nickel plate body the second nickel plate body can dismantle two external extension wires the other ends of radially not outwards the connecting portion.
In the above patent, the nickel sheet body is divided into two parts, which increases the difficulty of installation and increases the loss of the nickel sheet. In addition, the connected mode of wire and nickel piece in the above-mentioned patent is undetachable fixed connection (formula as an organic whole promptly), and the nickel piece occupies electric core area too big, makes wire connection pattern receive the restriction, can't make corresponding adjustment according to the use scene, has reduced the convenient degree of use.
Disclosure of Invention
An object of the utility model is to provide a top adds soft packet of knot formula lithium ion battery of nickel piece improves earphone bottom noise and improves production efficiency.
In order to achieve the above purpose, the utility model provides a following technical scheme: a soft-package button type lithium ion battery with a nickel sheet added at the top comprises a battery cell main body, wherein the top end surface of the battery cell main body is provided with the nickel sheet, and an insulating high-temperature adhesive is arranged between the top end surface of the battery cell main body and the nickel sheet; the side surface of the upper part of the battery cell main body is respectively provided with a positive electrode lug and a negative electrode lug, and one end of the positive electrode lug and one end of the negative electrode lug are both connected with the battery cell main body; the other end of the positive electrode tab is connected with a positive electrode electron line, the other end of the negative electrode tab is connected with one end of the nickel sheet, and the other end of the nickel sheet is connected with a negative electrode electron line.
To further facilitate installation, the nickel plate comprises a semi-annular shape, a strip shape or an S shape.
For further convenience in use, the positive electrode tab is connected with the positive electrode wire in a welding mode.
For further convenient use, the negative pole tab is connected with the nickel sheet in a welding mode.
For further convenience in use, one end of the positive electrode tab and one end of the negative electrode tab both extend upwards along the axial direction of the cell main body and bend towards the center of the top end face of the cell main body.
For further convenient use, the two ends of the nickel sheet extend outwards along the radial direction of the battery cell main body and bend downwards towards the axial direction of the outer wall of the battery cell main body.
For further convenience in installation, the positive electrode electron wire and the negative electrode electron wire can be horizontally extended out along the radial direction of the electric core main body.
In order to further facilitate installation, the positive electrode electron wire and the negative electrode electron wire can be horizontally extended out along the axial direction of the battery cell main body.
Has the advantages that:
the utility model provides a top adds soft knot formula lithium ion battery of nickel piece, through electric core main part top nickel piece, offset the magnetic field that produces after the inside pole piece of electric core convolutes, it is high to utilize nickel piece plasticity, non-deformable, the cost is lower than FPC, the moderate characteristics of the operation degree of difficulty, the method of making an uproar at the bottom of having replaced current scheme to use FPC inside to walk the winding mode of line red or electronic wire of line more, and then improve earphone end noise effect, it is high to have solved artifical intensity of labour in the present lithium cell production process simultaneously, product quality is low, high production cost, the problem that production efficiency reduces.
Drawings
FIG. 1 is a schematic view of a battery according to example 1;
FIG. 2 is a schematic view showing the welding of the nickel plate on the top of the battery main body in example 1;
FIG. 3 is a schematic diagram of the high temperature adhesive for battery of example 1;
FIG. 4 is a schematic view of the battery of example 2;
FIG. 5 is a schematic view of the welding of the nickel plates on the top of the battery body in example 2;
fig. 6 is a schematic view of disassembling the battery structure in embodiment 2.
The battery comprises a battery core main body 1, a negative electrode electron line 2, a positive electrode electron line 3, a nickel sheet 4, a positive electrode tab 5, a negative electrode tab 6, an insulating high-temperature adhesive A7, an insulating high-temperature adhesive B8, an insulating high-temperature adhesive C9, an insulating high-temperature adhesive D10, an insulating high-temperature adhesive E11, an insulating high-temperature adhesive F12, an insulating high-temperature adhesive G13 and an insulating high-temperature adhesive H14.
Detailed Description
The invention is further described in the following with reference to specific embodiments, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout.
Example 1
As shown in fig. 1 to fig. 3, the present embodiment provides a soft-package button lithium ion battery with a nickel sheet added at the top, including a battery cell main body 1, where a nickel sheet 4 is disposed on an end surface of the top of the battery cell main body, and an insulating high-temperature adhesive is disposed between the end surface of the top of the battery cell main body and the nickel sheet; the side surface of the upper part of the electric core main body is respectively provided with a positive electrode lug 5 and a negative electrode lug 6, and one end of the positive electrode lug and one end of the negative electrode lug are both connected with the electric core main body; the other end of the positive electrode tab is connected with a positive electrode electronic wire 3, the other end of the negative electrode tab is connected with one end of the nickel sheet, and the other end of the nickel sheet is connected with a negative electrode electronic wire 2.
In the embodiment, the nickel sheet is a semi-annular nickel sheet. One end of the positive electrode lug and one end of the negative electrode lug are welded above two sides of the battery cell main body, and the insulating high-temperature adhesive C9 is attached to the top end face of the battery cell main body. And the other end of the negative electrode lug is welded with one end of the semi-annular nickel sheet and is folded to be attached to the top end face of the battery cell main body. And the side edge of the main body of the battery cell is wrapped by insulating high-temperature glue B8, and the other end of the semi-annular nickel sheet is welded with the negative electrode wire and then is flattened. And after the positive electrode electronic wire and the positive electrode lug are welded, the positive electrode electronic wire is directly flattened out from the side edge of the battery cell main body, and finally high-temperature glue A7 is wound for insulation.
In addition, as another embodiment of this embodiment, the nickel sheet is in a strip shape or an S shape.
In the embodiment, the semi-annular nickel sheet welded at the outer top of the battery can solve the magnetic field interference caused by the asymmetry of the winding of the pole piece in the battery cell main body, and the structure has moderate operation difficulty, less cost than FPC and difficult deformation.
Example 2
As shown in fig. 4 to fig. 6, the present embodiment provides a soft-package button lithium ion battery with a nickel sheet added on the top, including a battery cell main body 1, where a nickel sheet 4 is disposed on the top end surface of the battery cell main body, and an insulating high-temperature adhesive is disposed between the top end surface of the battery cell main body and the nickel sheet; an anode tab 5 and a cathode tab 6 are respectively arranged on the side surface above the cell main body, and one end of the anode tab and one end of the cathode tab are both connected with the cell main body; the other end of the positive electrode tab is connected with a positive electrode electronic wire 3, the other end of the negative electrode tab is connected with one end of the nickel sheet, and the other end of the nickel sheet is connected with a negative electrode electronic wire 2.
In this embodiment, the nickel sheet is a semi-annular nickel sheet. One end of the positive electrode lug and the movement of the negative electrode lug are connected to the upper parts of two sides of the battery cell main body, and then the insulating high-temperature adhesive H14 is wound on the side edge of the battery cell main body. And the positive electrode electron wire is welded with the other end of the positive electrode lug and is folded to the side edge of the cell main body to be horizontally out in the direction vertical to the plane of the cell main body. And adhering an insulating high-temperature adhesive E11 to the welding position of the positive electrode lug and the positive electrode wire, and then adhering an insulating high-temperature adhesive D10 to the end surface of the top of the cell main body. And the other end of the negative electrode lug is welded with one end of the semi-annular nickel sheet and then is folded to the side edge of the main body of the battery cell. And placing the semi-annular nickel sheet on the top end face of the electric core main body, welding the negative electrode electronic wire and the other end of the semi-annular nickel sheet, folding the welded negative electrode electronic wire to the side edge of the electric core main body, and flattening the welded negative electrode electronic wire and the positive electrode electronic wire in the same direction. A part of the insulating high-temperature adhesive F12 is firstly attached to the end face of the top of the battery cell main body to cover the nickel sheet, and then the rest part is attached to the side edge of the battery cell main body to cover the anode electronic wire and the cathode electronic wire. And finally, winding the insulating high-temperature adhesive G13 on the outermost side of the cell main body.
In addition, as another embodiment of this embodiment, the nickel sheet is in a strip shape or an S shape.
In the embodiment, the semi-annular nickel sheet welded at the outer top of the battery can solve the magnetic field interference caused by the asymmetry of the winding of the pole piece in the battery cell main body, and the structure has moderate operation difficulty, less cost than FPC and difficult deformation.
Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the technical solutions of the present invention can be modified or replaced with other equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a soft packet of knot formula lithium ion battery of top nickelized piece which characterized in that: the battery core comprises a battery core main body (1), wherein a nickel sheet (4) is arranged on the top end face of the battery core main body, and insulating high-temperature glue is arranged between the top end face of the battery core main body and the nickel sheet; a positive electrode lug (5) and a negative electrode lug (6) are respectively arranged on the upper side surface of the cell main body, and one end of the positive electrode lug and one end of the negative electrode lug are both connected with the cell main body; the other end of the positive electrode tab is connected with a positive electrode wire (3), the other end of the negative electrode tab is connected with one end of the nickel sheet, and the other end of the nickel sheet is connected with a negative electrode wire (2).
2. The soft-packing button type lithium ion battery with the nickel-plated top sheet according to claim 1, wherein: the nickel sheet comprises a semi-annular shape, a long strip shape or an S shape.
3. The soft-packing button type lithium ion battery with the nickel-plated top sheet according to claim 1, wherein: the positive electrode lug is connected with the positive electrode wire in a welding mode.
4. The soft-packing button type lithium ion battery with the nickel-plated top sheet according to claim 1, wherein: and the negative pole lug is connected with the nickel sheet in a welding mode.
5. The soft-packing button type lithium ion battery with the nickel-plated top sheet according to claim 1, wherein: one end of the positive electrode lug and one end of the negative electrode lug both extend upwards along the axial direction of the battery cell main body and bend towards the center of the top end face of the battery cell main body.
6. The soft-packaged button lithium ion battery with nickel sheets on the top according to claim 1, characterized in that: the two ends of the nickel sheet extend outwards along the radial direction of the electric core main body and bend downwards towards the axial direction of the outer wall of the electric core main body.
7. The soft-packing button type lithium ion battery with the nickel-plated top sheet according to claim 1, wherein: the positive electrode electron wire and the negative electrode electron wire can be horizontally extended out along the radial direction of the electric core main body.
8. The soft-packaged button lithium ion battery with nickel sheets on the top according to claim 1, characterized in that: the positive electrode electron wire and the negative electrode electron wire can be horizontally extended along the axial direction of the electric core main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221797959.9U CN218448346U (en) | 2022-07-13 | 2022-07-13 | Soft-package button type lithium ion battery with nickel sheet added at top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221797959.9U CN218448346U (en) | 2022-07-13 | 2022-07-13 | Soft-package button type lithium ion battery with nickel sheet added at top |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218448346U true CN218448346U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221797959.9U Active CN218448346U (en) | 2022-07-13 | 2022-07-13 | Soft-package button type lithium ion battery with nickel sheet added at top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218448346U (en) |
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2022
- 2022-07-13 CN CN202221797959.9U patent/CN218448346U/en active Active
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