CN215266586U - Novel lithium polymer battery with wrapped battery core top seal structure - Google Patents
Novel lithium polymer battery with wrapped battery core top seal structure Download PDFInfo
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- CN215266586U CN215266586U CN202120662552.4U CN202120662552U CN215266586U CN 215266586 U CN215266586 U CN 215266586U CN 202120662552 U CN202120662552 U CN 202120662552U CN 215266586 U CN215266586 U CN 215266586U
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- sealing structure
- top sealing
- lithium polymer
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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 novel lithium polymer battery with a battery core top sealing structure, which comprises a battery body and an insulating part; the top end of the battery body is provided with a top sealing structure, and the upper end of the top sealing structure extends upwards to form a lug; the outer surface of the top sealing structure is coated by the insulating piece, a through hole is formed in the insulating piece, and the tab penetrates through the through hole to extend upwards. Through living the surface of electric core top seal structure with the insulating part cladding, seted up the through-hole on this insulating part, pass the through-hole with utmost point ear and upwards extend, improved product quality, make the technology operation become simple, improve the parcel electric core top seal efficiency of battery, solved electric core top seal parcel incomplete problem, improve the security performance.
Description
Technical Field
The utility model belongs to the technical field of the lithium polymer battery and specifically relates to indicate a novel lithium polymer battery who wraps up electric core top seal structure.
Background
A lithium polymer battery, also called a lithium polymer battery, is a chemical battery. Compared with the prior battery, the lithium polymer battery has the characteristics of high energy, miniaturization, light weight and high safety, has the ultrathin characteristic, can be made into batteries with different shapes and capacities according to the requirements of certain products, and can reach the theoretical minimum thickness of 0.5 mm.
At present, the process of a structure mode of wrapping the battery core top seal of the lithium polymer battery is complex, the efficiency is low, the battery core top seal is not completely wrapped, and certain potential safety hazards exist. Therefore, there is a need for improvement of the current lithium polymer battery.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a lithium polymer battery with a novel package structure for sealing the top of battery cell, which can effectively solve the problems of complicated process, low efficiency, incomplete package of battery cell top seal and potential safety hazard of the existing lithium polymer battery.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel lithium polymer battery wrapping a battery core top sealing structure comprises a battery body and an insulating part; the top end of the battery body is provided with a top sealing structure, and the upper end of the top sealing structure extends upwards to form a lug; the outer surface of the top sealing structure is coated by the insulating piece, a through hole is formed in the insulating piece, and the tab penetrates through the through hole to extend upwards.
Preferably, the battery body has a rectangular parallelepiped structure.
Preferably, the cross section of the top sealing structure is square.
As a preferred scheme, the left end and the right end of the top sealing structure respectively extend upwards to form a lug.
As a preferred scheme, the tab comprises a conducting strip and an insulating layer, the lower end of the conducting strip extends into the battery body to be connected in a conduction mode, and the insulating layer is coated on the outer surface of the lower end of the conducting strip.
Preferably, the upper end of the conducting strip and the upper end of the insulating layer both extend upwards through the through hole.
As a preferred scheme, the through holes are arranged on the left side and the right side, and the two pole lugs respectively penetrate through the corresponding through holes and extend upwards.
Preferably, the through hole is square.
Preferably, the insulation member is T-shaped when unfolded.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
through living the surface of electric core top seal structure with the insulating part cladding, seted up the through-hole on this insulating part, pass the through-hole with utmost point ear and upwards extend, improved product quality, make the technology operation become simple, improve the parcel electric core top seal efficiency of battery, solved electric core top seal parcel incomplete problem, improve the security performance.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a front view of a preferred embodiment of the present invention;
FIG. 2 is a left side view of the preferred embodiment of the present invention;
FIG. 3 is a top view of the preferred embodiment of the present invention;
FIG. 4 is a cross-sectional view of a preferred embodiment of the present invention;
fig. 5 is a schematic view showing the expanded state of the insulating member according to the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. battery body 11, top seal structure
12. Tab 121 and conductive sheet
122. Insulating layer 20, insulating member
21. And a through hole.
Detailed Description
Referring to fig. 1 to 5, a specific structure of a preferred embodiment of the present invention is shown, including a battery body 10 and an insulating member 20.
The top end of the battery body 10 is provided with a top seal structure 11, the upper end of the top seal structure 11 extends upwards to form a tab 12, and the tab 12 is used for connecting and conducting with an external circuit; the tab 12 includes a conductive sheet 121 and an insulating layer 122, the lower end of the conductive sheet 121 extends into the battery body 10 for conduction connection, and the insulating layer 122 covers the outer surface of the lower end of the conductive sheet 121.
The insulating member 20 covers the outer surface of the top seal structure 11, a through hole 21 is formed in the insulating member 20, the tabs 12 extend upward through the through hole 21, in this embodiment, the upper end of the conductive sheet 121 and the upper end of the insulating layer 122 both extend upward through the through hole 21, the through holes 21 are arranged left and right, and the two tabs 12 respectively extend upward through the corresponding through holes 21; the through hole 21 is square, but it can be other shapes, not limited; the insulation member 20 is T-shaped after being unfolded, but it may be other shapes, and is not limited; and, the insulator 20 is a non-conductive insulating material of various thicknesses.
Detailed description the manufacturing process of this embodiment is as follows:
firstly, coiling a battery core, inserting a processed tab 12 into the battery core, winding and sealing to prepare the battery core with a top sealing structure 11, then, injection molding an insulating part 20 and opening a through hole 21, then, coating the insulating part 20 on the outer surface of the top sealing structure 11, and penetrating the tab 12 through the through hole 21 to extend upwards to complete the assembly.
The utility model discloses a design focus lies in:
through living the surface of electric core top seal structure with the insulating part cladding, seted up the through-hole on this insulating part, pass the through-hole with utmost point ear and upwards extend, improved product quality, make the technology operation become simple, improve the parcel electric core top seal efficiency of battery, solved electric core top seal parcel incomplete problem, improve the security performance.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a novel lithium polymer battery who wraps up electric core top seal structure which characterized in that: comprises a battery body and an insulating part; the top end of the battery body is provided with a top sealing structure, and the upper end of the top sealing structure extends upwards to form a lug; the outer surface of the top sealing structure is coated by the insulating piece, a through hole is formed in the insulating piece, and the tab penetrates through the through hole to extend upwards.
2. The novel lithium polymer battery wrapped with the cell top sealing structure according to claim 1, wherein: the battery body is of a cuboid structure.
3. The novel lithium polymer battery wrapped with the cell top sealing structure according to claim 1, wherein: the cross section of the top sealing structure is square.
4. The novel lithium polymer battery wrapped with the cell top sealing structure according to claim 1, wherein: and the left end and the right end of the top sealing structure respectively extend upwards to form a lug.
5. The novel lithium polymer battery wrapped with the cell top sealing structure according to claim 1, wherein: the tab comprises a conducting plate and an insulating layer, the lower end of the conducting plate extends into the battery body to be connected in a conduction mode, and the insulating layer is coated on the outer surface of the lower end of the conducting plate.
6. The novel lithium polymer battery wrapped with the cell top sealing structure according to claim 5, wherein: the upper end of the conducting strip and the upper end of the insulating layer both penetrate through the through hole and extend upwards.
7. The novel lithium polymer battery wrapped with the cell top sealing structure according to claim 1, wherein: the through holes are arranged on the left side and the right side, and the two pole lugs respectively penetrate through the corresponding through holes and extend upwards.
8. The novel lithium polymer battery wrapped with the cell top sealing structure according to claim 1, wherein: the through hole is square.
9. The novel lithium polymer battery wrapped with the cell top sealing structure according to claim 1, wherein: the insulation piece is T-shaped after being unfolded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120662552.4U CN215266586U (en) | 2021-04-01 | 2021-04-01 | Novel lithium polymer battery with wrapped battery core top seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120662552.4U CN215266586U (en) | 2021-04-01 | 2021-04-01 | Novel lithium polymer battery with wrapped battery core top seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215266586U true CN215266586U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120662552.4U Active CN215266586U (en) | 2021-04-01 | 2021-04-01 | Novel lithium polymer battery with wrapped battery core top seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215266586U (en) |
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2021
- 2021-04-01 CN CN202120662552.4U patent/CN215266586U/en active Active
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