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Two-terminal pole-type high-performance supercapacitor

A supercapacitor, high-performance technology, applied in the field of capacitors, can solve the problems of unfavorable installation of voltage acquisition harness or temperature acquisition harness, low accuracy and stability of collected data, high requirements for production and processing technology, and improve installation accuracy and installation efficiency , Reduce processing technology requirements and processing costs, and reduce equipment investment

Inactive Publication Date: 2019-09-03
南通江海储能技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the centering and fastening assembly of the positive electrode current collector and the aluminum shell of the pole-type high-performance supercapacitor at both ends generally adopts rolling or positive electrode plus sealing ring, which has poor installation accuracy and high requirements for production and processing technology. The accuracy of the assembly directly affects the important electrical performance parameters of the product. At the same time, the cooling effect of the capacitor is poor, which is not conducive to the installation of the voltage acquisition harness or the temperature acquisition harness, resulting in low accuracy and stability of the collected data.

Method used

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Examples

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Embodiment 1

[0020] see Figure 1-3 , a high-performance welded capacitor with poles at both ends, including an aluminum shell 1, a positive current collector 2, a negative pole assembly 3, a sealing ring 4, a PFA gasket 5 and a core package 6, and the positive electrode of the positive current collector 2 The bottom end of the column is a conical surface 21 structure, and the aluminum shell 1 is also a conical surface structure 11 at the joint. The column assembly 3 has a groove design 10 at the root of the pole, and an explosion-proof valve 7 is also provided on the aluminum shell 1 .

Embodiment 2

[0022] see Figure 4-5 , a two-terminal post-type high-performance bolted capacitor, including an aluminum shell 1, a positive current collector 2, a negative pole assembly 3, a sealing ring 4, a PFA gasket 5 and a core package 6, and the positive electrode of the positive current collector 2 The bottom end of the column is a conical surface 21 structure, and the aluminum shell 1 is also a conical surface structure 11 at the joint.

[0023] The two types of capacitors, welded capacitors and bolted capacitors, can meet the needs of a single unit that is suitable for multiple forms and flexibly form modules required by customers; at the same time, the core package, positive current collector, and negative pole assembly of the present invention are welded by laser, and the positive pole The current collector and the aluminum shell are also sealed by laser welding, which reduces the DC internal resistance on the one hand and enhances the sealing of the product on the other hand. ...

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Abstract

The invention discloses a two-terminal pole-type high-performance supercapacitor which comprises an aluminum shell, a positive current collecting piece, a negative pole assembly, a sealing ring, a PFAwasher and a core package, wherein the positive pole bottom of the positive current collecting piece is a tapered surface; the aluminum shell also has a tapered structure at a mating point; the two tapered surfaces match each other; a threaded hole is disposed in the positive pole of the positive current collecting piece; and the roots of the positive and negative poles of a solder pole supercapacitor have grooves. When the supercapacitor is assembled, by means of the tapered surfaces of both the positive current collecting piece and the aluminum shell, physical centering is perforemd by taper fitting, thereby contributing to centering the assembled product and to controlling the length dimension of a single supercapacitor, improving installation precision and installation efficiency, reducing cost and improving production efficiency. By disposing the threaded hole in the positive pole column of the positive current collecting piece, the heat dissipation area of a product can be increased, the heat dissipation of the product is improved, and the product can improve the accuracy and stability of the collected data in application.

Description

technical field [0001] The invention relates to the technical field of capacitors, in particular to a high-performance supercapacitor with poles at both ends. Background technique [0002] At present, the centering and fastening assembly of the positive electrode current collector and the aluminum shell of the pole-type high-performance supercapacitor at both ends generally adopts rolling or positive electrode plus sealing ring, which has poor installation accuracy and high requirements for production and processing technology. The accuracy of the assembly directly affects the important electrical performance parameters of the product. At the same time, the cooling effect of the capacitor is poor, which is not conducive to the installation of the voltage acquisition harness or the temperature acquisition harness, resulting in low accuracy and stability of the collected data. Contents of the invention [0003] The object of the present invention is to provide a two-terminal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G11/70H01G11/82H01G11/18H01G11/26H01G11/78
CPCH01G11/18H01G11/26H01G11/70H01G11/78H01G11/82Y02E60/13
Inventor 张元坤杨恩东王浩清许检红王浩
Owner 南通江海储能技术有限公司
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