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Energy storage film capacitor

A thin-film capacitor and energy storage technology, applied in the field of capacitors, to achieve the effect of improving connection performance and improving charge and discharge capabilities

Active Publication Date: 2022-07-26
FOSHAN CITY XINYUAN ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide an energy storage thin film capacitor to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Example 1: Preparation of First Polypropylene Base Film 310

[0054] A preparation method of the first polypropylene base film 310, comprising the following steps:

[0055] (1) Mix manganese dioxide, vanadium pentoxide and water, ultrasonically disperse, then add polymer (polyvinyl alcohol), then heat up to 80°C, keep warm for 2 hours, dry under vacuum conditions, and ball mill to obtain modified Manganese dioxide and vanadium pentoxide, the weight ratio of manganese dioxide, vanadium pentoxide and polymer is 1:0.2:12, and the weight ratio of manganese dioxide and water is 1:50; modified manganese dioxide and five The mesh number of vanadium oxide is 150-160 mesh;

[0056] (2) Mix polypropylene, styrene-maleic anhydride copolymer and polyester resin, the weight ratio of polypropylene, styrene-maleic anhydride copolymer and polyester resin is 1:1.5:2, and heat to molten state , and then add the modified manganese dioxide obtained in step (1), vanadium pentoxide and sil...

Embodiment 2

[0057] Example 2: Preparation of the first polypropylene base film 310;

[0058] A preparation method of the first polypropylene base film 310, comprising the following steps:

[0059] (1) Mix manganese dioxide, vanadium pentoxide and water, ultrasonically disperse, then add polymer (polyethylene wax), then heat up to 90°C, keep warm for 2 hours, dry under vacuum conditions, and ball mill to obtain modified Manganese dioxide and vanadium pentoxide, the weight ratio of manganese dioxide, vanadium pentoxide and polymer is 1:0.3:14, and the weight ratio of manganese dioxide and water is 1:60; modified manganese dioxide and five The mesh number of vanadium oxide is 150-160 mesh;

[0060] (2) Mix polypropylene, styrene-maleic anhydride copolymer and polyester resin, the weight ratio of polypropylene, styrene-maleic anhydride copolymer and polyester resin is 1:2:5, and heat to molten state , and then add the modified manganese dioxide and vanadium pentoxide prepared in step (1), s...

Embodiment 3

[0061] Example 3: Preparation of the first polypropylene base film 310;

[0062] A preparation method of the first polypropylene base film 310, comprising the following steps:

[0063] (1) Mix manganese dioxide, vanadium pentoxide and water, ultrasonically disperse, then add polymer (polyethylene glycol), then heat up to 95°C, keep the temperature for 3 hours, dry under vacuum conditions, and ball mill to obtain the modified product. manganese dioxide and vanadium pentoxide, the weight ratio of manganese dioxide, vanadium pentoxide and polymer is 1:0.5:18, and the weight ratio of manganese dioxide and water is 1:90; modified manganese dioxide and The mesh number of vanadium pentoxide is 150-160 mesh;

[0064] (2) Mix polypropylene, styrene-maleic anhydride copolymer and polyester resin, the weight ratio of polypropylene, styrene-maleic anhydride copolymer and polyester resin is 1:2:4.5, and heat to molten state , and then add the modified manganese dioxide and vanadium pento...

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Abstract

The invention belongs to the technical field of capacitors, and discloses an energy storage film capacitor which comprises a containing box, a sealing cover, a capacitor roll, a first tab, a second tab, a first conducting strip, a second conducting strip, a first wire and a second wire. According to the energy storage film capacitor, the first polypropylene composite film and the second polypropylene composite film are arranged, and the first polypropylene composite film and the second polypropylene composite film are axially rolled in parallel in the same direction to form a capacitor roll. A first empty surface is arranged in a first polypropylene base film, and a second empty surface is arranged in a second polypropylene base film. The surface connection between the second tab and the second metal layer is realized, and the surface connection between the first tab and the first metal layer is realized. The connection performance is improved, and then the charging and discharging capability of the whole energy storage film capacitor is improved.

Description

Technical field [0001] The invention belongs to the technical field of capacitors, and particularly relates to an energy storage film capacitor. Background technique [0002] Thin film capacitors refer to capacitors formed by thin films as dielectrics. Existing film capacitors generally form a first composite film and a second composite film by plating a metal layer on the film, and then roll the first composite film and the second composite film in parallel and in the same direction to form a capacitor roll. In order to extract the first tab from the first composite film, a wire is generally placed at any position during the rolling process of the first composite film, and then the wire is pulled out to form the first tab. In order to extract the second tab from the second composite film, a wire is generally placed at any position during the rolling process of the second composite film, and then the wire is pulled out to form the second tab. [0003] However, in this way ...

Claims

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Application Information

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IPC IPC(8): H01G4/245H01G4/33H01G4/14
CPCH01G4/245H01G4/33H01G4/14Y02E60/13
Inventor 谢志懋劳武烈
Owner FOSHAN CITY XINYUAN ELECTRONICS CO LTD
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