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High-power dry-type capacitor

A capacitor and high-power technology, applied in the field of high-power dry capacitors, can solve the problems of energy storage capacity and large potential difference.

Pending Publication Date: 2020-07-03
NINGBO JIANGBEI GOFRONT HERONG ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The basic principle of a capacitor is composed of two conductive sheets that are parallel to each other and separated by space or a dielectric. When the current flows into the capacitor, the two conductive sheets will start to accumulate positive and negative charges of equal quantity, making the gap between the two conductive sheets The potential difference gradually increases, and because of the characteristics of capacitors, capacitors are often used as energy storage components, but when capacitors are used as energy storage components, one of the biggest problems is the problem of energy storage capacity

Method used

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Embodiment 1

[0032] please see figure 1 Cooperate Image 6 The presented content, the present invention is about a high-power dry capacitor, characterized in that it includes:

[0033] Housing 1, high-power dry-type capacitor body 2, the high-power dry-type capacitor body 2 is arranged in the housing 1, the high-power dry-type capacitor body 2 includes a pole plate 21, and the pole plate 21 includes The substrate 21 is provided with a foamed nickel 212 on the surface of the substrate 211 , and a nickel-cobalt sulfide@nickel-molybdenum oxide core-shell structure 213 is provided on the surface of the foamed nickel 212 .

[0034] The manufacturing method of described pole plate 21 is:

[0035] (1) Treatment of foamed nickel:

[0036] After setting the foamed nickel 212 on the surface of the substrate 211, put it into a beaker together with acetone, and then use an ultrasonic oscillator to vibrate for a period of time, and then wash it with deionized water; the substrate 211 and Put the hy...

Embodiment 2

[0051] please see image 3 , the electrolyte of the high-power dry capacitor body is preferably a copolymerized polymer of polyacrylonitrile grafted block polyetherdiamine, and its production method is: first put the polyetherdiamine into a container with nitrogen and water , and then add cerium ammonium nitrate and nitric acid aqueous solution into the container, and then add the acrylonitrile into the container after the reaction is completed, and after standing for a period of time, finally obtain the polyacrylonitrile grafted block The copolymerized polymer of polyetherdiamine, and then the copolymerized polymer of polyacrylonitrile grafted block polyetherdiamine was washed several times with polymer water and acetone, and then placed in a ventilated place for drying. After completion, put it into dimethylamide for final purification and precipitation. In this way, using the polyacrylonitrile-grafted block polyetherdiamine copolymer polymer as a colloidal electrolyte has be...

Embodiment 3

[0054] please see figure 2 The implementation method is: the surface of the housing 1 is provided with several conductive terminals 2 arranged in sequence at intervals, and each conductive terminal 2 is electrically connected to the high-power dry capacitor body 2 respectively, and the bottom of each conductive terminal 2 The ends pass through the top wall 11 of the housing 1 and the strip-shaped board 4 in sequence respectively, and there is a distance between the strip-shaped board 4 and the top wall 11 of the housing 1 .

[0055] In this way, through the spaced apart top wall 11 and strip-shaped plate body 4 , the conductive terminals 3 can be more stably arranged on the top surface of the housing 1 , and are not easily damaged by external force.

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Abstract

The invention discloses a high-power dry-type capacitor. The high-power dry-type capacitor comprises a shell and a high-power dry-type capacitor body, the high-power dry-type capacitor body is arranged in the shell, the high-power dry-type capacitor body comprises a polar plate, the polar plate comprises a substrate, foamed nickel is arranged on the surface of the substrate, and a nickel-cobalt sulfide and nickel-molybdenum oxide core-shell structure is arranged on the surface of the foamed nickel. Through the characteristic that the foamed nickel is combined with the nickel-cobalt sulfide andnickel-molybdenum oxide core-shell structure, the high-power dry-type capacitor provided by the invention has a good specific capacitance value no matter in a discharging or charging state, so that the whole high-power dry-type capacitor has excellent energy storage performance, and the performance and the value of the whole high-power dry-type capacitor are improved.

Description

technical field [0001] The invention relates to the technical field of capacitors, in particular to a high-power dry capacitor. Background technique [0002] The basic principle of a capacitor is composed of two conductive sheets that are parallel to each other and separated by space or a dielectric. When the current flows into the capacitor, the two conductive sheets will start to accumulate positive and negative charges of equal quantity, making the gap between the two conductive sheets The potential difference gradually increases, and because of this characteristic of capacitors, capacitors are often used as energy storage components, but when capacitors are used as energy storage components, one of the biggest problems is the problem of energy storage capacity. [0003] However, nickel-cobalt sulfide has the advantages of high conductivity and multiple metal oxidation states. In recent years, a large number of researchers have invested time and manpower in research, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/042H01G9/15
CPCH01G9/042H01G9/15
Inventor 童克锋赵亮李林
Owner NINGBO JIANGBEI GOFRONT HERONG ELECTRIC
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