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High pressure energy storing capacitor

An energy storage capacitor and capacitor film technology, which is applied in the field of capacitors, can solve the problem that it is difficult to meet the field strength of high-voltage energy storage capacitors, and achieve the effects of improving the working field strength and energy density, and improving the self-healing ability.

Inactive Publication Date: 2014-11-19
宁波新容电器科技有限公司
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] The present invention provides a method that can improve the field strength and energy density of the capacitor to a greater extent in order to solve the current situation that it is difficult to meet the high field strength and high energy density requirements of the high-voltage energy storage capacitor in the existing capacitor film, and automatically High voltage energy storage capacitor with high healing capacity

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Embodiment Construction

[0015] figure 1 In the shown embodiment, a high-voltage energy storage capacitor includes an OPP or PET film, the capacitor film adopts a pure aluminum film structure, and the pure aluminum film is vapor-deposited on the OPP or PET film. The square resistance range of the pure aluminum film is 120Ω / □, or the square resistance range of the pure aluminum film is 100~150Ω / □. The thickness of the pure aluminum film is 1-3 nanometers. The purity of pure aluminum film is: 99.99%. Adopt internal serial structure. The pure aluminum film is evaporated into multiple internal series structures according to the voltage requirements of a single component, and multiple external parallel connections can be made according to the capacitance. The pure aluminum film is wound into a capacitor core and then subjected to a high-temperature setting treatment above 120°C, that is, its heat-setting temperature is above 120°C.

[0016] figure 2 The table in the table is the breakdown comparison...

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Abstract

The invention discloses a high pressure energy storing capacitor which comprises an OPP or PET film, wherein the film of the capacitor adopts a pure aluminium film structure; a pure aluminium film is evaporated on the OPP or PET film; the sheet resistance range of the pure aluminium film is 100-150 omega / sq; the thickness of the pure aluminium film is 1-3 nanometers. The self-healing capability of the capacitor is improved to a greater extent, the work field strength and the energy density of the capacitor are improved, and the use requirements of the high pressure energy storing capacitor are met and achieved to a greater extent.

Description

technical field [0001] The invention relates to a capacitor, in particular to a capacitor film used on a high-voltage energy storage capacitor. Background technique [0002] The capacitance film of capacitors is usually coated with metal layers such as zinc-aluminum layer, silver-zinc layer, etc. on the dielectric to form electrodes and make capacitors. In high-voltage capacitors, especially in some special high-voltage energy storage capacitors, due to the high field strength and high energy density, although the existing capacitor film structure can meet the high field strength and energy density to a certain extent, it is difficult to meet Meet the requirements of high-voltage capacitors, especially some special high-voltage energy storage capacitors with higher requirements. Contents of the invention [0003] The present invention provides a method that can improve the field strength and energy density of the capacitor to a greater extent in order to solve the current...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01G4/33
Inventor 陈才明贾德星邵智金席光华朱一元陈学燕郑龙龙
Owner 宁波新容电器科技有限公司