Working electrolyte solution of 800 V aluminum electrolytic capacitor and preparation method of working electrolyte solution

A technology of aluminum electrolytic capacitors and electrolytes, which is applied in the direction of electrolytic capacitors, capacitors, circuits, etc., can solve the problems of discounted service life of aluminum capacitors and other components, the inability to realize the miniaturization of the whole machine, and the reduction of the heat dissipation effect of the circuit board, etc., to achieve Superior electrical performance, complete crystal, and good product pressure resistance
CN104465100AActive Publication Date: 2015-03-25RUYUAN YAO AUTONOMOUS COUNTY DONGYANGGUANG FORMED FOIL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
RUYUAN YAO AUTONOMOUS COUNTY DONGYANGGUANG FORMED FOIL CO LTD
Publication Date
2015-03-25

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Abstract

The invention discloses a working electrolyte solution of an 800 V aluminum electrolytic capacitor. The working electrolyte solution comprises, by weight, 30%-65% of main solvent, 10%-35% of auxiliary solvent, 5%-25% of solute, 5%-15% of spark voltage improver and 1.5%-3.5% of additives. The invention further discloses a preparation method of the working electrolyte solution. The working electrolyte solution makes a 700 V-750 V superhigh voltage technical breakthrough and can directly reach the 800 V superhigh voltage technical field, and the working electrolyte solution has the advantages of being high in working voltage, long in service life, stable in performance under a high temperature environment, good in pressure resistance of products, good in gas production performance and the like.
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Description

technical field

[0001] The invention relates to the technical field of ultra-high voltage aluminum capacitors for new energy sources, in particular to a working electrolyte for an 800V aluminum electrolytic capacitor and a preparation method thereof. technical background

[0002] With the development of science and technology, the improvement of social needs, the improvement of the environment, and the birth of new complete machines, the trend of miniaturization, chip type, medium and high voltage and large capacity of aluminum capacitors has developed. Recently, many well-known brand capacitor manufacturers such as Japan, which are at the forefront of the world, have developed in the aspect of aluminum capacitors that tend to be ultra-high voltage (rated voltage above 600V). Products, and most of their new series of products are in the field of ultra-high voltage, from which we can conclude that ultra-high voltage aluminum capacitors are a development trend in the future. ...

Claims

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