Method for producing electrode for aluminum electrolytic capacitor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12027321
APP PUB NO 20210335554A1
SERIAL NO

16977255

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Abstract

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In production of an electrode for an aluminum electrolytic capacitor, a hydrated film is formed onto an aluminum electrode including a porous layer by immersing the aluminum electrode into a first hydration treatment liquid having a temperature of 80° C. or more in a first hydration treatment step (ST1) and thereafter the aluminum electrode is heated in an atmosphere having a temperature of 150° C. or more and 350° C. or less in a dehydration step (ST2). Subsequently, a hydrated film is formed onto the aluminum electrode by immersing the aluminum electrode into a second hydration treatment liquid having a temperature of 80° C. or more in a second hydration treatment step (ST3) and thereafter chemical formation of the aluminum electrode is performed at 400 V or more and further 600 V or more in a chemical formation step.

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Patent Owner(s)

Patent OwnerAddress
NIPPON LIGHT METAL COMPANY LTD2-20 HIGASHI-SHINAGAWA 2-CHOME SHINAGAWA-KU TOKYO 140-8628
TOYO ALUMINIUM K KJAPAN OSAKA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujimoto, Kazuya Osaka, JP 21 112
Katano, Masahiko Shizuoka, JP 12 16
Shimizu, Yuta Shizuoka, JP 47 62
Sone, Shinya Osaka, JP 9 10
Taira, Toshifumi Osaka, JP 20 68

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