Manufacturing method of low-voltage electrode foil for high-temperature capacitor

The invention discloses a manufacturing method of a low-voltage electrode foil for a high-temperature capacitor. The manufacturing method comprises the steps of aluminum foil formation, passivation, primary formation, heat treatment and secondary formation. Compared with the prior art, with the manu...

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Bibliographic Details
Main Authors WU CHUNCHUN, JIN ZHIGANG
Format Patent
LanguageChinese
English
Published 20.04.2016
Subjects
BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
ELECTRICITY
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Summary:The invention discloses a manufacturing method of a low-voltage electrode foil for a high-temperature capacitor. The manufacturing method comprises the steps of aluminum foil formation, passivation, primary formation, heat treatment and secondary formation. Compared with the prior art, with the manufacturing method of the invention adopted, the thickness of an oxide layer can be reduced, and the capacity and water resistance of a product can be improved, hydration can be prevented, the service life of the capacitor can be prolonged, and the service life of the capacitor can be prolonged to more than 10000 hours from 5000 hours.
Bibliography:Application Number: CN20151981140