Developments in Electrolytic Capacitors

The production, development and distribution of electrolytic capacitors are discussed. The original capacitors were Al foil with thin dielectric oxide films formed electrochemically. The capacitance was enhanced by chemical etching. Other early developments were the Ta foil and liquid electrolyte si...

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Bibliographic Details
Published in:Journal of the Electrochemical Society 1977-12, Vol.124 (12), p.403c-408c
Main Author: Bernard, Walter J.
Format: Article
Language:English
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Summary:The production, development and distribution of electrolytic capacitors are discussed. The original capacitors were Al foil with thin dielectric oxide films formed electrochemically. The capacitance was enhanced by chemical etching. Other early developments were the Ta foil and liquid electrolyte sintered pellet types. The Ta solid electrolyte capacitor is a later development that accounts for two-thirds of the present electrolytic capacitor production. Present research is directed toward solid Al capacitors, Nb electrolytic and Ta thin film capacitors. 112 ref.--H.B.C.
ISSN:0013-4651
1945-7111
DOI:10.1149/1.2133211