导电聚苯胺在铝固体电解电容器上的应用研究

导电聚苯胺在铝固体电解电容器上的应用研究

Studies on Polyaniline as Electrolyte Used in Aluminum SolidElectrolytic Capacitors

ZhangYihu , Zhang Qingwu*,
Li Bingru

(China University of Mining and Technology in Beijing, 100083)

Abstract: Polyaniline were prepared by chemical polymerization in 25v/10µF aluminum electrolytic capacitors.
Influence of concentration of aniline to capacitance of capacitors and kinds of electrolyte used for repairing alumina film of capacitors were researched.
Results show that concentration of aniline has great effect on capacitance of aluminum solid electrolytic capacitors. At 6mol/L of aniline, capacitance of capacitors reaches its specified capacitance. Ammonium borate is a better electrolyte for repairing alumina film, and can improve performance of aluminum solid electrolytic capacitors.

Key words
solid aluminum electrolytic capacitors
polyaniline
chemical polymerization



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