Method of making an electrode for an electrochemical capacitor and the method of making an electrochemical capacitor
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United States of America Patent
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Jul 11, 2006
Grant Date -
Apr 21, 2005
app pub date -
Jun 29, 2004
filing date -
Jun 30, 2003
priority date (Note) -
Expired
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Abstract
The present invention provides a method of making an electrochemical capacitor electrode comprising a collector and an electronically conductive porous layer formed on the collector while keeping an electric contact therewith. The porous layer contains at least a porous particle made of a carbon material having an electronic conductivity and a binder capable of binding the porous particle. The method comprises a plasma processing step of subjecting a material to high-frequency thermal plasma processing in a plasma gas atmosphere so as to yield the porous particle. All the manufacturing steps subsequent to the plasma processing step are carried out in an inert gas atmosphere.
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