Method of making electrochemical capacitor electrode,...

Details Method of making electrochemical capacitor electrode,... Method of making electrochemical capacitor electrode,...

2006-02-07

2006-02-07

Nguyen, Ha Tran (Department: 2812)

Electricity: electrical systems and devices

Electrolytic systems or devices

Double layer electrolytic capacitor

C361S509000, C029S025030

Reexamination Certificate

active

06995970

ABSTRACT:
The method of making an electrochemical capacitor electrode in accordance with the present invention comprises a coating liquid preparing step of preparing a porous layer forming coating liquid containing a solid component including a porous particle having an electronic conductivity and a binder adapted to bind the porous particle, a liquid adapted to dissolve or disperse the binder, and an aggregate made of the solid component, such that the aggregate has a degree of dispersion of 10 to 200 μm in the coating liquid; a porous layer forming step of applying the porous layer forming coating liquid onto a surface of a collector and then removing the liquid so as to form a porous layer; and a pressing step of pressing the aggregate against the collector by pressing the collector and the porous layer, so as to form a depression and a projection on the surface of the collector formed with the porous layer. This method can make an electrochemical capacitor electrode having a fully reduced internal resistance and a sufficient electrode characteristic.

REFERENCES:
patent: 6236560 (2001-05-01), Ikeda et al.
patent: 6741450 (2004-05-01), Nakazawa et al.
patent: A 9-36005 (1997-02-01), None
patent: A 11-283887 (1999-10-01), None
patent: A 2000-36306 (2000-02-01), None
patent: A 2001-297952 (2001-10-01), None

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