Mesophase pitch-based activated carbon fibers and electric doubl

Details Mesophase pitch-based activated carbon fibers and electric doubl Mesophase pitch-based activated carbon fibers and electric doubl

1998-04-06

2000-09-12

Griffin, Steven P.

Electricity: electrical systems and devices

Electrolytic systems or devices

Liquid electrolytic capacitor

4292318, 502418, H01G 9042

Patent

active

061186503

ABSTRACT:
Mesophase pitch-based activated carbon fibers which are obtained by milling infusibilized mesophase pitch fibers, as they are or after carbonizing at a temperature of 350 to 1,000.degree. C., to an average particle diameter of 5 to 50 .mu.m and then activating in the presence of an alkali metal compound. The activated carbon fibers have a pore distribution suitable for forming a electric double layer and is excellent as the material for an electrode of an electric double layer capacitor. The electric double layer capacitor having the electrode using the activated carbon fiber exhibits high discharge capacity.

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patent: 4946663 (1990-08-01), Audley et al.
patent: 5143889 (1992-09-01), Takahiro et al.
patent: 5401472 (1995-03-01), Kawakami et al.
Abstracts of Japan, JP 5-247731, Sep. 24, 1993.

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