Electric double layer capacitor

Details Electric double layer capacitor Electric double layer capacitor

1995-12-18

1999-09-14

Picard, Leo P.

Electricity: electrical systems and devices

Electrolytic systems or devices

Double layer electrolytic capacitor

361505, 361517, 361535, 361305, H01G 900

Patent

active

059532041

ABSTRACT:
An electric double layer capacitor is provided that includes a positive electrode having a currect collector combined with a polarizable electrode material composed mainly of activated carbon, a negative electrode having a current collector of porous metal incapable of forming an alloy with lithium, combined with a carbonaceous material having lithium ions occluded by a chemical method or an electrochemical method to a carbon material capable of occluding and releasing a lithium ions, and a nonaqueous electrolyte containing a lithium salt. The negative electrode is supported on a current collector of porous metal having a thickness of 0.1 to 1 mm and a porosity of 5 to 80%.

REFERENCES:
patent: 4020240 (1977-04-01), Schaikjer
patent: 4352866 (1982-10-01), Klinedinst et al.
patent: 4725927 (1988-02-01), Morimoto et al.
patent: 4824745 (1989-04-01), Ogawa et al.
patent: 4862328 (1989-08-01), Morimoto et al.
patent: 5030527 (1991-07-01), Carpio et al.
patent: 5494762 (1996-02-01), Isoyama et al.
patent: 5636437 (1997-06-01), Kaschmitter et al.

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