Electrode for electric double-layer capacitor, and slurry...

Details Electrode for electric double-layer capacitor, and slurry... Electrode for electric double-layer capacitor, and slurry...

2006-08-22

2006-08-22

McGinty, Douglas (Department: 1751)

Electricity: electrical systems and devices

Electrolytic systems or devices

Double layer electrolytic capacitor

C361S508000, C429S231400, C429S231800, C252S511000, C252S502000, C106S730000, C106S805000, C536S043000

Reexamination Certificate

active

07095604

ABSTRACT:
In an electric double-layer capacitor, a solution of a quaternary ammonium borofluoride compound in propylene carbonate is used as an electrolyte. The electrode includes alkali-activated carbon made using meso-phase pitch as a starting material, and a conductive filler having a rest potential smaller than that of the alkali-activated carbon in the electrolyte. The amount Fc of conductive filler incorporated in the electrode is set in a range of 10% by weight≦Fc≦40% by weight. Such electric double-layer capacitor has a large electrostatic capacity and excellent durability.

REFERENCES:
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patent: 0927778 (1999-07-01), None
patent: 08-097091 (1996-04-01), None
patent: EP 927778 (1999-07-01), None
patent: 11-288718 (1999-10-01), None

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