Metal collector foil for electric double layer capacitor,...

Details Metal collector foil for electric double layer capacitor,... Metal collector foil for electric double layer capacitor,...

2005-01-18

2005-01-18

Dinkins, Anthony (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Double layer electrolytic capacitor

C361S508000, C029S025030

Reexamination Certificate

active

06845003

ABSTRACT:
A metal collector foil for an electric double layer capacitor is an etched metal collector foil having an oxide film in an amount of not greater than 300 mg/m2, and a capacitance per unit surface area of not less than 150 μF/cm2. The etched metal collector foil is free from a dielectric layer formed by an anodic formation process on a surface of the etched metal collector foil. A method of producing the metal collector foil and an electric double layer capacitor incorporating therein the metal collector foil are also disclosed.

REFERENCES:
patent: 6262878 (2001-07-01), Shirashige et al.
patent: 6456483 (2002-09-01), Chiavarotti et al.
patent: 6493210 (2002-12-01), Nonaka et al.
patent: 11-283871 (1999-10-01), None
patent: 2001-176757 (2001-06-01), None

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