Carbon film electrodes for super capacitor applications

Details Carbon film electrodes for super capacitor applications Carbon film electrodes for super capacitor applications

1997-01-30

1999-11-30

King, Roy V.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

361502, 427 80, 427122, 427228, B32B 900

Patent

active

059939699

ABSTRACT:
A microporous carbon film for use as electrodes in energy strorage devices is disclosed, which is made by the process comprising the steps of: (1) heating a polymer film material consisting essentially of a copolymer of polyvinylidene chloride and polyvinyl chloride in an inert atmosphere to form a carbon film; and (2) activating said carbon film to form said microporous carbon film having a density between about 0.7 g/cm.sup.2 and 1 g/cm.sup.2 and a gravimetric capacitance of about between 120 F/g and 315 F/g.

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Wessling, R. ed. Polyvinylidene Chloride, Chapter 10: "Carbonization of Saran"; pp. 159-172; Chapter 11: "Technology"; pp. 173-182 (1977) No month data!.
Gregory, J.B. ed. Third Conference on Industrial Carbons and Graphite, Apr. 14-17, 1970, Adams, L.B. et al, "Preparation, Structure and Properties of Saran Carbon Fibres and Powders", pp. 478-482 (1971).

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