Conducting polymer electrodes for energy storage devices and met

Details Conducting polymer electrodes for energy storage devices and met Conducting polymer electrodes for energy storage devices and met

1996-10-15

1998-02-03

Gorgos, Kathryn L.

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Treating electrolytic or nonelectrolytic coating after it is...

205317, 29 2503, 429152, 429213, C25D 548, C25D 1100, B21F 4100, H01M 646

Patent

active

057140537

ABSTRACT:
A method for making high power electrochemical capacitors (20) provides for depositing an electrically conducting polymer (24) onto a metal substrate (22). The electrically conducting polymer is initially grown in the presence of a soft anion, i.e., an anion having a high degree of polarizability. Subsequently, the polymer is treated with a relatively hard anion which at least partially replaces the soft anion in the polymer. The result is an electrochemical charge storage device which has enhanced electrochemical properties.

REFERENCES:
patent: 4559284 (1985-12-01), Nishimura et al.
Van Dyke et al, "A Simple Chemical Procedure for Extending the Conductive State of Polyprrole to More Negative Potentials", J. Electrochem. Soc., vol. 140, No. 10, pp. 2754-2759, Oct. 1993.

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