Preparation of high energy capacity ruthenium oxide

Details Preparation of high energy capacity ruthenium oxide Preparation of high energy capacity ruthenium oxide

1997-10-08

2000-02-15

King, Roy V.

Coating processes

Heat decomposition of applied coating or base material

427 79, 4271263, 427113, B05D 302

Patent

active

060250208

ABSTRACT:
Amorphous, highly dispersed ruthenium oxide having a high energy storage capacity may be prepared using high surface area carbon as carbon powder or as carbon fibers as a template for the ruthenium oxide. The process avoids the disadvantages of a sol-gel process, and utilizes deposition of a ruthenium source within the pores of carbon fibers dispersed in a cellulose matrix. The ruthenium source subsequently is converted to amorphous ruthenium oxide hydrate by heating in a steam atmosphere containing at least 30 weight percent water at temperatures up to about 500.degree. C.

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P. Kurzweil and O. Schmid, "High Performance Metal Oxide Supercapacitors," Proc. 6th Int'l Seminar on Double Layer Capacitors and Similar Energy Storage Devices, Deerfield Beach, FLA, 1996 No page and month data are available.

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