Accession Number : ADD015586

Title :   An Electrocatalytic Cathode Device and a Method for Making Such a Cathode.

Descriptive Note : Patent Application, Filed 21 Aug 92,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Marsh, Catherine L

Report Date : 21 Aug 1992

Pagination or Media Count : 10

Abstract : An electrocatalytic cathode that will allow hydrogen peroxide, H202, to behave electrochemically within an Al-H202 battery system is provided. The electrocatalytic cathode is comprised of nickel specially coated with one or a combination of the following six metals: platinum, ruthenium, rhodium, osmium, palladium, and iridium. The use of nickel coated with the appropriate combination of metals reduces the problems of excessive peroxide decomposition, thereby producing a battery that can operate efficiently by producing a high voltage at a high current density. The electrocatalytic cathode is produced by pretreating a nickel electrode with a hydrochloric acid bath and then by applying the metal coating by plating methods.

Descriptors :   *ELECTRIC BATTERIES, *PATENT APPLICATIONS, *ELECTROCATALYSTS, ACIDS, BATHS, CATHODES, COATINGS, CURRENT DENSITY, DECOMPOSITION, DENSITY, ELECTRODES, HIGH VOLTAGE, HYDROCHLORIC ACID, HYDROGEN, HYDROGEN PEROXIDE, IRIDIUM, METAL COATINGS, METALS, NICKEL, OSMIUM, PALLADIUM, PEROXIDES, PLATING, PLATINUM, RHODIUM, RUTHENIUM, VOLTAGE

Subject Categories : Electrochemical Energy Storage

Distribution Statement : APPROVED FOR PUBLIC RELEASE