Chemistry: electrical and wave energy – Processes and products
Patent
1976-10-22
1977-10-25
Edmundson, F.C.
Chemistry: electrical and wave energy
Processes and products
204252, 204219, 204 99, C25B 1106, C25B 1110, C25B 120
Patent
active
040554775
ABSTRACT:
Disclosed is an electrode having an electroconductive substrate and an electroconductive layer on the substrate. The electroconductive layer is an intermetallic compound of a platinum group metal and a transition metal. Also disclosed is a method of electrolyzing brine, such as sodium chloride brine, where the brine is fed to an electrolytic cell having an anode and a cathode, an electrical current is passed from the anode to the cathode, and chlorine is evolved at the anode, which anode has an electroconductive substrate with an electroconductive layer thereon formed by an intermetallic compound of a platinum group metal and a transition metal. The electroconductive layer may either be an intermediate layer with a further layer of a catalytic material, as an electrocatalytic material or surface catalytic material, or it may be the catalytic material itself.
REFERENCES:
patent: 3291714 (1966-12-01), Hall et al.
patent: 3293167 (1966-12-01), Greenspan
patent: 3340097 (1967-09-01), Hess et al.
patent: 3428544 (1969-02-01), Bianchi et al.
patent: 3441495 (1969-04-01), Colman
patent: 3449231 (1969-06-01), Adams et al.
patent: 3491014 (1970-01-01), Bianchi et al.
patent: 3852175 (1974-12-01), Hoekje
Edmundson F.C.
Goldman Richard M.
PPG Industries Inc.
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