Surface activated alloy electrodes and process for preparing the

Details Surface activated alloy electrodes and process for preparing the Surface activated alloy electrodes and process for preparing the

1990-02-16

1990-10-23

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204293, 428687, 427 531, C25B 1106, C25B 1108

Patent

active

049649671

ABSTRACT:
Surface activated surface alloy electrodes and a process for preparing them high in corrosion resistance and activity, comprising a corrosion-resistant metal selected from, or a corrosion-resistant alloy composed of two or more metals selected from titanium, zirconium, niobium and tantalum, or a corrosion-resistant metal selected from, or a corrosion-resistant alloy composed of two or more metals selected from titanium, zirconium, niobium and tantalum clad with a corrosion-resistant metal selected from, or a corrosion-resistant alloy composed of two or more metals selected from titanium, zirconium, niobium and tantalum, or with any other metal or alloy, rolled or non-rolled, being used as a substrate metal or alloy; an alloy consisting of 20 to 67 atomic % of one or more metals selected from titanium, zirconium, niobium and tantalum, 0.01 to 10 atomic % of oine or more platinum group metals of ruthenium, rhodium, palladium, iridium and platinum, and substantially the remaining amount of nickel and/or cobalt, existing on said substrate metal or alloy as a rapidly solidified surface alloy of 150 .mu.m or less thickness containing amorphous phase at least partially; and said surface alloy, being treated to be activated on the surface.

REFERENCES:
patent: 4253933 (1981-03-01), Sato
patent: 4339270 (1982-07-01), Hashimoto
patent: 4544473 (1985-10-01), Ovshinsky
patent: 4609442 (1986-09-01), Tenhover
patent: 4702813 (1987-10-01), Tenhover
patent: 4770949 (1988-09-01), Hashimoto

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