Catalytic electrolytic electrode

Details Catalytic electrolytic electrode Catalytic electrolytic electrode

1980-05-12

1985-10-01

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204293, 502101, 502204, 502206, 502308, 502311, 502313, 502320, 502322, 502323, 502327, 502335, 502351, 502354, C25B 1104

Patent

active

045444730

ABSTRACT:
A catalytic body which is substantially amorphous is formed from at least two materials vacuum deposited on a cool substrate or sprayed on a cool surface to provide a local order non-equilibrium structural configuration. The amorphous body comprises a composition of at least one metal and a second component which maintains the amorphous character of the composition. The body has an increased number and desired type of catalytically active sites. In most applications, the composition includes at least initially a component which is removed by leaching or vaporization to leave a rough surface with a large surface to volume ratio. The resulting composition is sometimes annealed to relax or modify the local structure thereof to provide a more reactive structural configuration. In an electrode form of the invention, the catalytic body is highly conductive, resistant to corrosion and degradation under current reversal and has low overvoltage characteristics when used in electrochemical cells.

REFERENCES:
patent: 3428490 (1969-02-01), Bravo et al.
patent: 3673116 (1972-06-01), Richter
patent: 3926844 (1975-12-01), Benczur-Urmosy
patent: 4033837 (1977-07-01), Kuo et al.
patent: 4080278 (1978-03-01), Ravier et al.
patent: 4105531 (1978-08-01), Kuo et al.
patent: 4116804 (1978-09-01), Needes
patent: 4248680 (1981-02-01), Carlin et al.
patent: 4279709 (1981-07-01), McIntyre et al.
patent: 4323595 (1982-04-01), Welch et al.
Hackh's Chemical Dictionary by Grant, p. 34, Published by Blakiston, Co., Philadelphia (1944).

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