Catalytic powder and electrode made therewith

Details Catalytic powder and electrode made therewith Catalytic powder and electrode made therewith

2005-12-06

2005-12-06

Bell, Bruce F. (Department: 1746)

Chemistry: electrical and wave energy

Apparatus

Electrolytic

C204S290010, C204S290120, C204S292000, C204S293000, C429S047000, C429S047000, C502S101000

Reexamination Certificate

active

06972078

ABSTRACT:
A catalytic powder comprising a plurality of support metal particles with a porous coating (12) surrounding the metal particles (11), the porous coating comprising either an electrocatalytic metal or an electrocatalytic metal continuous phase in admixture with a particulate material (14). An electrode made with the catalytic powder and a method to make the electrode is also disclosed. The present invention is advantageous because the porous coating mixture is first applied to a powder rather than being applied directly to a metal substrate, thereby creating a large internal surface area on the electrode and accordingly, lower overpotential requirements.

REFERENCES:
patent: 3486928 (1969-12-01), Rhoda et al.
patent: 5645930 (1997-07-01), Tsou
patent: 0174413 (1986-03-01), None

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