Method of producing a microporous, gas permeable electrode struc

Details Method of producing a microporous, gas permeable electrode struc Method of producing a microporous, gas permeable electrode struc

1995-01-11

1997-03-04

Bell, Bruce F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204290R, 204292, 20419215, 4272481, 427250, 427566, 427567, 427597, 427404, 427405, 4274192, G01N 2726

Patent

active

056075642

ABSTRACT:
The invention relates to a method of producing a microporous, gas permeable electrode structure, and to a corresponding electrode structure. According to the method, on a substrate (2) by means of a vacuum evaporation process is formed a first microporous electrode layer (4) using an angle (.alpha.) between the substrate (2) and the evaporation source (1) smaller than 90.degree.. According to the invention, on the first microporous layer (4) is formed another microporous layer (5) of a precious metal using essentially the same evaporation angle (.alpha.) as in the fabrication step of the first microporous layer (4).

REFERENCES:
patent: 4500395 (1985-02-01), Nakamura
patent: 4612100 (1986-09-01), Edeling et al.
patent: 5035790 (1991-07-01), Morimoto et al.
patent: 5104695 (1992-04-01), Greer et al.

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