Cathode coating with hydrogen-evolution catalyst and semi-conduc

Details Cathode coating with hydrogen-evolution catalyst and semi-conduc Cathode coating with hydrogen-evolution catalyst and semi-conduc

1982-04-05

1985-11-12

Niebling, John F.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Making catalytic electrode, process only

427123, 4271261, 4271263, 4271266, 427226, 4273882, 427 86, H01M 488, B05D 512

Patent

active

045528578

ABSTRACT:
A cathode coating comprises a catalyst for hydrogen evolution finely dispersed in a matrix consisting of an insoluble, semiconducting polymer which is formed in situ on an electrode support body. A bipolar electrode is provided with such a cathode coating on a support body consisting of a valve metal such as titanium.
The cathode coating is formed by applying to the electrode support body a coating solution which contains an inorganic precursor compound for the hydrogen evolution catalyst and an organic precursor compound for forming the polymer matrix, drying and then thermally converting these precursors to a cathode coating adhering to the electrode support body.

REFERENCES:
patent: 3438815 (1969-04-01), Giner
patent: 3438817 (1969-04-01), Short et al.
patent: 3632498 (1972-01-01), Beer
patent: 3798063 (1974-03-01), Decraene
patent: 3881957 (1975-09-01), Hausler
patent: 4043933 (1977-08-01), Breault et al.
patent: 4118294 (1978-10-01), Pellegri
patent: 4285796 (1981-08-01), Stoner et al.
patent: 4439313 (1984-03-01), Katz
patent: 4459324 (1984-07-01), Gauger

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