Polymer electrolyte hydrogen-oxygen fuel cell where the polymer

Details Polymer electrolyte hydrogen-oxygen fuel cell where the polymer Polymer electrolyte hydrogen-oxygen fuel cell where the polymer

1994-07-11

1996-03-19

Gorgos, Kathryn

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429 41, 429 42, 429 33, 429192, 429218, 180 651, 180 653, 310300, 318558, H01M 402, H01M 490

Patent

active

055002927

ABSTRACT:
The polymer electrolyte type hydrogen-oxygen fuel cell of the present invention comprises an oxygen electrode and a hydrogen electrode, a polymer electrolyte membrane provided between the oxygen electrode and hydrogen electrode and electron conductors provided on the side of the electrodes which is opposite to the electrolyte side and the oxygen electrode comprises a catalytically active component, a carrier for the catalytically active component and a binder and has such a gradient in water repellency across the thickness that the water repellency is highest in the area adjacent to the electrolyte and lowest in the area adjacent to the conductor. In this fuel cell, flooding of water at the interface between the oxygen electrode and the electrolyte can be prevented.

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patent: 4543303 (1985-09-01), Dantowitz et al.
patent: 4804592 (1989-02-01), Vanderborgh et al.
patent: 4876115 (1989-10-01), Raistrick
patent: 4931168 (1990-06-01), Watanabe et al.
"Hyomen", vol. 26, No. 12; pp. 904-909; 1988 No month available considered only for brief explanation in the specification.
"Denkikagaku", vol. 53, No. 10; pp. 812-817; 1985 No month available considered for Eng. Ab.
Energy, The International Journal, vol. 11, No. 1/2, 1986, pp. 137-152, Appleby, et al, (SPEFCs) No month available.

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