High current acid fuel cell electrodes

Details High current acid fuel cell electrodes High current acid fuel cell electrodes

1992-02-03

1993-06-08

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

424 42, H01M 486

Patent

active

052178218

ABSTRACT:
Electrodes for an acid fuel cell are disclosed. The electrodes include a porous substrate and a catalyst layer supported on the substrate. The catalyst layer includes catalyst particles, a hydrophobic binder for providing a network of hydrophobic gas passages communicating with the catalyst particles and hydrophilic catalytically inactive particles for providing a network of liquid transport passages throughout the catalyst layer. The electrodes provide improved resistance to flooding and pumping and may be operated at high current density without developing severe concentration polarization.

REFERENCES:
patent: 4362290 (1982-12-01), Blanchart et al.
patent: 4407906 (1983-10-01), Stonewart
patent: 4847173 (1989-07-01), Mitsunaga et al.
patent: 4931168 (1990-06-01), Watanabe et al.
patent: 4970128 (1990-11-01), Itoh et al.

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