Method for fabricating gas diffusion electrode assembly for fuel

Details Method for fabricating gas diffusion electrode assembly for fuel Method for fabricating gas diffusion electrode assembly for fuel

1993-04-30

1995-03-21

Kalafut, Stephen

Metal working

Method of mechanical manufacture

Electrical device making

427115, 296235, H01M 810

Patent

active

053991842

ABSTRACT:
A method for fabricating an electrode assembly for solid polymer electrolyte fuel cells comprising a cation exchange membrane as the electrolyte and electrode catalyst layers, which utilizes specific perfuluorosulfonic acid copolymers for the cation exchange membrane and a binder used for preparing the electrode catalyst layers or bonding the cation exchange membrane and the electrode catalyst layers and provides electrode assemblies for the fuel cells being capable of providing fuel cells having a high cell voltage with high efficiency.

REFERENCES:
patent: 4272560 (1981-06-01), Baczek et al.
patent: 4876115 (1989-10-01), Raistrick
patent: 5211984 (1993-05-01), Wilson
patent: 5242764 (1993-09-01), Dhar
Shimshon Gottesfeld, et al., Recent Advances in PEM Fuel Cell Research at Los Alamos National Laboratory, Los Alamos National Laboratory, Los Alamos, N. Mex, pp. 1-3 (date unknown).
M. S. Wilson et al., Thin-film catalyst layers for polymer electrolyte fuel cell electrodes, Journal of Applied Electrochemistry 22 (1992), pp. 1-7 (month not available).
M. S. Wilson et al., High Performance Catalyzed Membranes of Ultra-low Pt Loadings for Polymer Electrolyte Fuel Cells, J. Electrochem. Soc., vol. 139, No. 2, Feb. 1992, pp. L28-L30.

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