Enhanced membrane-electrode interface

Details Enhanced membrane-electrode interface Enhanced membrane-electrode interface

1992-05-12

1993-11-30

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429 33, 429 41, H01M 812

Patent

active

052664210

ABSTRACT:
A membrane-electrode assembly for use in thermoelectrochemical systems. The electrode assembly includes a radiation grafted cation exchange membrane which is plasma etched to provide an etched anode surface and etched cathode surface. A catalytic cathode layer is thermally bonded to the etched cathode surface and a catalytic anode layer is thermally bonded to the etched anode membrane surface. The resulting membrane-electrode assembly is resistant to delamination and provides electrochemical performance which is equal to or better than that obtained with more expensive conventional electrodialysis membranes.

REFERENCES:
patent: 4556614 (1985-12-01), le Mehaute et al.
patent: 4592973 (1986-06-01), Pemsler et al.
patent: 4738904 (1988-04-01), Ludwig et al.
patent: 4822701 (1989-04-01), Ballard et al.
patent: 4865930 (1989-09-01), Kindler et al.

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