Solid-polymer-electrolyte membrane for fuel cell and process for

Details Solid-polymer-electrolyte membrane for fuel cell and process for Solid-polymer-electrolyte membrane for fuel cell and process for

1998-01-23

1999-11-30

Berman, Susan W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522124, 522149, 522155, 522156, 525199, 429 30, 429 46, H01M 808, C08L 2724, C08F 246

Patent

active

059944269

ABSTRACT:
A solid-polymer-electrolyte membrane for a polymer-electrolyte fuel cell is formed of a synthetic resin. The synthetic resin includes a main chain, and a hydrocarbon-based side chain. The main chain is formed as a film, and formed of a copolymer made from a fluorocarbon-based vinyl monomer and a hydrocarbon-based vinyl monomer. The hydrocarbon-based side chain involves a sulfonic group. The solid-polymer-electrolyte membrane exhibits a high strength and flexibility, but a low electric resistance, and can be produced at a reduced manufacturing cost. Thus, the solid-polymer-electrolyte membrane can be effectively applied to construct polymer-electrolyte fuel cells.

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Felix N. Bueshi et al., "Study Of Radiation-Grafted FEP-g-Polystyrene Membranes as Polymer Electrolytes in Fuel Cells", Electrochimica Acta, vol. 40, No. 3, pp. 345-353, 1995.
Brigitte L. Ramos et al., ".gamma.-Irradiation-indluced Grafting of Poly(styrenesulfonate) to Poly(tetrafluoroethylene) Shielded Microelectrodes", Analytical Chemistry, vol. 66, No. 11, Jun. 1, 1994.
Leon Y. Levy et al., "Infrared Investigation of Ionic Hydration in Ion-exchange Membranes", J. Chem. Soc., Faraday Trans., 1, 1982, 78, 17-28 .

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