Gas diffusion substrate

Details Gas diffusion substrate Gas diffusion substrate

2005-09-27

2005-09-27

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C429S047000, C428S297400, C428S367000, C442S334000, C442S349000

Reexamination Certificate

active

06949308

ABSTRACT:
A fuel cell gas diffusion substrate has primary fibres, secondary fibres and one or more thermoplastic polymers for binding the primary and secondary fibres, characterized in that the secondary fibers are in the form of carbon nanofibers, and a gas diffusion electrode and membrane electrode assembly prepared therefrom are disclosed.

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patent: WO 00/47816 (2000-08-01), None
patent: WO 00/55933 (2000-09-01), None
D. Bevers er al., “Examination of the Influence of PTFE coating on the properties of carbon paper in polymer electrolyte fuel cells,”Journal of Power Sources,vol. 63 (1996), pp. 193-201.
International Search Report, dated Sep. 6, 2001, from corresponding International Application No. PCT/GB01/01655.
British Search Report, dated Feb. 23, 2001, from British priority application No. 0101942.1.

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