Gas diffusion electrode and fuel cell using this

Details Gas diffusion electrode and fuel cell using this Gas diffusion electrode and fuel cell using this

2006-01-31

2006-01-31

Kalafut, Stephen J. (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Having earth feature

C502S101000

Reexamination Certificate

active

06991870

ABSTRACT:
It has been difficult to keep the voltage of a polymer electrolyte fuel cell stable for a long period of time because uniform water content control over the plane of the membrane-electrode assembly is impossible. A gas diffusion electrode is produced by forming a conductive polymer layer composed of conductive particles and a polymer material on a porous material composed of carbon fiber, and forming a catalyst layer composed of platinum-carried carbon particles on the plane of the conductive polymer layer. The conductive polymer layer is composed of conductive particles different in particle size, and the content of the conductive particles having the smaller particle size is decreased from one end towards the other end of the gas diffusion electrode.

REFERENCES:
patent: 5607785 (1997-03-01), Tozawa et al.
patent: 5783325 (1998-07-01), Cabasso et al.
patent: 5935643 (1999-08-01), Song et al.
patent: 6503655 (2003-01-01), Petricevic et al.
patent: 2003/0082432 (2003-05-01), Wilkinson et al.
patent: 61-269857 (1986-11-01), None
patent: 02-162650 (1990-06-01), None
patent: 07-254419 (1995-10-01), None
patent: 08-264192 (1996-10-01), None
patent: 09-283153 (1997-10-01), None
patent: 2001-057218 (2001-02-01), None
Computer generated translation of JP 9-283,153 (Kamata et al.) Oct. 1997.
Computer generated translation of JP 8-264,192 (Okae) Oct. 1996.
Computer generated translation of JP 2001-57,218 (Tomosawa et al.) Feb. 2001.

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