| US 7,611,791 B2 | ||
| Spirally-wound fuel cell assembly | ||
| Ron Brost, Dearborn, Mich. (US); William Schank, Howell, Mich. (US); James Waldecker, Farmington Hills, Mich. (US); and Bruce Blakemore, Washtenaw, Mich. (US) | ||
| Assigned to Ford Motor Company, Dearborn, Mich. (US) | ||
| Filed on Nov. 16, 2005, as Appl. No. 11/281,215. | ||
| Prior Publication US 2007/0111080 A1, May 17, 2007 | ||
| Int. Cl. H01M 8/04 (2006.01); H01M 8/10 (2006.01); H01M 8/24 (2006.01) | ||
| U.S. Cl. 429—31 [429/32; 429/34; 429/35; 429/38] | 18 Claims |
| 1. A fuel cell assembly comprising:
an enclosure;
a plurality of cell assemblies disposed in physical and electrical contact with each other and provided in said enclosure,
each of said cell assemblies having at least one membrane electrode assembly including a negative electrode, a positive electrode
and a proton conductive membrane disposed between said negative electrode and said positive electrode, each of said cell assemblies
comprising an inner portion comprising facing and spaced apart portions of said positive electrode and an outer portion comprising
said negative electrode, said inner portion fluidly isolated from said outer portion;
an oxidant channel provided in fluid communication with said inner portion in each of said plurality of cell assemblies for
receiving an oxidant gas; and
a fuel gas pathway defined around said outer portion of said plurality of cell assemblies for receiving a fuel gas.
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