| US 7,588,849 B2 | ||
| Solid-oxide fuel cell system having tempering of fuel cell stacks by exhaust gas | ||
| Karl J. Haltiner, Jr., Fairport, N.Y. (US); Subhasish Mukerjee, Rochester, N.Y. (US); Sean M. Kelly, Churchville, N.Y. (US); and Diane M. England, Bloomfield, N.Y. (US) | ||
| Assigned to Delphi Technologies, Inc., Troy, Mich. (US) | ||
| Filed on Jun. 24, 2002, as Appl. No. 10/178,855. | ||
| Prior Publication US 2003/0235733 A1, Dec. 25, 2003 | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. H01M 8/04 (2006.01); H01M 8/06 (2006.01); H01M 8/10 (2006.01) | ||
| U.S. Cl. 429—26 [429/38; 429/148; 429/32; 180/65.1] | 4 Claims |
| 1. A fuel cell system having fuel cells tempered externally by burned tail gas exhaust, comprising:
a) a plurality of individual fuel cells organized into at least one fuel cell stack assembly including a plurality of cathodes
and anodes;
b) means for conveying fuel to said anodes and means for returning tail gas fuel from said anodes;
c) means for conveying air to said cathodes and means for returning air from said cathodes;
d) a tempering jacket space surrounding said fuel cell stack assembly;
e) a combustor disposed in said means for returning tail gas fuel for burning said tail gas to produce exhaust gas;
f) means for conveying said exhaust gas from said combustor to said tempering jacket space; and
g) heat exchange means disposed in both said air conveying means and said exhaust conveying means for heating said air and
cooling said exhaust gas.
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