| US 7,473,485 B2 | ||
| Extended electrodes for PEM fuel cell applications | ||
| Sergei F. Burlatsky, Vernon, Conn. (US); Jared B Hertzberg, Hyattsville, Md. (US); Ned E. Cipollini, Enfield, Conn. (US); David A. Condit, Avon, Conn. (US); Thomas D. Jarvi, Manchester, Conn. (US); James A. Leistra, West Granby, Conn. (US); Michael L. Perry, South Glastonbury, Conn. (US); and Thomas H. Madden, Glastonbury, Conn. (US) | ||
| Assigned to UTC Power Corporation, South Windsor, Conn. (US) | ||
| Filed on Jun. 14, 2004, as Appl. No. 10/867,305. | ||
| Application 10/867305 is a continuation in part of application No. 10/235074, filed on Sep. 04, 2002, granted, now 7,112,386. | ||
| Application 10/235074 is a continuation in part of application No. 10/795181, filed on Mar. 04, 2004. | ||
| Prior Publication US 2004/0224216 A1, Nov. 11, 2004 | ||
| Int. Cl. H01M 4/86 (2006.01); H01M 4/90 (2006.01) | ||
| U.S. Cl. 429—40 [429/30; 429/42] | 15 Claims |
| 1. A membrane electrode assembly, comprising:
an anode;
a cathode;
a membrane disposed between the anode and the cathode; and
an extended catalyzed layer between the membrane and at least one electrode of the anode and the cathode, the extended catalyzed
layer comprising catalyst particles embedded in membrane material and including a first plurality of particles which are electrically
connected to the at least one electrode and a second plurality of particles which are electrically disconnected from the at
least one electrode.
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