(19)

(11)

EP 1 782 490 A2

(12)

(88) Date of publication A3: 11.05.2006 (43) Date of publication: 09.05.2007 Bulletin 2007/19 (21) Application number: 05757500.3 (22) Date of filing: 09.06.2005

(51) International Patent Classification (IPC):  H01M 2/22(2006.01) (86) International application number: PCT/US2005/020153 (87) International publication number: WO 2006/001995 (05.01.2006 Gazette 2006/01)

(84) Designated Contracting States: DE GB IT (30) Priority: 15.06.2004 US 867975 25.05.2005 US 137018 (71) Applicant: Fuelcell Energy, Inc. Danbury, CT 06813 (US)	(72) Inventors: XU, Gengfu Danbury, CT 06810 (US) YUH, Chao-Yi New Milford, CT 06776 (US) (74) Representative: Heinemann, Monica et al Abitz & Partner Patentanwälte Hörselbergstrasse 5 D-81677 München D-81677 München (DE)