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(11)

EP 2 225 788 A1

(12)

(43) Date of publication: 08.09.2010 Bulletin 2010/36 (21) Application number: 08863140.3 (22) Date of filing: 12.11.2008

(51) International Patent Classification (IPC):  H01M 8/02(2006.01) (86) International application number: PCT/US2008/083155 (87) International publication number: WO 2009/079119 (25.06.2009 Gazette 2009/26)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 17.12.2007 US 957926 (71) Applicant: Praxair Technology, Inc. Danbury, CT 06810 (US)	(72) Inventors: REED, David, Matthew East Amherst NY 14051 (US) CORPUS, Joey, Michael Avon Indiana 46123 (US) NEFF, Jerrine, Louise Williamsville New York 14221 (US) LANE, Jonathan, A. Snyder New York 14226 (US) (74) Representative: Schwan - Schwan - Schorer  Patentanwälte Bauerstrasse 22 80796 München 80796 München (DE)