(19)

(11)

EP 2 171 783 A1

(12)

(43) Date of publication: 07.04.2010 Bulletin 2010/14 (21) Application number: 08794491.4 (22) Date of filing: 14.07.2008

(51) International Patent Classification (IPC):  H01M 8/00(2006.01) (86) International application number: PCT/US2008/008623 (87) International publication number: WO 2009/011841 (22.01.2009 Gazette 2009/04)

(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: 13.07.2007 US 949802 P (71) Applicant: Ceramatec, Inc. Salt Lake City, UT 84119 (US)	(72) Inventors: JOSHI, Ashok Salt Lake City, Utah 84124 (US) BALAGOPAL, Shekar Sandy, Utah 84093 (US) (74) Representative: Harrison Goddard Foote  Belgrave Hall Belgrave Street Leeds LS2 8DD Leeds LS2 8DD (GB)