(19)

(11)

EP 1 264 355 A1

(12)

(43) Date of publication: 11.12.2002 Bulletin 2002/50 (21) Application number: 01900354.0 (22) Date of filing: 19.01.2001

(51) International Patent Classification (IPC)7: H01M 2/02 (86) International application number: PCT/CH0100/042 (87) International publication number: WO 0105/7941 (09.08.2001 Gazette 2001/32)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 04.02.2000 US 497523 (71) Applicant: Alcan Technology & Management Ltd. 8212 Neuhausen am Rheinfall (CH)	(72) Inventors: MUGGLI, Olivier, Y. Louisville, KY 40245 (US) WITTEMER, Joseph Louisville, KY 40299 (US)