(19)

(11)

EP 1 230 654 A1

(12)

(43) Date of publication: 14.08.2002 Bulletin 2002/33 (21) Application number: 00980465.9 (22) Date of filing: 16.11.2000

(51) International Patent Classification (IPC)7: H01G 9/00, H01G 9/02, H01M 6/04 (86) International application number: PCT/US0031/588 (87) International publication number: WO 0137/295 (25.05.2001 Gazette 2001/21)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 16.11.1999 US 165865 P (71) Applicant: Powercell Corporation Burlington, MA 01803 (US)	(72) Inventor: FAUTEUX, Denis, G. Acton, MA 01720 (US) (74) Representative: Ostertag, Reinhard  PatentanwälteDr. Ulrich OstertagDr. Reinhard OstertagEibenweg 10 70597 Stuttgart 70597 Stuttgart (DE)