(19)
(11) EP 1 327 273 A2

(12)

(88) Date of publication A3:
12.12.2002

(43) Date of publication:
16.07.2003 Bulletin 2003/29

(21) Application number: 01973572.9

(22) Date of filing: 27.09.2001
(51) International Patent Classification (IPC)7H01M 8/02
(86) International application number:
PCT/US0130/207
(87) International publication number:
WO 0202/7813 (04.04.2002 Gazette 2002/12)
(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: 27.09.2000 US 235872 P
27.09.2000 US 235629 P
27.09.2000 US 235871 P

(71) Applicant: Proton Energy Systems
Rocky Hill, CT 06067 (US)

(72) Inventors:
  • MOLTER, Trent, M.
    Glastonbury, CT 06033 (US)
  • MOULTHROP, Lawrence, C., Jr.
    Windsor, CT 06095 (US)
  • SHIEPE, Jason, K.
    Middletown, CT 06457 (US)
  • SPERANZA, A., John
    West Hartford, CT 06119 (US)
  • BYRON, Robert, H., Jr.
    Glastonbury, CT 06033 (US)

(74) Representative: Stenger, Watzke & RingPatentanwälte 
Kaiser-Friedrich-Ring 70
40547 Düsseldorf
40547 Düsseldorf (DE)

   


(54) APPARATUS AND METHOD FOR MAINTAINING COMPRESSION OF THE ACTIVE AREA IN AN ELECTROCHEMICAL CELL