(19)
(11) EP 2 973 801 A1

(12)

(43) Date of publication:
20.01.2016 Bulletin 2016/03

(21) Application number: 13879049.8

(22) Date of filing: 15.03.2013
(51) International Patent Classification (IPC): 
H01M 4/525(2010.01)
H01M 10/0525(2010.01)
(86) International application number:
PCT/US2013/031996
(87) International publication number:
WO 2014/149020 (25.09.2014 Gazette 2014/39)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(71) Applicant: Ovonic Battery Company, Inc.
Rochester Hills, MI 48309 (US)

(72) Inventors:
  • REICHMAN, Benjamin
    West Bloomfield, MI 48323 (US)
  • MAYS, William
    Commerce, MI 48382 (US)
  • WONG, Diana
    Sterling Heights, MI 48310 (US)

(74) Representative: Vigand, Philippe et al
Novagraaf International SA 3 chemin de l'Echo
1213 Onex Geneva
1213 Onex Geneva (CH)

   


(54) COMPOSITE CATHODE MATERIALS HAVING IMPROVED CYCLE LIFE