(19)
(11) EP 2 266 157 A1

(12)

(43) Date of publication:
29.12.2010 Bulletin 2010/52

(21) Application number: 08873866.1

(22) Date of filing: 19.12.2008
(51) International Patent Classification (IPC): 
H01M 4/36(2006.01)
(86) International application number:
PCT/KR2008/007549
(87) International publication number:
WO 2009/125909 (15.10.2009 Gazette 2009/42)
(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: 10.04.2008 KR 20080033166

(71) Applicant: Ls Mtron Ltd.
Dongan-gu Anyang-city Gyeonggi-do 431-080 (KR)

(72) Inventors:
  • YOUM, Chul
    Suwon-si Gyeonggi-do 440-824 (KR)
  • OH, Jeong-Hun
    Anyang-si Gyeonggi-do 431-726 (KR)
  • KIM, Jong-Sung
    Seoul 152-765 (KR)
  • HAN, Kyung-Hee
    Seongnam-si Gyeonggi-do 462-120 (KR)
  • HAN, Jeong-Min
    Gimpo-si Gyeonggi-do 415-702 (KR)

(74) Representative: Boden, Keith McMurray et al
Fry Heath & Spence LLP The Gables Massetts Road
Horley Surrey RH6 7DQ
Horley Surrey RH6 7DQ (GB)

   


(54) NEGATIVE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND ELECTRODE AND SECONDARY BATTERY INCLUDING THE SAME