Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HIGH OUTPUT LITHIUM SECONDARY BATTERY HAVING ENHANCED OUTPUT DENSITY CHARACTERISTIC
Document Type and Number:
WIPO Patent Application WO/2012/161477
Kind Code:
A3
Abstract:
The present invention relates to a high-output lithium secondary battery comprising: an anode, as a anode active material, having a first anode active material having a bed structure indicated by chemical formula 1, and a second anode active material having a spinel structure indicated by chemical formula 2, wherein the content of the second anode active material is 40-100 wt% of the total weight of the anode active material; a cathode, as a cathode active material, having a crystalline graphite with a specific surface area per capacity of 0.005-0.013 m2/mAh; and a separating film.

Inventors:
HAN CHANG JOO (KR)
HAN KYUNGHEE (KR)
PARK SU-MIN (KR)
LEE JIEUN (KR)
Application Number:
PCT/KR2012/003945
Publication Date:
January 24, 2013
Filing Date:
May 18, 2012
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LG CHEMICAL LTD (KR)
HAN CHANG JOO (KR)
HAN KYUNGHEE (KR)
PARK SU-MIN (KR)
LEE JIEUN (KR)
International Classes:
H01M4/525; B60L11/18; H01M2/16; H01M4/505; H01M10/052
Foreign References:
JP2007165111A2007-06-28
JP2007179765A2007-07-12
JP2011076997A2011-04-14
KR20030021112A2003-03-12
KR20040007356A2004-01-24
Other References:
See also references of EP 2688127A4
Attorney, Agent or Firm:
SOHN, Chang Kyu (Seongji Heights 2-cha Bldg.642-16, Yoksam 1-dong, Kangnam-gu, Seoul 135-910, KR)
Download PDF:
Claims: