Title:
出力特性が向上した混合正極活物質及びこれを含むリチウム二次電池
Document Type and Number:
Japanese Patent JP2014505975
Kind Code:
A
Abstract:
The present invention relates to a mixed positive electrode active material and to a lithium secondary battery comprising the same, wherein the mixed positive electrode active material comprises lithium manganese oxide expressed by the following chemical formula 1 and Li 4 Mn 5 O 12 having a stoicheiometric spinel structure with a flat level voltage profile in the range of 2.5 V to 3.3V. [chemical formula 1] xLi 2 MnO 3 · (1-x)LiMO 2 , wherein 0
Inventors:
Park, Yun, Hwang
Oh, Son, Tech
Chun, Gun, Chang
Kim, Su, Hwan
Juichi Arai
Oh, Son, Tech
Chun, Gun, Chang
Kim, Su, Hwan
Juichi Arai
Application Number:
JP2013548370A
Publication Date:
March 06, 2014
Filing Date:
February 09, 2012
Export Citation:
Assignee:
LG HAUSYS,LTD.
International Classes:
H01M4/505; H01M4/36; H01M4/485; H01M4/525; H01M4/62; H01M10/052
Domestic Patent References:
| JP2012084257A | 2012-04-26 | |||
| JP2000243449A | 2000-09-08 | |||
| JP2004095399A | 2004-03-25 | |||
| JP2008511960A | 2008-04-17 |
Other References:
JPN6014029792; Ｊ．Ｇａｏ，Ａ．Ｍａｎｔｈｉｒａｍ: 'Ｅｌｉｍｉｎａｔｉｎｇ ｔｈｅ ｉｒｒｅｖｅｒｓｉｂｌｅ ｃａｐａｃｉｔｙ ｌｏｓｓ ｏｆ ｈｉｇｈ ｃａｐａｃｉｔｙ ｌａｙｅｒｅｄ Ｌｉ［Ｌｉ０．２Ｍｎ０．５４Ｎｉ０．１３Ｃｏ０．１３］Ｏ２ ｃａ' Ｊｏｕｒｎａｌ ｏｆ Ｐｏｗｅｒ Ｓｏｕｒｃｅｓ Ｖｏｌ．１９１ Ｎｏ．２, 20090615, ｐ．６４４-６４７
Attorney, Agent or Firm:
Hirohito Katsunuma
Takeshi Katata
Takeshi Katata