Title:
二次電池
Document Type and Number:
Japanese Patent JP4306697
Kind Code:
B2
Abstract:
A secondary battery having a cathode, an anode, and an electrolyte is provided. The cathode includes a cathode active material containing at least one kind selected from the group consisting of sulfur S and phosphorus P in a portion near the particle surface of a lithium composite oxide. A content of the kind in the portion is larger than that in the particle of the lithium composite oxide.
Inventors:
Masanori Soma
Kawashima Atsudo
Masayuki Ihara
Hideki Nakai
Kenichi Kawase
Kawashima Atsudo
Masayuki Ihara
Hideki Nakai
Kenichi Kawase
Application Number:
JP2006168090A
Publication Date:
August 05, 2009
Filing Date:
June 16, 2006
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H01M4/02; H01M4/131; H01M4/1315; H01M4/36; H01M4/38; H01M4/505; H01M4/525; H01M4/58; H01M4/62; H01M10/05; H01M10/052; H01M10/0525; H01M10/0569
Domestic Patent References:
| JP2005268017A | ||||
| JP2005243301A | ||||
| JP2003017061A | ||||
| JP2005038722A | ||||
| JP2003272704A | ||||
| JP2003123755A | ||||
| JP9027345A | ||||
| JP2001143694A | ||||
| JP10134798A | ||||
| JP5234621A | ||||
| JP2000058070A |
Foreign References:
| WO2006025707A1 | ||||
| WO2005018027A1 |
Attorney, Agent or Firm:
Masatomo Sugiura