发明名称 |
Positive electrode active material, positive electrode using the same and non-aqueous electrolyte secondary battery |
摘要 |
A positive electrode active material includes: a complex oxide particle containing at least lithium and one or plural transition metals; and a coating layer provided in at least a part of the complex oxide particle, wherein the coating layer contains at least one element M which is different from the principal transition metal constituting the complex oxide particle and which is selected among elements belonging to the Groups 2 to 13, and at least one element X selected among phosphorus (P), silicon (Si) and germanium (Ge), and the element M and the element X show different distribution from each other in the coating layer. |
申请公布号 |
EP2157639(A1) |
申请公布日期 |
2010.02.24 |
申请号 |
EP20090010008 |
申请日期 |
2009.08.03 |
申请人 |
SONY CORPORATION |
发明人 |
MORITA, KOJI;FUJIKI, SATOSHI;NAKAI, HIDEKI |
分类号 |
H01M4/36;H01M4/48;H01M4/485;H01M4/50;H01M4/505;H01M4/52;H01M4/525;H01M4/58;H01M10/0525 |
主分类号 |
H01M4/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|