发明名称 |
Positive active material, and positive electrode and lithium battery including positive active material |
摘要 |
A positive active material includes first and second lithium nickel complex oxides. A positive electrode and lithium battery include the positive active material. The positive active material, and the lithium battery including the positive active material have increased filling density, are thermally stable, and have improved capacity. |
申请公布号 |
US8871113(B2) |
申请公布日期 |
2014.10.28 |
申请号 |
US201113043304 |
申请日期 |
2011.03.08 |
申请人 |
Samsung SDI Co., Ltd. |
发明人 |
Kim Min-Han;Park Do-Hyung;Kim Ji-Hyun;Lee Jeong-Seop;Kim Chang-Hyuk;Kwon Seon-Young;Kim Yoon-Chang |
分类号 |
H01M4/88;C01G53/00;H01M4/525;H01M10/0525;H01M4/36;C01G51/00;H01M4/02;H01M4/131 |
主分类号 |
H01M4/88 |
代理机构 |
Christie, Parker & Hale, LLP |
代理人 |
Christie, Parker & Hale, LLP |
主权项 |
1. A positive active material for a lithium battery, the positive active material comprising:
a first lithium nickel complex oxide having a particle volume distribution of 3.0 μm≦D25≦10.0 μm, 5.0 μm≦D50≦20.0 μm, and 10.0 μm≦D75≦25.0 μm, and a second lithium nickel complex oxide having a particle volume distribution of 0.01 μm≦D25≦5.0 μm, 1.0 μm≦D50≦10.0 μm, and 5.0 μm≦D75≦15.0 μm. |
地址 |
Yongin-si KR |