| 发明名称 | Active material for secondary battery | ||
| 摘要 | An active material for a secondary battery whose lifetime characteristics are improved is provided. The active material for a secondary battery includes a first active material represented by Lip[M1mM22-m-nM3n]O4, wherein M1 is at least one selected from Ni, Cr, Fe, Co, and Cu; M2 is at least one selected from Mn, Ti, and Si, and contains Mn; M3 is at least one selected from Li, B, Mg, Al, Na, and Ca; and 0≦p, 0<m, 0<n, and m+n<2; and a second active material represented by Liq[LiaXxZzMn1-a-x-z]O2, wherein X is at least one selected from Ni, Cr, Fe, Co, and Cu; Z is at least one selected from Al, Mg, B, Si, Na, Ca, and Ti; and 0≦q, 0<a, 0<x, 0≦z, and a+x+z<1. | ||
| 申请公布号 | US9356284(B2) | 申请公布日期 | 2016.05.31 |
| 申请号 | US201214130056 | 申请日期 | 2012.06.15 |
| 申请人 | NEC Corporation | 发明人 | Noguchi Takehiro;Sasaki Hideaki;Uehara Makiko;Katou Yuukou |
| 分类号 | H01M4/485;H01M4/36;H01M4/505;H01M4/525;H01M10/0525 | 主分类号 | H01M4/485 |
| 代理机构 | Finnegan, Henderson, Farabow, Garrett & Dunner LLP | 代理人 | Finnegan, Henderson, Farabow, Garrett & Dunner LLP |
| 主权项 | 1. An active material for a secondary battery comprising: a first active material represented by the following formula (I) Lip[M1mM22-m-nM3n]O4 (I) wherein, M1 is at least one selected from the group consisting of Ni, Cr, Fe, Co, and Cu; M2 is at least one selected from the group consisting of Mn, Ti, and Si, and comprises at least Mn; M3 is at least one selected from the group consisting of Li, B, Al; and 0≦p, 0<m, 0<n, and m+n<2; and a second active material represented by the following formula (II) Liq[LiaXxZzMn1-a-x-z]O2 (II) wherein, X is at least one selected from the group consisting of Ni, Cr, Fe, Co, and Cu; Z is at least one selected from the group consisting of Al, Mg, B, Si, Na, Ca, and Ti; and 0≦q, 0<a, 0<x, 0<z<0.3, and a+x+z<1. | ||
| 地址 | Tokyo JP | ||