| 发明名称 | Lithium silicate-based compound, positive electrode active material for lithium ion secondary battery, and lithium ion secondary battery using the same | ||
| 摘要 | Provided is a novel lithium silicate-based material useful as a positive electrode material for lithium ion secondary battery.;The lithium silicate-based compound is represented by Li1.5FeSiO4.25. The lithium silicate-based compound is a compound including: lithium (Li); iron (Fe); silicon (Si); and oxygen (O), and expressed by a composition formula, Li1+2δFeSiO4+δ−c (−0.25≦δ≦0.25, 0≦c≦0.5). The lithium silicate-based compound, of which iron (Fe) is trivalent, exerts a remarkable chemical stability as compared to Li2FeSiO4. | ||
| 申请公布号 | US9330805(B2) | 申请公布日期 | 2016.05.03 |
| 申请号 | US201214351714 | 申请日期 | 2012.07.26 |
| 申请人 | KABUSHIKI KAISHA TOYOTA JIDOSHOKKI;NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY | 发明人 | Kojima Akira;Kojima Toshikatsu;Tabuchi Mitsuharu;Sakai Tetsuo;Morishita Masanori;Miyuki Takuhiro;Niwa Junichi;Nakanishi Masataka;Sato Yuya;Kawasumi Kazuhito;Murase Masakazu |
| 分类号 | H01B1/06;C01B33/20;C01B33/32;H01M4/58;H01M4/62;H01M4/136;H01M10/0525 | 主分类号 | H01B1/06 |
| 代理机构 | Sughrue Mion, PLLC | 代理人 | Sughrue Mion, PLLC |
| 主权项 | 1. A lithium silicate-based compound, comprising: lithium (Li); iron (Fe); silicon (Si); and oxygen (O), and expressed by a composition formula, Li1.5FeSiO4.25, wherein the lithium silicate-based compound is a monoclinic crystal that belongs to space group P21/n. | ||
| 地址 | Aichi JP | ||