| 发明名称 | Positive electrode material for a lithium-ion accumulator | ||
| 摘要 | A compound of formula Lia+y(M1(1−t)Mot)2M2b(O1−xF2x)c ;wherein:;M1 is selected from the group consisting in Ni, Mn, Co, Fe, V or a mixture thereof;M2 is selected from the group consisting in B, Al, Si, P, Ti, Mo;with4≦a≦6;0<b≦1.8;3.8≦c≦14;0≦x<1;−0.5≦y≦0.5;0≦t≦0.9;b/a<0.45;the coefficient c satisfying one of the following relationships:c=4+y/2+z+2t+1.5b if M2 is selected from B and Al;c=4+y/2+z+2t+2b if M2 is selected from Si, Ti and Mo;c=4+y/2+z+2t+2.5b if M2 is P;with z=0 if M1 is selected from Ni, Mn, Co, Fe and z=1 if M1 is V. | ||
| 申请公布号 | US9214673(B2) | 申请公布日期 | 2015.12.15 |
| 申请号 | US201213414413 | 申请日期 | 2012.03.07 |
| 申请人 | SAFT;UMICORE | 发明人 | Caillon Georges;Levasseur Stephane;Hezeque Thlerry;Jordy Christian;Kosova Nina V.;Devyatkina Evgeniya T. |
| 分类号 | H01M4/38;C01G23/00;C01G45/12;C01G53/00;H01M4/131;H01M4/1315;H01M4/133;H01M4/134;H01M4/1391;H01M4/13915;H01M4/485;H01M4/505;H01M4/52;H01M4/525;H01M4/587;H01M4/62;H01M10/0525;H01M4/02 | 主分类号 | H01M4/38 |
| 代理机构 | Sughrue Mion, PLLC | 代理人 | Sughrue Mion, PLLC |
| 主权项 | 1. A compound of formula Lia+y(M1(1−t)Mot)2M2b(O1−xF2x)c wherein: M1 is selected from the group consisting in Ni, Mn, Co, Fe, V or a mixture thereof; M2 is selected from the group consisting in B, Al, Si, P, Ti and Mo; with 4≦a≦6; 0<b≦1.8; 3.8≦c≦14; 0≦x<1; −0.5≦y≦0.5; 0≦t≦0.9; b/a<0.45; the coefficient c satisfying one of the following relationships: c=4+y/2+z+2t+1.5b if M2 is selected from B and Al; c=4+y/2+z+2t+2b if M2 is selected from Si, Ti and Mo; c=4+y/2+z+2t+2.5b if M2 is P; with z=0 if M1 is selected from Ni, Mn, Co and Fe; and z=1 if M1 is V, wherein the compound comprises at least one crystalline phase in which the interplanar spacing dhkl is greater than 0.015 Å. | ||
| 地址 | Bagnolet FR | ||