| 摘要 |
The invention discloses a lithium rechargeable positive electrode for electrochemical generator containing an electrochemically active material of general formula: Lix My Am Dz Ot with: 0,8 </= x </= 1.2; 0 < z </= 0.3; 1.8 </= t </= 4.2; (0.8 - m - z) </= y </= (2.2 - m - z); 0 < m </= 0.3 where M is at least one transition metal selected among nickel, cobalt, manganese and iron, A is an element selected between magnesium and calcium, and D, different from M, is at least one element selected among the elements of groups 4b to 5a of the periodic system. |
