| 摘要 |
The present invention relates to a powderous electrode active material of lithium transition metal oxide LiaMbO2, wherein 0.9<a<1.1, 0.9<b<1.1 and M is dominantly transition metal chosen from Mn, Co and Nickel, having particles with a distribution of sizes, where the composition M varies with the size of the particles, and a preparation method thereof. The present invention also relates to an electrochemical cell, particularly rechargeable lithium battery, using the powderous electrode active material. |
