| 摘要 |
The present invention relates to a modified lithium ion battery anode material having high energy density, and a manufacturing process thereof, the anode material comprising, from inside to outside, a core, a transition layer and a shell layer. The anode material of the present invention has the advantages of high energy density, low surface activity, good storage performance, and a simple manufacturing process, and is suitable for large scale application. |
| 主权项 |
1. An anode material, wherein the anode material comprises a core, a transition layer, and a shell layer from inside to outside, wherein
the shell layer is Li1+xNi1−y−zCoyMnzO2, wherein −0.1≦x≦0.2, and 0.5≦y+z≦1; the transition layer is selected from the group consisting of: Al2O3, ZrO2, MgO, SiO2, ZnO2, TiO2, Y2O3, LiAlO2, Li2ZrO3, or combination thereof; the core is Li1+rNi1−s−tCosMntO2, wherein −0.1≦r≦0.2, and 0≦s+t≦0.5; the anode material further comprises a protective layer outside the shell layer while the protective layer is selected from the group consisting of: Al2O3, ZrO2, MgO, SiO2, ZnO2, Y2O3, LiAlO2, Li2ZrO3, or combination thereof. |
