Citation: Yuncai Chen, Maolin Yang, Liangtao Yang, Ziwei Chen, Huiyun Li, Haw Jiunn Woo, Shang-Sen Chi, Yinguo Xiao, Jun Wang, Chaoyang Wang, Yonghong Deng. Alkali and alkaline ions co-substitution of P2 sodium layered oxides for sodium ion batteries[J]. Chinese Journal of Structural Chemistry, ;2023, 42(5): 100028. doi: 10.1016/j.cjsc.2023.100028 shu

Alkali and alkaline ions co-substitution of P2 sodium layered oxides for sodium ion batteries

A P2-type Na0.67(Li0.5Mg0.5)0.1(Ni0.33Mn0.67)0.9O2 material is prepared, showing the synergistic effects of the enhancement of Na+ ion diffusion coefficient from Li substitution and the improvement of structural stability via Mg substitution, which exhibits an enhanced cycling performance with a reversible capacity of 127 mAh/g and a capacity retention of 75% over 100 cycles at 0.5 C.
- Sodium ions batteries,
- Sodium layered oxides,
- Alkali and alkaline elements co-substitution,
- Neutron diffraction,
- Structural evolution
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