Chemical-Mechanical Robustness of Single-Crystalline Ni-Rich Cathode Enabled by Surface Atomic Arrangement Control,Angewandte Chemie International Edition

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Chemical-Mechanical Robustness of Single-Crystalline Ni-Rich Cathode Enabled by Surface Atomic Arrangement Control
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2023-04-01 , DOI: 10.1002/anie.202302170
Xin-Hai Meng _{1,

2} , Xu-Dong Zhang ₁ , Hang Sheng ₁ , Min Fan ₁ , Ting Lin _{2,

3} , Dongdong Xiao ₃ , Jianxin Tian _{1,

2} , Rui Wen _{1,

2} , Wen-Zhe Liu _{1,

2} , Ji-Lei Shi _{1,

2} , Li-Jun Wan _{1,

2} , Yu-Guo Guo _{1,

2}

Affiliation

The critical effect of intrinsic surface composition and structure on the properties of single-crystalline Ni-rich layered oxides as cathode material for Li-ion batteries is demonstrated via control of the elemental-structural surface atomic arrangement. The concomitant concentration gradient and layered-spinel intertwined structure were thus constructed, enabling the chemical-mechanical robustness of Ni-rich cathodes in the electrochemical process.

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