Enhancing Cyclic Stability of Co-Free High-Ni Layered Cathodes through MgO Surface Engineering

Ziting Zhou; Ruijie Luo; Chongyu Du; Chong-Hin Tam; Jie Zeng; Zhe Qian; Zhe Mei; Yue Gu; Cheng Zhang; Shuang-Fu Li; Ming-Xuan Yang; Hang Wang; Huan Ni; Xiang Yin; Liu Na; Kai Wu; Yong-Ning Zhou

doi:10.1039/D5CC03625A

Enhancing Cyclic Stability of Co-Free High-Ni Layered Cathodes through MgO Surface Engineering

Ziting Zhou, Ruijie Luo, Chongyu Du, Chong-Hin Tam, Jie Zeng, Zhe Qian, Zhe Mei, Yue Gu, Cheng Zhang, Shuang-Fu Li, Ming-Xuan Yang, Hang Wang, Huan Ni, Xiang Yin, Liu Na, Kai Wu and Yong-Ning Zhou

Abstract

A magnesium oxide (MgO) coating strategy is proposed for improving cobalt-free high-nickel LiNi0.9Mn0.1O2 cathode. It is revealed that MgO coating can stabilize reversible Ni3+/Ni4+ redox and suppress structural degradation. The MgO coated LiNi0.9Mn0.1O2 exhibits a promising capacity retention of 66.67% after 1000 cycles at 1C rate in a wide voltage range of 2.8-4.4 V.

This article is part of the themed collection: Chemistry for a Sustainable World – Celebrating Our Community Tackling Global Challenges

Chemical Communications

Enhancing Cyclic Stability of Co-Free High-Ni Layered Cathodes through MgO Surface Engineering

Abstract

Supplementary files

Article information

Download Citation

Permissions

Enhancing Cyclic Stability of Co-Free High-Ni Layered Cathodes through MgO Surface Engineering

Social activity

Search articles by author

Spotlight

Advertisements