In situ epitaxial growth and electrochemical conversion of LiNi0.5Mn1.5O4 thin layer on Ni-rich cathode materials for high voltage lithium-ion batteries

• Published in: Nanoscale Vol. 15; no. 20; pp. 9187 - 9195
• Main Authors: Li, Cong, Liu, Chun, Liu, Honglei, Hu, Chengzhi, Wu, Yong, Li, Afei, Chen, Zhangxian, Yang, Zeheng, Zhang, Weixin
• Format: Journal Article
• Language: English
• Published: Cambridge Royal Society of Chemistry 25.05.2023
• Subjects: Cathodes; Crystal structure; Diffusion coating; Diffusion layers; Electrode materials; Electrolytic cells; Epitaxial growth; High voltages; Ion diffusion; Ion transport; Jahn-Teller effect; Lithium; Lithium-ion batteries; Oxygen; Rechargeable batteries

Ni-rich LiNixCoyMn1−x−yO2 (0.5 < x < 1) cathode materials have attracted considerable interest due to their high energy density and low cost. However, they are subject to capacity fading during cycling, such as structural degradation and irreversible oxygen release, especially under high volta...