Topotactic phase transformation of lithiated spinel to layered LiMn 0.5 Ni 0.5 O 2 : the interaction of 3-D and 2-D Li-ion diffusion

作者：Boyu Shi, Jihyeon Gim, Tianyi Li, Krishna Prasad Koirala, Chongmin Wang, Dewen Hou, Yuzi Liu, Jacob Jorné, Jason R. Croy, Michael M. Thackeray, Eungje Lee · 发表于：Journal of Materials Chemistry A · 年份：2024 · DOI：10.1039/d4ta06238h · 被引用次数：5 · 研究领域：Advancements in Battery Materials、Ferroelectric and Piezoelectric Materials、Extraction and Separation Processes

Newly discovered cubic Li-excess spinel (LxS) structured LiMn 0.5 Ni 0.5 O 2 cathode shows unique temperature-dependent topotactic phase transformation between 400–900 °C, affecting Li ion diffusion pathways and electrochemical performance.