Navigating low state of charge phase transitions in layered cathodes for long-life sodium-ion batteries

Authors: Wenda Li, Zhaoyue Li, Lizhi Li, Alice J. Merryweather, Yilin Chen, Shaoyu Yang, Hao Shi, Yang Lu, Yixiao Qiu, Guangsu Tan, Zhipeng Chen, Weiwei Wang, Yuzhu Wang, Yi-Fan Huang, Zhengyan Lun, Christoph Schnedermann, Xiangwen Gao, Jingyang Wang, Clare P. Grey, Chao Xu

Published: 2025-05-14

DOI: 10.1039/d5ee00422e

Source: Full article

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Abstract

Sodium-ion batteries (SIBs) offer a sustainable alternative to lithium-ion batteries but face cathode instability. This work emphasizes the low state of charge phase transition and shows improved cycling performance via calcium substitution.