Regulation of Local Chemistry in O3-type Layered Oxide Cathodes for Practical Sodium-Ion Batteries

Tongtong Huo; Qian Yang; G. Yu; Mingyue Li; Xuejie Bai; Ting Lv; Xiaobo Zhang; Jie Xu; Kai Liu; Xunzhu Zhou; xin tan; Lin Li; Kaixiang Lei; Shijian Zheng

doi:10.1039/d6sc01783e

January 1, 2026Chemical ScienceOpen Access

Regulation of Local Chemistry in O3-type Layered Oxide Cathodes for Practical Sodium-Ion Batteries

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Key Points

The aim is to understand how local chemistry impacts the performance of O3-type layered oxide cathodes in sodium-ion batteries.
Analyzed chemical compositions of O3-type layered oxides
Conducted experiments to assess phase stability
Measuring specific capacity under various conditions
Identified phase transitions that reduce capacity
Observed O2 release during cycling affects performance
Proposed strategies to stabilize local chemistry

Implication

This research uncovers local chemistry effects on cathode performance in sodium-ion batteries, suggesting improvements for efficiency.

Abstract

O3-type layered oxide cathodes have emerged as promising candidates for advanced sodium-ion batteries (SIBs) due to their high theoretical specific capacity. However, undesirable phase transitions, irreversible O2 release, and transition...

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Cite This Study

Huo et al. (2026) studied this question.

synapsesocial.com/papers/69df2abce4eeef8a2a6afc90 https://doi.org/10.1039/d6sc01783e

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Regulation of Local Chemistry in O3-type Layered Oxide Cathodes for Practical Sodium-Ion Batteries

Key Points

Implication

Abstract

Discussion

Cite This Study

Regulation of Local Chemistry in O3-type Layered Oxide Cathodes for Practical Sodium-Ion Batteries

Key Points

Implication

Abstract

Discussion

Cite This Study

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