Engineering hydrolytic stability and reversible O3/P3/OP2 transitions in O3-type sodium-ion battery cathodes through Cu 2+ doping

Journal of Materials Chemistry A 2026 Open access

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Authors: Sang Hyuk Gong, Hyeongwoo Kim, Min Kyung Cho, Hyojun Lim, Hyun Beom Kang, Jae-Ho Park, Sung-Chul Kim, Elang Barruna, Kyung Yoon Chung, Wonyoung Chang, Wonchang Choi, Hyung-Seok Kim
DOI: 10.1039/d5ta10289h
Cited by: 2
References: 44

Abstract

Cu doping enhances the hydrolytic stability of O3-type cathodes by suppressing Na + /H + exchange and surface degradation. It promotes Na + transport and reversible phase transitions, thereby improving electrochemical performance.

Fields of Study & Subjects

Advancements in Battery Materials Advanced Battery Technologies Research Magnesium Oxide Properties and Applications

Publication details

Journal / source
Journal of Materials Chemistry A
Publisher
Royal Society of Chemistry (RSC)
Volume
14
Issue
30
Pages
19401–19412
Publication date
1 January 2026
Language
EN