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An ultra-high nickel cobalt-free cathode material toward high-energy and long-cycle stable Li-ion batteries: a single-crystal and surface high-entropy design strategy

Jianyao Ma, Xin Huang, Ruijian Huang, Yang Tang, Shengyi Huang, Yuhang Wang, Bin Huang, Jianwen Yang, Yanwei Li, Meng Qin, Shunhua Xiao

2025Journal of Materials Chemistry A14 citationsDOI

Abstract

We developed a Mg/Nb/Al co-doped single-crystal LiNi 0.9 Mn 0.1 O 2 with improved cycling stability. The high-entropy surface stabilizes oxygen, enhances phase transition reversibility, and builds a HF-resistant CEI.

Topics & Concepts

CobaltNickelMaterials scienceCathodeIonMetallurgyChemistryPhysical chemistryOrganic chemistryHigh Entropy Alloys StudiesSemiconductor materials and devicesAdvancements in Battery Materials
An ultra-high nickel cobalt-free cathode material toward high-energy and long-cycle stable Li-ion batteries: a single-crystal and surface high-entropy design strategy | Litcius