DataVXCarbon EnergyPaper
journal article·2026-04Open access

Back Cover Image, Volume 8, Number 4, April 2026

Minghuang Li, Xiaowei Wang, Yutong Nong, Xinglong Liang, Cheng Peng, Jingyi Zhang, Weijie Ji, Guorui He, Zaowen Zhao, Yi Zhao, Lei Zhang, Jiafeng Zhang, Bao Zhang, Xiaoming Yuan, Lei Dong, Jian‐Min Feng, Ruirui Zhao, Ji Liang

Carbon Energy· Volume 8· Issue 4
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Source abstract

Abstract

Back cover image: Layered O3-phase cathode materials are a powerful aid for sodium-ion batteries to replace lithium-ion batteries, but have hinder their application by poor air and structure stability. In article number CEY270115, Li at al. precise regulate a radial gradient distribution of sodium content, phase structure, and transition metal valence of P/O cathode through precursor-based secondary heterogeneous coprecipitation and solid3-state sintering. this radially continuous P2/O3–O composite constructs a strong oxide impedance layer to suppress Na+/H+ exchange reactions and acid erosion under conditions of 82% humidity and 3330 ppm CO2 concentration to maintain material structural stability and prevent blockage of sodium-ion transport channels. Meanwhile, this radial gradient distribution design effectively mitigate lattice distortions, optimize sodium ion transport of the materials. This approach reveals the transition mechanisms between different hierarchical phases.
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Research context

Energy storageCeramics & glassesComposites

OpenAlex topics: Diverse Scientific and Economic Studies · Earthquake and Disaster Impact Studies · Fetal and Pediatric Neurological Disorders

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Affiliations

National Engineering Laboratory for High Efficiency Recovery of Refractory Nonferrous Metals, School of Metallurgy and Environment Central South University Changsha China

Special Glass Key Lab of Hainan Province, School of Materials Science and Engineering Hainan University Haikou China

Hunan Key Laboratory of Nanophotonics and Devices, School of Physics and Electronics Central South University Changsha China

College of Physics and Materials Science Tianjin Normal University Tianjin China

School of Chemistry South China Normal University Guangzhou China

Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering Tianjin University Tianjin China

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