DataVXCarbon EnergyPaper
journal article·2025-02Open access

Cover Image, Volume 7, Number 2, February 2025

Changding Wang, Yingfang Li, Sida Zhang, Tian‐Yi Sang, Yu Lei, Ruiqi Liu, Fu Wan, Yuejiao Chen, Weigen Chen, Yujie Zheng, Shuhui Sun

Carbon Energy· Volume 7· Issue 2
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Source abstract

Abstract

Front cover image: Layered vanadates are promising materials for energy storage, but they still face challenges such as slow reaction kinetics and poor structural stability. In article cey2.647, Wang et al. synthesized [Me2NH2]V3O7 (MNVO) using a hydrothermal method. This layered vanadate features expended layer spacing and enhanced pH resistance. Both experimental and theoretical analyses reveal that the interlayer ionic and hydrogen bonding interactions, along with synergies from oxygen vacancy, enhance electronic conductivity and reduce the ion diffusion energy barrier. These improvements boost the material's capacity for H+/Zn2+ co-insertion in energy storage. As a result, aqueous zinc-ion batteries with MNVO as the cathode demonstrate high capacity and excellent cycling stability in acidic electrolytes.
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Research context

Energy storage

OpenAlex topics: Advanced battery technologies research · Advancements in Battery Materials · Electrocatalysts for Energy Conversion

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Affiliations

State Key Laboratory of Power Transmission Equipment Technology, School of Electrical Engineering, National Innovation Center for Industry‐Education Integration of Energy Storage Technology Chongqing University Chongqing China

Institute National de la Recherche Scientifique (INRS) Centre Énergie Matériaux Télécommunications Varennes Québec Canada

MOE Key Laboratory of Low‐grade Energy Utilization Technologies and Systems, CQU‐NUS Renewable Energy Materials & Devices Joint Laboratory, School of Energy & Power Engineering Chongqing University Chongqing China

State Key Laboratory of Powder Metallurgy Central South University Changsha China

References

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