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Issue 92, 2019
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In situ carbon coated flower-like VPO4 as an anode material for potassium-ion batteries

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Abstract

Here we design a novel carbon coating method for phosphate-based VPO4 with three different morphologies, via the intercalation of isobutanol to layered VOPO4·2H2O combined with thermal reduction. The well-constructed flower-like VPO4 delivers a high reversible capacity of 400 mA h g−1 with a long cycle-life of more than 500 cycles, proving that the special structure is suitable to accommodate the large volume expansion during the electrochemical charge–discharge process.

Graphical abstract: In situ carbon coated flower-like VPO4 as an anode material for potassium-ion batteries

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Publication details

The article was received on 06 Sep 2019, accepted on 28 Oct 2019 and first published on 29 Oct 2019


Article type: Communication
DOI: 10.1039/C9CC06948H
Chem. Commun., 2019,55, 13916-13919

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    In situ carbon coated flower-like VPO4 as an anode material for potassium-ion batteries

    J. Liao, Q. Hu, J. Mu, X. He, S. Wang, D. Jiemin and C. Chen, Chem. Commun., 2019, 55, 13916
    DOI: 10.1039/C9CC06948H

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