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Issue 26, 2020
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VOPO4·2H2O as a new cathode material for rechargeable Ca-ion batteries

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Abstract

VOPO4·2H2O, as a new cathode material for Ca-ion batteries, exhibits a discharge capacity of 100.6 mA h g−1, excellent cycling stability (200 cycles) and good rate performance (42.7 mA h g−1 at 200 mA g−1). In situ X-ray diffraction and in situ Raman results demonstrate the calcium-ion-storage mechanism of VOPO4·2H2O is a single-phase reaction based on asymmetric Ca2+ insertion and deinsertion.

Graphical abstract: VOPO4·2H2O as a new cathode material for rechargeable Ca-ion batteries

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Article information


Submitted
30 Jan 2020
Accepted
22 Feb 2020
First published
24 Feb 2020

Chem. Commun., 2020,56, 3805-3808
Article type
Communication

VOPO4·2H2O as a new cathode material for rechargeable Ca-ion batteries

J. Wang, S. Tan, F. Xiong, R. Yu, P. Wu, L. Cui and Q. An, Chem. Commun., 2020, 56, 3805
DOI: 10.1039/D0CC00772B

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