Investigation of K3V2(PO4)3/C nanocomposites as high-potential cathode materials for potassium-ion batteries

Jin Han; Guan-Nan Li; Feng Liu; Minqiang Wang; Yan Zhang; Linyu Hu; Chunlong Dai; Maowen Xu

doi:10.1039/C6CC10065A

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Investigation of K₃V₂(PO₄)₃/C nanocomposites as high-potential cathode materials for potassium-ion batteries†

Jin Han,^ab Guan-Nan Li,^a Feng Liu,^ab Minqiang Wang,^ab Yan Zhang,^ab Linyu Hu,^ab Chunlong Dai^ab and Maowen Xu

*^ab

Author affiliations

* Corresponding authors

^a Institute for Clean Energy & Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing 400715, P. R. China
E-mail: xumaowen@swu.edu.cn

^b Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies, Chongqing 400715, P. R. China

Abstract

Novel K₃V₂(PO₄)₃ and three-dimensional conductive network K₃V₂(PO₄)₃/C nanocomposites are successfully fabricated and further evaluated as cathode materials for potassium-ion batteries for the first time. The K₃V₂(PO₄)₃/C nanocomposite exhibits a high-potential platform of 3.6–3.9 V and a good capacity retention of at least 100 cycles. This work may provide new insight into developing cathode materials for potassium-ion batteries.

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Article information

DOI: https://doi.org/10.1039/C6CC10065A
Article type: Communication
Submitted: 19 dec 2016
Accepted: 13 jan 2017
First published: 13 jan 2017

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Chem. Commun., 2017,53, 1805-1808

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Investigation of K₃V₂(PO₄)₃/C nanocomposites as high-potential cathode materials for potassium-ion batteries

J. Han, G. Li, F. Liu, M. Wang, Y. Zhang, L. Hu, C. Dai and M. Xu, Chem. Commun., 2017, 53, 1805 DOI: 10.1039/C6CC10065A

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