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Updated: Mar 8, 2026

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Published on: August 2, 2012
Investigation of K3V2(PO4)3/C nanocomposites as high-potential cathode materials for potassium-ion batteries
Jin Han1, Guan-Nan Li2, Feng Liu1
1Institute for Clean Energy & Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing 400715, P. R. China. xumaowen@swu.edu.cn and 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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