Issue 61, 2022

Vanadium dissolution at 30 °C and its suppression at a low temperature of −20 °C for a Na3V1.5Cr0.5(PO4)3 cathode

Abstract

Na3V1.5Cr0.5(PO4)3 cycled at 30 °C shows fast capacity decay, due to the migration of V ions into the electrolyte and the loss of V3+/V4+ redox. A low temperature of −20 °C attenuates V-ion dissolution, retains V3+/V4+ redox and improves the electrochemical performance, favorable for use in cold climates and high-altitude drones.

Graphical abstract: Vanadium dissolution at 30 °C and its suppression at a low temperature of −20 °C for a Na3V1.5Cr0.5(PO4)3 cathode

Supplementary files

Article information

Article type
Communication
Submitted
12 5 2022
Accepted
01 7 2022
First published
04 7 2022

Chem. Commun., 2022,58, 8488-8491

Vanadium dissolution at 30 °C and its suppression at a low temperature of −20 °C for a Na3V1.5Cr0.5(PO4)3 cathode

Y. Liao, F. Geng, Y. Jiang, M. Shen and B. Hu, Chem. Commun., 2022, 58, 8488 DOI: 10.1039/D2CC02715A

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