Issue 18, 2024

Synergetic impact of high-entropy microdoping modification in Na3V2(PO4)3

Abstract

High entropy polyanionic Na3V1.9(Ca,Mg,Cr,Ti,Mn)0.1(PO4)3 was synthesized, which activated a reversible redox reaction of V4+/V5+ and reached a remarkable capacity of 116 mA h gāˆ’1 at 1C and maintained 90% capacity retention after 1000 cycles at 10C. Structure evolution and sodium storage mechanisms were revealed by an in situ XRD method, which disclosed the high-entropy effect of material design. Together with the full battery tests, these findings promote the wide applications of high-entropy polyanionic cathodes in SIBs.

Graphical abstract: Synergetic impact of high-entropy microdoping modification in Na3V2(PO4)3

Supplementary files

Article information

Article type
Communication
Submitted
03 Jan 2024
Accepted
01 Feb 2024
First published
02 Feb 2024

Chem. Commun., 2024,60, 2512-2515

Synergetic impact of high-entropy microdoping modification in Na3V2(PO4)3

Y. Kang, X. Lin, S. Tong, W. Zhu, Y. Wang, M. Jia and X. Zhang, Chem. Commun., 2024, 60, 2512 DOI: 10.1039/D4CC00033A

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