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A scalable synthesis of 2D laminate Li3VO4/C for robust pseudocapacitive Li-ion storage

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Abstract

Li3VO4 is a new insertion type anode material with combined merits of high capacity and safety, demonstrating great potential in Li-ion batteries. However, its practical application is hindered by unscalable fabrication coupled with particular challenges in morphology regulation and unsatisfactory rate capability. Here, a 2D laminate Li3VO4/C anode is first constructed via a concise, low-cost, and environment-friendly biomass-aided approach. Li3VO4/C shows robust pseudocapacitive Li-ion storage, rendering high capacity and excellent rate capability. After 4 periodic rate performance testing from 0.1 to 2.0 A gāˆ’1 over 330 cycles, a high reversible capacity of 612.0 mA h gāˆ’1 can be reverted. The excellent performance of the 2D laminate Li3VO4/C and the scalable fabrication approach will advance the practical applications of Li3VO4.

Graphical abstract: A scalable synthesis of 2D laminate Li3VO4/C for robust pseudocapacitive Li-ion storage

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Supplementary files

Article information


Submitted
31 Jul 2020
Accepted
24 Sep 2020
First published
08 Oct 2020

J. Mater. Chem. A, 2020, Advance Article
Article type
Paper

A scalable synthesis of 2D laminate Li3VO4/C for robust pseudocapacitive Li-ion storage

S. Yang, D. Zhang, Z. Xu, J. Xu, J. Lu, J. Cao and S. Ni, J. Mater. Chem. A, 2020, Advance Article , DOI: 10.1039/D0TA07484E

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