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Li3Cr(MoO4)3: A NASICON-type High Specific Capacity Cathode Material for Lithium Ion Batteries

Abstract

Molybdate cathode materials have attracted lots of attentions for their rich crystal structure, stable skeleton structure and moderate electronic conductivity. In this paper, a new NASICON-type Li3Cr(MoO4) 3 has been studied for the first time as a cathode material for lithium ion batteries with high specific capacity. The comprehensive studies by X-ray diffraction, UV-vis-IR diffuse reflection, Bond-Valence-Sum maps calculation, cyclic voltammetry, electrochemical impedance spectroscopy and Four-Probe method show that Li3Cr(MoO4)3 possesses narrow band gap, high electronic conductivity and fast lithium ion transport channels, and deliveres high specific capacities (200 mAhg-1) and rate performances. The electrochemical mechanism studies indicates that both the Mo6+/5+ and Cr3+/Cr2+ reactions contributed to the high specific capacity.

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Publication details

The article was received on 11 Aug 2018, accepted on 13 Sep 2018 and first published on 14 Sep 2018


Article type: Paper
DOI: 10.1039/C8TA07782G
Citation: J. Mater. Chem. A, 2018, Accepted Manuscript
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    Li3Cr(MoO4)3: A NASICON-type High Specific Capacity Cathode Material for Lithium Ion Batteries

    K. Feng, F. Wang, H. zhang, X. Li and H. Zhang, J. Mater. Chem. A, 2018, Accepted Manuscript , DOI: 10.1039/C8TA07782G

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