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Issue 39, 2018
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Li3Cr(MoO4)3: a NASICON-type high specific capacity cathode material for lithium ion batteries

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Abstract

Molybdate cathode materials have attracted a lot of attention due to their rich crystal structure, stable skeleton structure and moderate electronic conductivity. In this paper, a new NASICON-type material Li3Cr(MoO4) 3 has been studied for the first time as a cathode material for lithium ion batteries with high specific capacity. Comprehensive studies by X-ray diffraction, UV-vis-IR diffuse reflection, bond valence sum maps calculation, cyclic voltammetry, electrochemical impedance spectroscopy and the Four-Probe method show that Li3Cr(MoO4)3 possesses a narrow band gap, high electronic conductivity and fast lithium ion transport channels, and delivers a high specific capacity (200 mA h gāˆ’1) and rate performance. Electrochemical mechanism studies indicate that both the Mo6+/5+ and Cr3+/Cr2+ reactions contribute to the high specific capacity.

Graphical abstract: Li3Cr(MoO4)3: a NASICON-type high specific capacity cathode material for lithium ion batteries

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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, 2018,6, 19107-19112
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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, 6, 19107
    DOI: 10.1039/C8TA07782G

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