Sol-Gel Driving LiFe(MoO4)2 Microcrystals: High Capacity and Superior Cycling Stability for Anode Material in Lithium Ion Batteries.

Authors :: Wang, Li
He, Yuanchuan
Mu, Yanlin
Wu, Bo
Liu, Mengjiao
Zhao, Yan
Lai, Xin
Bi, Jian
Gao, Daojiang
Source :: Electronic Materials Letters; Mar2019, Vol. 15 Issue 2, p186-191, 6p
Publication Year :: 2019
Abstract: Abstract: LiFe(MoO<subscript>4</subscript>)<subscript>2</subscript> microcrystals have been fabricated via a facile sol-gel driving process. The obtained LiFe(MoO<subscript>4</subscript>)<subscript>2</subscript> microcrystals are characterized through X-ray diffraction, thermal analysis, scanning electron microscope, transmission electron microscope and high resolution transmission electron microscope. The results demonstrate that the as-synthesized microcrystals possess triclinic structure and exhibit uniform particle size of 1-2 μm. When served as anode material for lithium ion batteries, LiFe(MoO<subscript>4</subscript>)<subscript>2</subscript> microcrystals display a very high specific capacity of 925 mAh g<superscript>−1</superscript> at a current rate of 1 C after 500 cycles and a high retention rate of 88%, showing superior electrochemical performance.Graphical Abstract: [ABSTRACT FROM AUTHOR]

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