Synthesis and electrochemical properties of CeVO4/Fe3O4as a novel anode material for lithium-ion batteries

被引：11
作者：
Yang, Xiaoqing [1 ,2 ]
Wu, Huimin [1 ,2 ]
Wang, Shiquan [1 ,2 ]
Cheng, Fangyi [3 ]
Feng, Chuanqi [1 ,2 ]
Liu, Kuakun [4 ]
机构：
[1] Hubei Univ, Hubei Collaborat Innovat Ctr Adv Organ Chem Mat, Wuhan 430062, Peoples R China
[2] Hubei Univ, Minist Educ, Key Lab Synth & Applicat Organ Funct Mol, Wuhan 430062, Peoples R China
[3] Nankai Univ, Key Lab Adv Energy Mat Chem, Minist Educ, Tianjin 300071, Peoples R China
[4] Univ Wollongong, Inst Superconducting & Elect Mat, Wollongong, NSW 2522, Australia
来源：
IONICS | 2020年 / 26卷 / 10期
关键词：
Inorganic compounds; Anode material; Lithium-ion battery; Electrochemical properties; Chemical synthesis; HIGH-PERFORMANCE ANODE; CERIUM VANADATE; MICROSPHERES; FABRICATION; CARBON; COMPOSITES; HYBRID;
D O I：
10.1007/s11581-020-03595-5
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The CeVO4/Fe(3)O(4)compound is successfully obtained by combining hydrothermal treatment and water bath process. The final product has been characterized by X-ray diffraction, scanning electron microscopy, and X-ray photoelectron spectroscopy techniques. The electrochemical properties of the expected compound were tested by a battery test system. The obtained CeVO4/Fe(3)O(4)composite shows higher specific capacity and better cyclability than pure CeVO(4)prepared under the same conditions. The initial discharge specific capacities of CeVO(4)and CeVO4/Fe(3)O(4)are 671.7 and 964.0 mAh center dot g(-1), respectively. After 100 cycles, CeVO(4)and CeVO4/Fe(3)O(4)still maintained their discharge capacities at 416.4 and 875.9 mAh center dot g(-1), representing capacity retention rates of 62.0% and 91.0%, respectively. The possible reaction mechanism for the CeVO4/Fe(3)O(4)composite is also discussed. The CeVO4/Fe(3)O(4)composite may be a prospective anode material for the lithium-ion battery.
引用
收藏
页码：4859 / 4867
页数：9
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