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

页码：4859 / 4867

页数：9

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