Sol-gel synthesis and electrochemical properties of CuV2O6 cathode material

被引：35
|
作者：
Cao Jun-qi [1 ]
Wang Xian-you [1 ]
Tang Anping [1 ]
Wang Xin [1 ]
Wang Ying [2 ]
Wu Wen [1 ]
机构：
[1] Xiangtan Univ, Key Lab Environm Friendly Chem & Applicat Ministe, Sch Chem, Xiangtan 411105, Hunan, Peoples R China
[2] Wuhan Inst Technol, Sch Chem Engn & Pharm, Wuhan 430070, Hubei, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 479卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
CuV2O6; Lithium ion battery; Sol-gel method; Copper-vanadium-oxides; Cathode material; LITHIUM INSERTION; BATTERIES; INTERCALATION; VANADATES; OXIDES;
D O I：
10.1016/j.jallcom.2009.01.095
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 CuV2O6 cathode material was successfully synthesized using the NH4VO3 and the alkaline copper carbonate (CuCO3 center dot Cu(OH)(2)center dot xH(2)O, malachite) as the starting reagents by a citrate sol-gel route. The structures and electrochemical properties of CuV2O6 synthesized at different temperature were characterized by X-ray diffraction (XRD), thermogravimetry/differential thermogravimetry (TG/DTG), scanning electron microscopy (SEM) and electrochemical measurements. The results showed that the sample prepared at 550 degrees C had small particle size, and thus revealed higher initial discharge capacity (403 mAh g(-1)) and better cycle performance than that prepared by the conventional solid-state method. (c) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：875 / 878
页数：4
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