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

页码：875 / 878

页数：4

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