Investigation on the redox behavior of rutile-type Ti1-xVxO2

被引：1
|
作者：
Yokoshima, K [1 ]
Sugimoto, W [1 ]
Murakami, Y [1 ]
Takasu, Y [1 ]
机构：
[1] Shinshu Univ, Fac Text Sci & Technol, Dept Fine Mat Engn, Ueda, Nagano 3868567, Japan
来源：
ELECTROCHEMISTRY | 2005年 / 73卷 / 12期
关键词：
electrochemical capacitor; supercapacitor; rutile; sol-gel;
D O I：
10.5796/electrochemistry.73.1026
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Ti1-xVxO2 was prepared by a sol-gel method. The structure, composition, surface area, and specific capacitance (mu F cm(-2)) was characterized by X-ray diffraction, field-emission scanning electron microscopy, energy dispersive X-ray analysis, N-2 adsorption/desorption measurements, and cyclic voltammetry. These analyses suggested that high specific capacitance could be attained with rutile type Ti1-xVxO2 with high vanadium content. A maximum specific capacitance of 330 mu F cm(-2) at 1 mV s(-1) was achieved, which is almost 1.5 times larger than that of nanocrystalline ruthenium oxide.
引用
收藏
页码：1026 / 1029
页数：4
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