Nickel Oxide/Carbon Nanotubes Nanocomposite for Electrochemical Capacitance

材料科学技术（英文）, 2005, 21(3): 292-296.

^1, , ^2, , ^3,

1.College of Materials Science and Engineering, Hunan University, Changsha 410082, China

2.Department of Physics, Institute of Basic Science, and Center for Nanotubes and Nanostructured Composites CNNC, Sungkyunkwan University, Suwon 440-746, South Korea

3.Department of Physics, Institute of Basic Science, and Center for Nanotubes and Nanostructured Composites CNNC, Sungkyunkwan University, Suwon 440-746, South Korea

基金项目: 国家自然科学基金(50307009) the Ministry of Science and Technology of South Korea through National Research Lab Program

Nickel Oxide/Carbon Nanotubes Nanocomposite for Electrochemical Capacitance

Keywords： Nickel oxide

A nanocomposite of nickel oxide/carbon nanotubes was prepared through a simple chemical precipitation followed by thermal annealing. The electrochemical capacitance of this electrode material was studied. When the mass fraction of CNTs (carbon nanotubes) in NiO/CNT composites increases, the electrical resistivity of nanocomposites decreases and becomes similar to that of pure CNTs when it reaches 30%. The specific surface area of composites increases with increasing CNT mass fraction and the specific capacitance reaches 160 F/g under 10 mA/g discharge current density at CNT mass fraction of 10%.

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Nickel Oxide/Carbon Nanotubes Nanocomposite for Electrochemical Capacitance

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