Study on Electrochemical Hydrogen Storage of Multi-Walled Carbon Nanotubes

Lei Xie; Xiao Qi Li

doi:10.4028/www.scientific.net/amr.26-28.831

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Study on Electrochemical Hydrogen Storage of Multi-Walled Carbon Nanotubes

Lei Xie Xiao Qi Li

Year: 2007 Journal: Advanced materials research Vol: 26-28 Pages: 831-834 Publisher: Trans Tech Publications

DOI: 10.4028/www.scientific.net/amr.26-28.831

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Abstract

The electrode(Ni-MWNTs) containing nickel(Ni) and multi-walled carbon nanotubes (MWNTs) was prepared by composite electrodeposit. Electrochemical hydrogen storage of the electrode was studied. The result showed a high electrochemical discharging capacity of up to 1361.1mA·h·g-1, which corresponds to a hydrogen storage capacity of 4.77Wt%(weight percent). Test of cyclic lifespan showed MWNTs had certain cyclic lifespan. Cyclic voltammetry tests showed that MWNTs can store hydrogen in chemical form.

Keywords:

Cyclic voltammetry Electrochemistry Carbon nanotube Hydrogen storage Materials science Electrode Composite number Hydrogen Nickel Chemical engineering Nanotechnology Composite material Metallurgy Chemistry Organic chemistry

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Supercapacitor Materials and Fabrication

Physical Sciences → Materials Science → Electronic, Optical and Magnetic Materials

Carbon Nanotubes in Composites

Physical Sciences → Materials Science → Materials Chemistry

Electrocatalysts for Energy Conversion

Physical Sciences → Energy → Renewable Energy, Sustainability and the Environment

Study on Electrochemical Hydrogen Storage of Multi-Walled Carbon Nanotubes

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