Journal
MATERIALS LETTERS
Volume 65, Issue 23-24, Pages 3396-3398Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2011.07.068
Keywords
Carbon nanotubes; Nickel; Nanoparticles; Electro-catalysts; Oxidation; Ethanol
Funding
- Ministry of Science and Technology of the People's Republic of China [2009BAE871300]
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Multi-walled carbon nanotube (MWCNT) supported nickel (Ni) catalysts were chemically synthesized via a hydrazine reduction process with addition of cetyltrimethylammonium bromide (CTAB) as a special additive. As evidenced by field-emission scanning electron microscopy (FE-SEM), X-ray diffraction (XRD) and high-revolution transmission electron microscope (HR-TEM), the Ni nanoparticles (NPs) deposited on the sidewalls of MWCNTs were found to be face-centric cubic (fcc) crystal structure, and dispersed homogenously with a sharp particle size distribution centered at around 20 nm of diameter. Electro-oxidation of ethanol on MWCNT/Ni catalysts was investigated by cyclic voltammetry (CV) measurement. The MWCNT/Ni catalysts showed excellent electro-catalytic activity for the oxidation of ethanol in alkaline solution. (C) 2011 Elsevier B.V. All rights reserved.
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