Synthesis of multi-walled carbon nanotube supported nickel catalysts by hydrazine reduction and their electrocatalytic activity on ethanol electro-oxidation |
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| Authors: | Zheng Liu Zhilin Li Feng Wang Jingjun Liu Jing Ji Jianjun Wang Weihong Wang Shiyong Qin Lianghu Zhang |
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| Affiliation: | 1. State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, PR China;2. Institute of Carbon Fibers and Composites, Beijing University of Chemical Technology, Beijing 100029, PR China;3. Blue Star (Beijing) Chemical Machinery Co., Ltd., Beijing 100176, PR China;1. Semiconductor Materials Process Laboratory, School of Advanced Materials Engineering, Engineering College, Research Center for Advanced Materials Development (RCAMD), Chonbuk National University, Baekje-daero 567, Jeonju 561-756, Republic of Korea;2. School of Materials Science and Engineering, Low Dimensional Carbon Materials Center, Ulsan National Institute of Science and Technology, UNIST-gil 50, Ulsan 689-798, Republic of Korea;1. Mentor Graphics, Budapest, Hungary;2. Budapest University of Technology and Economics, Hungary |
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| Abstract: | 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. |
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