Preparation of Three-dimensional Nickel Foam Supported Cobalt Catalyst by Electrodeposition and Its Process Optimizatio
WEI Yongsheng1, WANG Maosen1, KANG Jian1, MA Ruixin2, WEI Lu1, LI Jianwei1, ZHAO Xinsheng1
1 Laboratory of Hydrogen Energy, School of Physics and Electronic Engineering, Jiangsu Normal University,Xuzhou 221116; 2 Department of Environmental Engineering, North China Institute of Science and Technology, Beijing 101601
Abstract: Porous nickel foam possesses the advantages of light weight, large specific surface area, good permeability and so forth, which is widely applied in the field of new energy materials including lithium battery, supercapacitor, fuel cell etc. The nickel foam supported cobalt (Co/Ni-foam) catalyst was synthesized by electrodeposition for alcoholysis of sodium borohydride, and hydrogen generation rate was tested by drainage method. The results of XRD show that the active component cobalt of the Co/Ni-foam ca-talyst was α phase. The SEM images showed the Co/Ni-foam catalyst had a smooth and neat surface, as well as a three-dimensional structure, which was beneficial to the gas-liquid flow during the catalytic reaction. The effects of electrodeposition time, bath tempe-rature, current density and bath concentration on the hydrogen production performance of the catalyst were also investigated, and the preparation conditions were optimized. The hydrogenation rate of the sodium borohydride was about 17 685.81 mL·min-1·g-1(Co), with the electrodeposition time of 1.5 h, the bath temperature of 40 ℃, the current density of 5 mA/cm2, and the bath concentration of 50 g/L. This method present broad application prospects in the portable hydrogen production technology.
魏永生, 王茂森, 康健, 马瑞欣, 韦露, 李建伟, 赵新生. 电沉积法制备三维泡沫镍负载钴催化剂及其工艺条件优化[J]. 材料导报, 2018, 32(19): 3304-3308.
WEI Yongsheng, WANG Maosen, KANG Jian, MA Ruixin, WEI Lu, LI Jianwei, ZHAO Xinsheng. Preparation of Three-dimensional Nickel Foam Supported Cobalt Catalyst by Electrodeposition and Its Process Optimizatio. Materials Reports, 2018, 32(19): 3304-3308.
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2018, Vol. 32 
