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Microstructural evolution of melt-spun Mg-10Ni-2Mm hydrogen storage alloy WU Ying1, 2, 3, XING Na1, 4, LU Zhi-chao1, HAN Wei1, ZHOU Shao-xiong1, J. K. SOLBERG2, V. A. YARTYS2, 3 1. Central Iron..., China Received 22 November 2009; accepted 23 Feburay 2010 Abstract: The microstructural evolution of a Mg-10Ni-2Mm (molar fraction, %) (Mm=Ce, La-rich mischmetal) hydrogen storage alloys applied......
compound decreases the stability of the hydride and makes the desorption reaction easier[13-14]. Fig.6 Hydrogen desorption kinetic curves of as-cast and spun alloys: (a) Effect of Co content... Hydrogen storage behaviours of nanocrystalline and amorphous Mg20Ni10-xCox (x=0-4) alloys prepared by melt spinning ZHANG Yang-huan(张羊换)1, 2, ZHAO Dong-liang(赵栋梁)1, LI Bao-wei(李保卫)2,QI Yan(祁 焱)1......
Pulsed electrodeposition of hydroxyapatite on titanium substrate in solution containing hydrogen peroxide CHEN Xing-yu(陈星宇), ZHAO Zhong-wei(赵中伟), CHEN Ai-liang(陈爱良), LI Hong-gui(李洪桂) School... in the electrolyte containing H2O2 by the pulse electrodeposition. The introduction of H2O2 restrains the evolution of H2 and improves the adhesive strength between coatings and substrate. The results......
of Sn2 Ta2 O7 nanosheets was evaluated by photocatalytic water splitting for hydrogen evolution under visible light irradiation(k C 400 nm). The Sn2 Ta2 O7 nanosheets with a large surface area...Two-dimensional Sn2Ta2O7 nanosheets as efficient visible lightdriven photocatalysts for hydrogen evolutionXiao-Shuai Wang1,2,Chao Zhou2,Run Shi2,Qin-Qin Liu1,Tie-Rui Zhang2,31. School of Materials......
of total electrons[J]. International Journal of Hydrogen Energy, 2009, 34(4): 1880-1885. [4] XU Yan-hui, CHEN Chang-pin, WANG Xiao-lin, WANG Qi-dong. The hydrogen evolution reaction during charging... Electrode properties and phase composition of Ti0.5Ni0.25Al0.25 hydrogen storage alloys and theoretical simulation WU Jun(吴 军)1, XU Yan-hui(徐艳辉)1, CHEN Chang-pin(陈长聘)2, ZHENG Jun-wei(郑军伟)1, LI De......
for hydrogen evolution reaction on different temperatures and different potentials 对应于此交流阻抗图谱的结果,采用ZVIEW软件进行拟合,等效电路如图7(e)所示,电路各元件的拟合数据列于表3.在等效电路中,R为测试电解液电阻,Rct为析氢反应的电荷转移电阻,Rp为非法拉第扩散电阻,CPE为常相位元件,表示和电容相似的程度... for hydrogen evolution reaction in alkaline solution by electrochemical impedance spectroscopy[J]. International Journal of Hydrogen Energy, 2008, 33(10): 2468-2476. [8] KEDZIERZAWSKI P, OLESZAK D......
can increase the potential of oxygen evolution on Pb-Ca-Sn alloy.The AC impedance experiments show that Ce can also enhance the resistance of hydrogen evolution on Pb-Ca-Sn electrode, i.e., Ce can inhibit the hydrogen evolution on Pb-Ca-Sn electrode.The reason why Ce decreases the volume of hydrogen evolution on Pb-Ca-Sn alloy is that Ce increases the resistance of absorbing step of hydrogen......
of methanol Of the methanol conversion technologies, SRM reaction is an endothermic reaction, which produces the highest yield of hydrogen and the highest H2 to CO2 mole ratio. Based on the existing... hydrogen from methanol. Besides the overall reaction as shown in Reaction (3), two side reactions are commonly considered, which are methanol decomposition and water-gas shift reaction seen below......
electrochemical reactions, i.e., oxygen consumption reaction and hydrogen evolution reaction occur at the cathode, which induces HE risk. Based on the basic principle of ER, the specimens... oxygen consumption reaction and hydrogen evolution reaction can be recognized according to an abrupt change in current density. A few researchers have indicated that changing the local......
. The discharge reaction of the hydrogen storage electrode mainly depends on the diffusion of hydrogen atoms in the alloy, and internal resistance of the alloy electrode decreases with the increase... of the Mg2Ni-type alloy. Fig.8 Evolution of HRD values of alloys with spinning rate The HRD value of the alloy mainly depends on the electrochemical reaction kinetics of the alloy powder surface......