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Activity and Stability of Rare Earth-Based Hydride Alloys as Catalysts of Hydrogen Absorption-Oxidation Reactions 高学平1,应桃开2,胡伟康3 (1.Institute of New Energy Material Chemistry, Nankai University... Stockholm, Sweden) Abstract:Rare earth-based AB5-type hydrogen storage alloys as catalysts of hydrogen-diffusion electrodes for hydrogen absorption and oxidation reactions in alkaline fuel cells were......
Article ID: 1003-6326(2005)06-1351-05 Structure and electrochemical properties of La-Mg-Ni system hydrogen storage alloys with different Co contents WANG Jian-hui(王建辉), ZHONG Kai(钟 凯), DING... and electrochemical properties of the La0.7Mg0.3Ni3.4-xMn0.1Cox (x=0-1.05) hydrogen storage alloys were investigated. The crystal structure and the lattice parameters of the alloys were analyzed by X-ray......
Electrochemical hydrogen storage characteristics of nanocrystalline and amorphous Mg2Ni-type alloys prepared by melt-spinning ZHANG Yang-huan1, 2, L? Ke1, 2, ZHAO Dong-liang1, GUO Shi-hai1, QI.... The electrochemical impedance spectrums (EIS) were plotted by an electrochemical workstation. The hydrogen diffusion coefficients (D) in the alloys were calculated by virtue of potential-step measurement......
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... by melt-spinning technology. The structures of the alloys were studied by XRD, SEM and HRTEM. The hydrogen absorption/desorption kinetics and the electrochemical performances of the alloys were......
Effect of rare earths on microwave absorbing properties of RE-Co alloys何崇康1,2,潘顺康1,成丽春1,3,刘星1,吴亚军11. School of Materials Science and Engineering, Guilin University of Electronic Technology2. Hezhou.... Reflectivity value less than –5 d B was from 5.1 to 10.2 GHz. When x=6 and x=8, the alloys of Ho x Co100–x consisted of Ho2Co17 phase and Co phase. They had good radar absorbing properties. With increase......
Effect of rare earths on microwave absorbing properties of RE-Co alloys何崇康1,2,潘顺康1,成丽春1,3,刘星1,吴亚军11. School of Materials Science and Engineering, Guilin University of Electronic Technology2. Hezhou.... Reflectivity value less than –5 d B was from 5.1 to 10.2 GHz. When x=6 and x=8, the alloys of Ho x Co100–x consisted of Ho2Co17 phase and Co phase. They had good radar absorbing properties. With increase......
Effect of ball milling on hydrogen storage of Mg3La alloy SUN Tai1,ZHU Min1,DONG Hanwu1,OUYANG Liuzhang1 (1.School of Mechanical Engineering, South China University of Technology, Guangzhou 510641, China) Abstract:Hydrogen storage and microstructure of ball milled Mg3La alloy were investigated by X-ray diffraction and pressure-composition-isotherm measurement. The ball milled Mg3La alloy could......
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-Verlag Berlin Heidelberg 2011 Abstract: In order to improve the electrochemical hydrogen storage performance of the Mg2Ni-type electrode alloys, Mg in the alloy was partially substituted by La... (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The electrochemical hydrogen storage properties of the experimental alloys were tested. The results show......
the production and electrical properties of amorphous semiconductor structures, hydrogen storage technology, devices for fusion reactors, hydrogen- permeable membrane). Recently, amorphous alloys... increases with hydrogen concentration due to the structural features of amorphous alloys. Some models[9] indicated that the diffusion coefficient of hydrogen in metallic glasses is deviated from......