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activity and favorable plateaus pressure. Mg2Ni is in favor of high hydrogen storage capacity and low weight, but it is difficult to be activated. In order to improve the capacity and cycle.... With the increasing of x value, capacity retentions of the composite hydrogen storage alloys rise from 66.21% while x=0 to 82.04% while x=10, but the capacity retention of the composite alloy with 30% Mg2Ni declines......
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absorb hydrogen up to 4wt.% at 300 °C for the first time, along with a decomposing course. Following tests showed that the average reversible hydrogen storage capacity was 2.7wt.%. The enthalpy...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......
Effects of Cobalt Content and Preparation on Electrochemical Capacity of AB5-Type Hydrogen Storage Alloys at Different Temperature Wu Jianmin1,Zhou Shaoxiong2,Li Rong1,Qian Jiuhong3 (1.Department... Information, General Research Institute for Non-Ferrous Metals, Beijing 100088, China) Abstract:The effects of Co as a substituent for Ni on microstructure and electrochemical capacity of hydrogen......
for electrochemical measurement.Electrode is 10C, the capacity decreasing rate via the 450 cycles at 7C is less than 20%. Key words:nano-crystal; hydrogen storage alloys; electrochemically...Characteristic Investigation of Nano-Crystal Hydrogen Storage Alloys Tang Renheng1,Lu Qiyun1,Xiao Fangming1,Huang Lili1,Peng Neng1,Wang Ying1 (1.Rare Earth Materials Research Center, Guangzhou......
phases are increased after discharged with cycling, which indicates that more irreversible hydrogen remains not discharged in the alloy. It should be responsible for the decrease of discharge capacity...DEGRADATION BEHAVIORS OF NEW TYPE TiV-BASED HYDROGEN STORAGE ELECTRODE ALLOYS X.Z. Sun1,M.X. Gao1,Y.F. Zhu1,R. Li1,H.G. Pan1,Y. Lin1 (1.Department of Materials Science and Engineering, Zhejiang......
]. The possible reason is that the glassy state possesses a higher free energy and therefore also a larger driving force for oxidation. However, in many hydrogen storage alloys, their hydrogen storage capacity... Hydrogen absorption and desorption in metallic glass and nanocrystalline Zr52.5Cu17.9Ni14.6Ti5Al10 alloy CHENG Xiao-ying(程晓英), WANG Fang(王 芳) Institute of Materials Science, Shanghai......
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