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Effects of Mn content on microstructure and electrochemical properties of LaNi4.2-xCo0.6MnxAl0.2 (x=0-0.2) hydrogen storage alloys JIAO Yong-han(焦永涵), CHENG Yan(成 艳), ZHU Lei(朱 磊), CHEN Hui(陈 晖... and then decrease. The discharge capacity reaches the highest value of 367 mA?h/g (x=0.1) at 0.2C. Key words: hydrogen storage alloys; crystal structure; electrochemical properties; Mn substitution 1 Introduction......
Influences of stoichiometric ratio B/A on structures and electrochemical behaviors of La0.75Mg0.25Ni3.5Mx(M=Ni, Co; x=0-0.6) hydrogen storage alloys ZHANG Yang-huan(张羊换)1, 2, DONG Xiao-ping(董小平)1...-Co alloy; hydrogen storage alloy; substitution; Co; Ni  ......
Institute for Nonferrous Metals, Beijing 100088, China Received 15 July 2007; accepted 10 September 2007 Abstract: The as-prepared Ti-Zr hydride powder is used as dopant to improve hydrogen storage...% (mass fraction) after 10 hydrogenation/dehydrogenation cycles. These results show the Ti-Zr hydride doped NaAlH4 has good reversible hydrogen storage capacity and kinetics. XRD and SEM investigations......
Phase Structure and Electrochemical Characteristics of Ml(Ni3.55Co0.75Mn0.40Al0.30)5x (x=0.88, 0.92, 0.96, 1.00) Hydrogen Storage Alloys Hu Lin1,Xie Danyang1,Li Yuan1,Guan Wei1,Han Shumin1,Mao...(Ni3.55Co0.75Mn0.40Al0.30)5x (x=0.88, 0.92, 0.96, 1.00) hydrogen storage alloys were studied.The effect of the stoichiometric ratio on the phase structure and electrochemical characteristics was analyzed.The......
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: A Influence of partial substitution of vanadium for chromium on hydrogen storage performance of TiCr based alloys HUANG Tai-zhong, WU Zhu, FENG Shang-long, CHEN Jin-zhou, XIA Bao-jia, XU Nai-xin... storage capacity of TiCr based alloy, chromium was partially substituted by vanadium. The dependence of hydrogen storage capacity on vanadium content was investigated. X-ray diffraction results show......
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Microstructure and electrochemical properties of melt-spun Nd_(0.8)Mg_(0.2)(Ni_(0.8)Co_(0.2))_(3.8) hydrogen storage alloy GENG Chaoqing1,PAN Chongchao1,WANG Zhen1,YU Ronghai1,Javed Iqbal1,CAI Wupeng1 (1.Key Laboratory of Advanced Materials,Department of Materials Science and Engineering,Tsinghua University,Beijing 100084,China) Key words:hydrogen storage alloy; rapid solidification......
Structure and hydrogen storage performance of LaNi4.25Al0.75 alloy CAO Da-li1, CHEN De-min2, LIU Yi1, MA Lei1, L? Man-qi2, YANG Ke2 1. School of Materials Science and Engineering, Shenyang...: Hydrogen storage properties of LaN4.25Al0.75 alloy were experimentally investigated by XRD, PC isotherm curves, hydrogen absorption kinetics curves, XPS and its particle diameter. The structure of unit......
Improvement of Hydrogen Storage Propertiesof La0.6M0.4Ni4.8Mno.2 AlloysPing DU, Wei CAO, Manqi LU, Jiangping CHEN and Ke YANGInstitute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China摘 要:<正> Investigation has been carried out to find the effects of Nd substitution and Cu addition on the hydrogen storage properties of AB5-type......