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Electrode properties and phase composition of Ti_(0.5)Ni_(0.25)Al_(0.25) hydrogen storage alloys and theoretical simulation

Electrode properties and phase composition of Ti_(0.5)Ni_(0.25)Al_(0.25) hydrogen storage alloys and theoretical simulation
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摘要 Ti0.5Al0.25Ni0.25 alloy prepared by vacuum induction melting was studied.The phase composition was analyzed with X-ray technique and EDS analysis,and its electrochemical properties were investigated at various temperatures.Electrochemical reaction kinetic parameters were also studied with proper electrochemical techniques.The influence of the secondary corrosion reaction on the anodic linear polarization measurement was also analyzed by theoretical simulation.The results show that,proper ball-milling with nickel powders is beneficial to electrochemical performance.The theoretical simulation proves that,the existence of the side reaction can disturb the measurement of electrochemical reaction kinetic parameters. Ti0.5Al0.25Ni0.25 alloy prepared by vacuum induction melting was studied.The phase composition was analyzed with X-ray technique and EDS analysis,and its electrochemical properties were investigated at various temperatures.Electrochemical reaction kinetic parameters were also studied with proper electrochemical techniques.The influence of the secondary corrosion reaction on the anodic linear polarization measurement was also analyzed by theoretical simulation.The results show that,proper ball-milling with nickel powders is beneficial to electrochemical performance.The theoretical simulation proves that,the existence of the side reaction can disturb the measurement of electrochemical reaction kinetic parameters.
作者 吴军 徐艳辉 陈长聘 郑军伟 李德成
机构地区 Institute of Electrochemical Power Sources Department of Materials Science and Engineering
出处 《Transactions of Nonferrous Metals Society of China》 SCIE EI CAS CSCD 2010年第10期1899-1905,共7页 中国有色金属学报（英文版）
关键词 电化学性能 理论模拟 合金成分 化学反应动力学参数 贮氢 电极 真空感应熔炼 极化测量 hydrogen storage alloy electrochemical kinetics metal hydride electrode theoretical simulation
分类号 TG139.7 [一般工业技术—材料科学与工程] TS205.7 [轻工技术与工程—食品科学]
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参考文献19

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二级参考文献16

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Transactions of Nonferrous Metals Society of China
2010年 第10期

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