Amorphous Ti_(2-x)Mg_xNi(x=0-0.3) alloys were prepared by mechanical milling of elemental powders.Charge and discharge test,linear polarization(LP) and potential-step measurement were carried out to investigate the electrochemical hydrogen storage properties of the alloys before and after heat treatment.The results show that the maximum discharge capacity of heat-treated Ti_(2-x)Mg_xNi alloy can reach 275.3 mA·h/g,which is 100 mA.h/g higher than that of the amorphous Ti_(2-x)Mg_xNi alloy.The heat-treated Ti...
【基金】
Project(51201089)supported by the National Natural Science Foundation of China;
Project supported by the Priority Academic Program Development(PAPD)of Jiangsu Higher Education Institutions of China
【更新日期】
2015-12-24
【分类号】
TG139.8;TG156
【正文快照】
1 IntroductionNickel/metal hydride(Ni/MH)secondary batterieshave been widely researched for their high capacity,longcycle life,non-toxic and environmentally friendlyfeatures[1,2].The performance of Ni/MH batteriesmainly depends on the electrochemical hydr
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