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Low-temperature performance and high-rate discharge capability of AB_5-type non-stoichiometric hydrogen storage alloy 被引量：1

Low-temperature performance and high-rate discharge capability of AB_5-type non-stoichiometric hydrogen storage alloy
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摘要 Low-temperature performance and high-rate discharge capability of AB5-type non-stoichiometric hydrogen storage are studied. X-ray diffraction(XRD),pressure-composition-temperature(PCT) curves and electrochemical impedance spectroscopy(EIS) are applied to characterize the electrochemical properties of ABx(x=4.8,4.9,5.0,5.1,5.2) alloys. The results show that the non-stoichiometric alloys exhibit better electrochemical properties compared with that of the AB5 alloy. Low-temperature performance and high-rate discharge capability of AB5-type non-stoichiometric hydrogen storage are studied. X-ray diffraction（XRD）, pressure-composition-temperature（PCT） curves and electrochemical impedance spectroscopy（EIS） are applied to characterize the electrochemical properties of ABx （x=4.8, 4.9, 5.0, 5.1, 5.2） alloys. The results show that the non-stoichiometric alloys exhibit better electrochemical properties compared with that of the AB5 alloy.
作者 陆延静 朱磊 成艳 陈晖 简旭宇 王忠
机构地区 Energy Material and Technology Research Institute
出处 《中国有色金属学会会刊：英文版》 CSCD 2007年第A02期978-984,共7页 Transactions of Nonferrous Metals Society of China
基金 Project(2006AA11A151) supported by the National Hi-Tech Research and Development Program of China
关键词 储氢合金 化学计量学 低温性能 放电容量 AB5-type hydrogen storage alloy non-stoichiometry low-temperature performance high-rate discharge capability
分类号 TG139.7 [一般工业技术—材料科学与工程]
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参考文献16

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中国有色金属学会会刊：英文版
2007年 第A02期

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