| THE ELECTROCHEMICAL PERFORMANCES OF Zr-BASED HYDROGEN STORAGE ALLOYS |
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| 引用本文： | Yang,Xiaoguang, Lei,Yongquan, Wu,Jing, Wang,Qidong(Department of Materials Science and Engineering,Zhejiang University,Hangzhou 310027). THE ELECTROCHEMICAL PERFORMANCES OF Zr-BASED HYDROGEN STORAGE ALLOYS[J]. 中国有色金属学会会刊, 1995, 0(3) |
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| 作者姓名： | Yang Xiaoguang Lei Yongquan Wu Jing Wang Qidong(Department of Materials Science and Engineering Zhejiang University Hangzhou 310027) |
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| 作者单位： | Department of Materials Science and Engineering，Zhejiang University，Hangzhou 310027 |
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| 摘 要： | ＴＨＥＥＬＥＣＴＲＯＣＨＥＭＩＣＡＬＰＥＲＦＯＲＭＡＮＣＥＳＯＦＺｒ－ＢＡＳＥＤＨＹＤＲＯＧＥＮＳＴＯＲＡＧＥＡＬＬＯＹＳ￥Ｙａｎｇ，Ｘｉａｏｇｕａｎｇ；Ｌｅｉ，Ｙｏｎｇｑｕａｎ；Ｗｕ，Ｊｉｎｇ；Ｗａｎｇ，Ｑｉｄｏｎｇ（ＤｅｐａｒｔｍｅｎｔｏｆＭａｔ...
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THE ELECTROCHEMICAL PERFORMANCES OF Zr-BASED HYDROGEN STORAGE ALLOYS |
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| Yang,Xiaoguang, Lei,Yongquan, Wu,Jing, Wang,Qidong. THE ELECTROCHEMICAL PERFORMANCES OF Zr-BASED HYDROGEN STORAGE ALLOYS[J]. Transactions of Nonferrous Metals Society of China, 1995, 0(3) |
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| Authors: | Yang Xiaoguang Lei Yongquan Wu Jing Wang Qidong |
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| Abstract: | The main crystal structure of Zr(CrxNi1-x)2, (X = 0. 15-0. 65) alloys prepared by the arc melting in an argon atmosphere was found to change from C15 to C14 as the ratio Cr/Ni increased,and the alloy Zr (Cr0.35,Ni0.65)2 which was mainly of C15 exhibited maximum electrochemical discharge capacity of 305 mAh/g at 293 K. The exchange current density i0 varied with the equlibrium potentials of the hydride electrodes, the lower the elctrode potentials, the larger the i0 values. Fine alloy powders,especially those were pulverized in H2 gas and the electrodes pretreated with(H2O2 HF) solution were highly activated. An obvioous variation of Zr 3d5/2 peak position before and after cyclings was detected,the discrepency is related with the activity of the hydride electrodes. |
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| Keywords: | Zr-based Laves phase crystal structure electrode performances |
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