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含Ni量對(duì)機(jī)械合金化Mg—Ni系二元貯氫合金結(jié)構(gòu)和電化學(xué)?…
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TG139.7

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國家自然科學(xué)基金資助項(xiàng)目!(5 99710 47),國家“86 3”計(jì)劃資助項(xiàng)目!(715 - 0 0 4- 0 0 6 0 )


Effect of Nickel on the Structure and Electrochemical Properties of Mechanically Alloyed Mg-Ni Based Binary Hydrogen Storage Alloys
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    摘要:

    采用機(jī)械合金化(MA)方法制備了MgNix(x=0.5,1.0,1.25,1.5,2.0)二元貯氫合金。并詳細(xì)研究了含Ni量對(duì)MAMg-Ni系二元合金結(jié)構(gòu)和電化學(xué)性能的影響。結(jié)果表明,當(dāng)x=0.5時(shí),MAMgNi0.5仍為晶態(tài)合金。 形成非晶態(tài)結(jié)構(gòu),且放電容量很低;當(dāng)x=1.0~2.0時(shí),MA Mg-Ni二元合金可形成非晶相,且非昌Mg-Ni二 合金具有較高的室溫放電容量。, 時(shí),在非 組成范圍內(nèi)

    Abstract:

    MgNi x(x=0 5,1 0,1 25,1 5,2 0)binary alloys have been synthesized using mechanical alloying(MA). The effect of nickel on the structure and electrochemical properties of MA Mg Ni binary alloys has been investigated. All MA MgNi x(x=1 0,1 25,1 5,2 0) alloys, except MgNi 0 5 are amorphous. The properties of the amorphous alloys are better than those of the crystallite one. As the nickel content in amorphous alloys increases, the maximum discharge capacity decreases and the average potential moves towards negative direction, but the decay of charge discharge capacity decreases.

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葉輝 陳立新.含Ni量對(duì)機(jī)械合金化Mg—Ni系二元貯氫合金結(jié)構(gòu)和電化學(xué)?…[J].稀有金屬材料與工程,2000,(3):193~196.[Ye Hui, Chen Lixin, Lei Yongquan. Effect of Nickel on the Structure and Electrochemical Properties of Mechanically Alloyed Mg-Ni Based Binary Hydrogen Storage Alloys[J]. Rare Metal Materials and Engineering,2000,(3):193~196.]
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  • 最后修改日期:1999-08-16
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