4合金的最大放電容量為271.06 mAh/g。"/>

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RE-Mg-Ni系儲(chǔ)氫電極合金“電化學(xué)相圖”的構(gòu)建
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上海大學(xué) 省部共建高品質(zhì)特殊鋼冶金與制備國家重點(diǎn)實(shí)驗(yàn)室,上海大學(xué) 省部共建高品質(zhì)特殊鋼冶金與制備國家重點(diǎn)實(shí)驗(yàn)室,上海大學(xué) 省部共建高品質(zhì)特殊鋼冶金與制備國家重點(diǎn)實(shí)驗(yàn)室,CompuTherm LLC,上海大學(xué) 省部共建高品質(zhì)特殊鋼冶金與制備國家重點(diǎn)實(shí)驗(yàn)室,中國科學(xué)院上海微系統(tǒng)與信息技術(shù)研究所

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TG139+.7

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上海市教育委員會(huì)和上海市教育發(fā)展基金會(huì)“曙光計(jì)劃”(13SG39)和國家自然科學(xué)基金資助(51277173)


Construction of “Phase Diagram of Electrochemical Discharge Capacity” for RE-Mg-Ni-based Hydrogen Storage Electrode Alloys
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State Key Laboratory of Advanced Special Steel & Shanghai Key Laboratory of Advanced Ferrometallurgy & School of Materials Science and Engineering, Shanghai University,State Key Laboratory of Advanced Special Steel & Shanghai Key Laboratory of Advanced Ferrometallurgy & School of Materials Science and Engineering, Shanghai University,State Key Laboratory of Advanced Special Steel & Shanghai Key Laboratory of Advanced Ferrometallurgy & School of Materials Science and Engineering, Shanghai University,CompuTherm LLC,State Key Laboratory of Advanced Special Steel & Shanghai Key Laboratory of Advanced Ferrometallurgy & School of Materials Science and Engineering, Shanghai University,

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    摘要:

    本文將相圖計(jì)算和RE-Mg-Ni(RE=Nd, Ce, Y)系儲(chǔ)氫電極合金的最大放電容量測(cè)試相結(jié)合,然后通過矩陣運(yùn)算的方式構(gòu)建了合金“電化學(xué)相圖”,提出了一種儲(chǔ)氫電極合金設(shè)計(jì)的新方法,可快速定位高放電容量區(qū)域,為儲(chǔ)氫電極合金設(shè)計(jì)提供指導(dǎo),縮短研發(fā)周期。在本文研究體系中,Nd-Mg-Ni體系具有較高的最大放電容量,Y-Mg-Ni體系次之,其中NdMgNi4合金的最大放電容量為271.06 mAh/g。

    Abstract:

    A new method for hydrogen storage electrode alloys design was proposed. It combines the calculation of the phase diagram and maximum discharge capacity of an electrode to construct the "phase diagram of electrochemical discharge capacity" for the RE-Mg-Ni-based hydrogen storage electrode alloys. This method can provide guidance for hydrogen storage electrode alloy design with rapid determination of an alloy composition having a high discharge capacity. In RE (Nd, Y, Ce)-Mg-Ni systems, the Nd-Mg-Ni alloys have the highest discharge capacity. The maximum discharge capacity for NdMgNi4 alloy in Nd-Mg-Ni system is 271.06 mAh/g.

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時(shí)雨,龐越鵬,羅群,陳雙林,李謙,婁豫皖. RE-Mg-Ni系儲(chǔ)氫電極合金“電化學(xué)相圖”的構(gòu)建[J].稀有金屬材料與工程,2018,47(7):2107~2112.[Shi Yu, Pang Yuepeng, Luo Qun, Chen Shuanglin, Li Qian, Lou Yuwan. Construction of “Phase Diagram of Electrochemical Discharge Capacity” for RE-Mg-Ni-based Hydrogen Storage Electrode Alloys[J]. Rare Metal Materials and Engineering,2018,47(7):2107~2112.]
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  • 收稿日期:2016-06-14
  • 最后修改日期:2016-07-26
  • 錄用日期:2016-08-18
  • 在線發(fā)布日期: 2018-10-10
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