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RE-Mg-Ni系储氢电极合金“电化学相图”的构建
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上海大学 省部共建高品质特殊钢冶金与制备国家重点实验室,上海大学 省部共建高品质特殊钢冶金与制备国家重点实验室,上海大学 省部共建高品质特殊钢冶金与制备国家重点实验室,CompuTherm LLC,上海大学 省部共建高品质特殊钢冶金与制备国家重点实验室,中国科学院上海微系统与信息技术研究所

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TG139+.7

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上海市教育委员会和上海市教育发展基金会“曙光计划”(13SG39)和国家自然科学基金资助(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:

    本文将相图计算和RE-Mg-Ni(RE=Nd, Ce, Y)系储氢电极合金的最大放电容量测试相结合,然后通过矩阵运算的方式构建了合金“电化学相图”,提出了一种储氢电极合金设计的新方法,可快速定位高放电容量区域,为储氢电极合金设计提供指导,缩短研发周期。在本文研究体系中,Nd-Mg-Ni体系具有较高的最大放电容量,Y-Mg-Ni体系次之,其中NdMgNi4合金的最大放电容量为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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时雨,庞越鹏,罗群,陈双林,李谦,娄豫皖. RE-Mg-Ni系储氢电极合金“电化学相图”的构建[J].稀有金属材料与工程,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
  • 录用日期:2016-08-18
  • 在线发布日期: 2018-10-10
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