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首页> 外文期刊>International journal of hydrogen energy >Study on the structure and hydrogen storage characteristics of as-cast La_(0.7)Mg_(0.3)Ni_(3.2)Co_(0.35-x)Cu_x alloys
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Study on the structure and hydrogen storage characteristics of as-cast La_(0.7)Mg_(0.3)Ni_(3.2)Co_(0.35-x)Cu_x alloys

机译：铸造La_（0.7）Mg_（0.3）Ni_（3.2）Co_（0.35-x）Cu_x合金的结构和储氢特性的研究

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摘要

In this paper, the structure, hydrogen storage performance, electrochemical discharge and cyclic characteristics of La_(0.7)Mg_(0.3)Ni_(3.2)Co_(0.35-x)Cu_x alloys were investigated using X-ray diffraction (XRD), pressure composition isotherm (PCT) and electrochemical tests. XRD tests showed that all of the alloys were composed of La_2Ni_7 and LaNi phases. The ratio of LaNi phase in these alloys increased with increasing substitution of Cu for Co. PCT tests showed that increasing substitution of Cu for Co resulted in the decrease of hydrogen storage capacity and the increase of plateau pressure. Electrochemical discharge tests showed that the discharge capacity increased first and then decreased with increasing substitution of Cu for Co.
机译：本文利用X射线衍射（XRD），压力组成研究了La_（0.7）Mg_（0.3）Ni_（3.2）Co_（0.35-x）Cu_x合金的结构，储氢性能，电化学放电和循环特性。等温线（PCT）和电化学测试。 XRD测试表明，所有合金均由La_2Ni_7和LaNi相组成。这些合金中LaNi相的比例随Cu对Co取代度的增加而增加。PCT试验表明，Cu对Co取代度的增加导致储氢能力的降低和平台压力的升高。电化学放电测试表明，随着Cu替代Co的增加，放电容量先增大然后减小。

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  • 来源
    《International journal of hydrogen energy》 |2010年第16期|p.8592-8596|共5页
  • 作者

    Huang Taizhong; Wu Zhu; Han Jitian; Sun Guoxin; Yu Jiemei; Cao Xianqi; Xu Naixin; Zhang Yihe;

  • 作者单位

    Shandong Provincial Key Laboratory of Fluorine Chemistry and Chemical Materials, School of Chemistry and Chemical Engineering, University of Jinan, 106 Jiwei Road, Jinan, Shandong 250022, PR China School of Energy and Power Engineering, South Campus, Shandong University, No. 12793, Jingshi Road, Jinan, Shandong 250061, China National Laboratory of Mineral Materials, School of Material Science and Technology, China University of Geosciences, Beijing 100083, China;

    rnShanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai 200050, PR China;

    rnSchool of Energy and Power Engineering, South Campus, Shandong University, No. 12793, Jingshi Road, Jinan, Shandong 250061, China;

    rnShandong Provincial Key Laboratory of Fluorine Chemistry and Chemical Materials, School of Chemistry and Chemical Engineering, University of Jinan, 106 Jiwei Road, Jinan, Shandong 250022, PR China;

    rnShandong Provincial Key Laboratory of Fluorine Chemistry and Chemical Materials, School of Chemistry and Chemical Engineering, University of Jinan, 106 Jiwei Road, Jinan, Shandong 250022, PR China;

    rnSchool of Energy and Power Engineering, South Campus, Shandong University, No. 12793, Jingshi Road, Jinan, Shandong 250061, China;

    rnShanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai 200050, PR China;

    rnNational Laboratory of Mineral Materials, School of Material Science and Technology, China University of Geosciences, Beijing 100083, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    hydrogen storage alloy; XRD; PCT; electrochemical capacity;

    机译：储氢合金XRD;PCT;电化学容量;
  • 入库时间 2022-08-18 00:29:22

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