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球磨Mg50Ni50＋x wt%Ti（x=0,1,3,5）合金的贮氢性能
  • ISSN号：1005-8192
  • 期刊名称：《金属功能材料》
  • 时间：0
  • 分类：TG139.7[金属学及工艺—合金;一般工业技术—材料科学与工程;金属学及工艺—金属学]
  • 作者机构：[1]钢铁研究总院,北京100081, [2]内蒙古科技大学,包头014010
  • 相关基金：基金项目：863项目（2007AA032227）;国家自然科学基金项目（50871050和50701011）;内蒙古自然科学基金重点项目（200711020703）;内蒙古高等教育科学研究项目（NJzy08071）
作者： 王智锋[2], 赵栋梁[1], 侯忠辉[2], 雍辉[2], 张羊换[1,2], 王新林[1]
关键词： 镁基贮氢合金, 机械球磨, 微观结构, 贮氢性能, Mg-based hydrogen storage alloys, ball-milling, microstructure, hydrogen storage characteristics
中文摘要：

为了改善镁基贮氢合金的贮氢性能,在合金中加入不同量的Ti作为催化剂,用机械球磨法制备出Mg50Ni50＋x wt%Ti（x=0,1,3,5）合金粉末。用XRD、SEM分析了合金的微观结构,研究了Ti含量的变化对合金气态吸氢动力学及电化学性能的影响。结果表明：随着Ti含量的增加,合金相中出现了TiNi2相,TiNi2相不利于气态吸氢及电化学贮氢性能,但对合金的容量保持率及高倍率放电性能有很好的促进作用。

英文摘要：

In order to improve the hydrogen storage characteristics of the Mg-based alloys,Ti as catalyzer was added.The Mg50Ni50＋xwt%Ti（x=0,1,3,5） alloys were prepared by mechanical milling.The microstructures of alloys were characterized by XRD and SEM.Meantime,it was indicated that the change of the Ti content had an effect on the hydrogen absorption and the electrochemical performance.The results show that,with the increase of Ti content,the phase TiNi2 was appear in the alloy phase composition.The phase TiNi2 was not in favor of hydrogen storage and electrochemical characteristics,but the capacity retaining rate and the high rate dischargeability were significantly enhanced.

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期刊信息
  • 《金属功能材料》
  • 中国科技核心期刊
  • 主管单位:中国钢铁工业协会
  • 主办单位:中国钢研科技集团有限公司
  • 主编：赵栋梁
  • 地址：北京海淀区学院南路76号
  • 邮编：100081
  • 邮箱：MFM@chinamet.cn
  • 电话：010-62182270
  • 国际标准刊号：ISSN：1005-8192
  • 国内统一刊号：ISSN：11-3521/TG
  • 邮发代号:18-244
  • 获奖情况:
  • 中国科技论文统计源期刊,中国科技期刊综合评价数据库来源期刊,中国科学引文数据统计源期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,中国中国科技核心期刊
  • 被引量:3505