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Ti基添加剂对Mg2FeH6放氢性能的影响（英文）
  • ISSN号：1003-6326
  • 期刊名称：《中国有色金属学报：英文版》
  • 时间：0
  • 分类：TB34[一般工业技术—材料科学与工程]
  • 作者机构：浙江大学材料科学与工程学院硅材料国家重点实验室浙江省电池新材料与应用技术研究重点实验室
  • 相关基金：Project(2010CB631300)supported by the National Basic Research Program of China;Project(2012AA051503)supported by the National High Technology Research&Development Program of China;Projects(51001090,51171173)supported by the National Natural Science Foundation of China;Project(IRT13037)supported by the Program for Innovative Research Team in University of Ministry of Education of China
作者： 徐晨晨, 肖学章, 邵杰, 刘朗夏, 秦腾, 陈立新
关键词： Mg2FeH6, Ti基添加剂, 放氢性能, 动力学
中文摘要：

结合球磨和热处理制备掺杂Ti,TiMn2和TiAl的Mg2FeH6样品,并系统研究这些添加剂对Mg2FeH6样品放氢行为的影响。研究结果表明:所有添加剂都能够在一定程度上改善Mg2FeH6的放氢性能,特别是TiMn2对Mg2FeH6的放氢动力学性能改善效果显著。根据Kissinger方程计算出掺杂TiMn2的Mg2FeH6样品的放氢活化能为94.87 k J/mol,与未掺杂的Mg2FeH6样品相比,降低了28 kJ/mol。另外,掺杂TiMn2的Mg2FeH6样品在循环测试过程中仍具有良好的放氢性能改善效果。

英文摘要：

Mg2FeH6 doped with and without Ti and its alloys (TiMn2, TiAl) were prepared combing ball milling and heat treatment. The effects of these additives on the dehydrogenation performance of Mg2FeH6 were studied systematically. The results show that all additives have favor influence on improving the hydrogen desorption property of Mg2FeH6. Especially, TiMn2 exhibits prominent effect on enhancing the dehydrogenation kinetics of Mg2FeH6. Moreover, the activation energy of TiMn2-doped Mg2FeH6 calculated by Kissinger equation is 94.87 kJ/mol, which is 28 kJ/mol lower than that of the undoped Mg2FeH6. The cycling tests suggest that the improved dehydrogenation kinetics of Mg2FeH6 doped by TiMn2 can maintain in the second cycle.

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期刊信息
  • 《中国有色金属学报：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国有色金属学会
  • 主编：黄伯云
  • 地址：中国长沙中南大学
  • 邮编：410083
  • 邮箱：f-xsxb@csu.edu.cn
  • 电话：0731-88830949
  • 国际标准刊号：ISSN：1003-6326
  • 国内统一刊号：ISSN：43-1239/TG
  • 邮发代号:42-317
  • 获奖情况:
  • 国家“双百”期刊,第二届全国优秀科技期刊评比二等奖,中国有色金属工业总公司优秀科技期刊一等奖
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  • 被引量:1159