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储氢材料85Mg10C4Ni1Al的制备及性能研究

Preparation of 85Mg10C4Ni1Al hydrogen-storage material and its hydrogenation properties

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【作者】 卢国俭周仕学马怀营谭琦于小翠

【Author】 LU Guo-jian1,2,ZHOU Shi-xue1,MA Huai-ying1,TAN Qi1,YU Xiao-cui1(1.College of Chemical and Environmental Engineering,Shandong University of Science and Technology,Qingdao 266510,China;2.Lianyungang Teachers College,Lianyungang 222006,China)

【机构】 山东科技大学化学与环境工程学院山东科技大学化学与环境工程学院 山东青岛266510连云港师范高等专科学校江苏连云港222006山东青岛266510

【摘要】 在Mg粉中添加微晶碳及少量Ni和Al,用机械力化学法氢气反应球磨制备储氢材料。球磨2~3 h即可使Mg完成氢化,Ni和Al的添加可提高储氢密度,降低初始放氢温度和放氢高峰温度,加快放氢速度。储氢材料85Mg10C4Ni1Al的粒度约为100~300 nm,其储氢密度达6.0%,初始放氢温度仅220℃,与传统Mg基储氢材料相比其储氢性能有较大改善。

【Abstract】 A hydrogen-storage material is prepared from magnesium and crystallite carbon and a small amount of Ni and Al by reaction ball milling under hydrogen atmosphere.The hydriding can be completed within 2 to 3 hours of ball milling.The hydrogen capacity can be increased,the initial dehydriding temperature and maximum dehydriding temperature be decreased,and the dehydriding rate can be increased by the addition of Ni and Al.For hydrogen-storage material 85Mg10C4Ni1Al,the particle size is about 100 to 300 nm,its hydrogen-storage capacity is up to 6.0 wt.%,and its initial dehydriding temperature is only 220℃.Its hydrogen-storage properties are much more excellent than traditional Mg-based materials.

【关键词】 储氢材料微晶碳催化
【Key words】 hydrogen storage materialmagnesiumcrystallite carboncatalysis
【基金】 国家自然科学基金项目(50574054);教育部留学回国人员科研基金项目(2005-383)
  • 【文献出处】 现代化工 ,Modern Chemical Industry , 编辑部邮箱 ,2007年09期
  • 【分类号】TB34
  • 【被引频次】3
  • 【下载频次】274
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