节点文献

B和C对Li-N-H络合氢化物储氢性能的影响

Effects of B and C on Hydrogen Storage Properties of Li-N-H Complex Hydrides

  • 推荐 CAJ下载
  • PDF下载
  • 不支持迅雷等下载工具,请取消加速工具后下载。

【作者】 刘奕新杨书全张丹丹黎光旭韦文楼郭进

【Author】 LIU Yi-Xin,YANG Shu-Quan,ZHANG Dan-Dan,LI Guang-Xu,WEI Wen-Lou,GUO Jin(College of Physical Science and Technology,Key Laboratory of National Education Ministry for Nonferrous Metals and Materials Processing Technology,Guangxi University,Nanning 530004,China)

【机构】 广西大学物理科学与工程技术学院,教育部有色金属材料及其加工新技术重点实验室

【摘要】 利用机械合金化方法制备了Li-N-H络合氢化物,并研究B、C作为催化剂对其储氢性能的影响.结果表明:LiNH2、Li2NH为Li-N-H络合氢化物的主要储氢相,随B的加入,储氢相的非晶化程度提高.虽然B、C的添加均使储氢量下降,但n(B)∶n(C)=1∶2的混合添加提高了有效储氢量,同时也提高吸放氢动力学性能;B的添加可有效降低可逆吸放氢温度,适当增加球磨时间,有利于提高可逆吸放氢量.

【Abstract】 Li-N-H complex hydrides were prepared by mechanical alloying and the effects of B and C as catalyst on hydrogen storage properties were investigated. The results show that LiNH2 and Li2NH are the main phases in Li-N-H complex hydrides and the amorphous degree of the main phases increase with B element added. Although the hydrogen storage capacity decrease with B and C element added,the effective hydrogen storage capacity increase and the kinetic properties of hydrogen absorption/desorption can be improved when the adding n(B)∶n(C)=1∶2. The hydrogen absorption/desorption temperature can be decreased effectively with adding B. The reversible hydrogen absorption/desorption capacity can also be improved with milling time prolonging.

【基金】 国家自然科学基金(50861003);广西自然科学基金(桂科自0728028);广西大学科研重点(2004ZD04);广西教育厅科研项目(桂教科研[2006]26-8)
  • 【文献出处】 无机材料学报 ,Journal of Inorganic Materials , 编辑部邮箱 ,2009年04期
  • 【分类号】TG139.7
  • 【被引频次】2
  • 【下载频次】115
节点文献中: 

本文链接的文献网络图示:

本文的引文网络