研究论文

B和C对Li-N-H络合氢化物储氢性能的影响

  • 刘奕新 ,
  • 杨书全 ,
  • 张丹丹 ,
  • 黎光旭 ,
  • 韦文楼 ,
  • 郭 进
展开
  • 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, 南宁 530004

收稿日期: 2008-10-06

  修回日期: 2008-12-03

  网络出版日期: 2009-07-20

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

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

Received date: 2008-10-06

  Revised date: 2008-12-03

  Online published: 2009-07-20

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.

本文引用格式

刘奕新 , 杨书全 , 张丹丹 , 黎光旭 , 韦文楼 , 郭 进 . B和C对Li-N-H络合氢化物储氢性能的影响[J]. 无机材料学报, 2009 , 24(4) : 813 -816 . DOI: 10.3724/SP.J.1077.2009.00813

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.

参考文献

[1]Chen P, Xiong Z T, Luo J Z, et al. Nature, 2002, 420: 302-304.
[2]Yao J H, Shang C, AgueyZinsou K F, et al. J. Alloys Compd., 2007, 432(1/2): 277-282.
[3]Isobe S, Ichikawa T, Hanada N, et al. J. Alloys Compd., 2005, 404-406(1/2): 439-442.
[4]Ichikawa T, Hanada N, Isobe S, et al. J. Alloys Compd., 2005, 404-406(1/2):435-438.
[5]Hu Yun Hang,Ruckenstein Eli. J. Phys. Chem. A, 2003, 107(46): 9737-9739.
[6]Ichikawa T, Isobe S, Hanada N, et al. J. Alloys Compd., 2004, 365(1/2):271-276.
[7]Ichikawa T, Hanada N, Isobe S, et al. Mater. Trans., 2005, 46(1):1-14.
[8]Materials Data JADE Release 5, XRD pattern processing, Materials Data Inc., Livermore, CA, 1999.
[9]Pinkerton F E. J. Alloys Compd., 2005,400(1/2):76-82.
文章导航

/