化工进展

• 材料科学与技术 • 上一篇    下一篇

金属氢化物氢化/脱氢反应动力学测量技术研究进展

杨福胜,王玉琪,孟翔宇,花 磊,张早校   

  1. 西安交通大学能源与动力工程学院;西北大学化工学院
  • 出版日期:2009-01-05 发布日期:2009-01-05

Progress of experimental techniques for kinetic measurement of absorption/desorption in metal hydride system

YANG Fusheng,WANG Yuqi,MENG Xiangyu,HUA Lei,ZHANG Zaoxiao   

  1. School of Energy and Power Engineering,Xi’an Jiaotong University;School of Chemical Engineering,Northwest University
  • Online:2009-01-05 Published:2009-01-05

摘要: 金属氢化物是一种应用广泛的新兴功能材料,能够实现大量氢气的可逆吸放过程,相应的反应动力学研究是一个广受关注的热点问题。本文概述了测定金属氢化物反应动力学常用的各种实验技术,包括定容法和热分析法等,分析了不同实验系统测量误差的产生和消除,总结了各种技术的特点和不足,并对新技术的发展趋势进行了展望。

Abstract: Metal hydride is a kind of functional material widely used,which can reversibly absorb and desorb a large amount of hydrogen,and the reaction kinetics of the process has attracted many attentions. The paper reviews the various techniques commonly used in the kinetic measurement for metal hydrides,including volumetric method and thermal analysis method. Furthermore the production and elimination of the measurement errors are analyzed and the characteristics of the techniques are summarized,finally a forecast about the development of novel techniques is given.

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