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化学进展 2010, Vol. 22 Issue (01): 241-247 前一篇   后一篇

• 综述与评论 •

孔性介质负载下的络合氢化物及其储氢特性*

李永涛1;周广有1;方方1;陈国荣1;桑革2;孙大林1**   

  1. ( 1. 复旦大学材料科学系  上海 200433；2. 中国工程物理研究院  绵阳 621900 )
  • 收稿日期:2009-02-16 修回日期:2009-03-09 出版日期:2010-01-24 发布日期:2010-01-07
  • 通讯作者: 孙大林 E-mail:dlsun@fudan.edu.cn
  • 基金资助:

    国家自然科学基金

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Hydrogen Storage Properties of Complex Hydrides Loaded in Porous Materials

Li Yongtao1;  Zhou Guangyou1;  Fang Fang1;  Chen Guorong1;  Sang Ge2;  Sun Dalin1**   

  1. (1. Department of Materials Science, Fudan University, Shanghai 200433, China; 2. China Academy of Engineering Physics, Mianyang 621900, China)
  • Received:2009-02-16 Revised:2009-03-09 Online:2010-01-24 Published:2010-01-07
  • Contact: Sun Dalin E-mail:dlsun@fudan.edu.cn
  • Supported by:

    National Natural Science Foundation of China

络合氢化物具有较高的重量储氢密度，已成为国内外研究的热点。孔性介质由于高比表面积、孔径均匀可调以及良好热稳定性而备受关注。研究表明，实现孔性介质负载的络合氢化物可有效地改善其储氢性能。本文简述了孔性介质的结构特征和物化特性，着重阐述了孔性介质负载催化络合氢化物的制备方法、脱/加氢性能的影响及其催化机理的研究进展，并指出了需要研究的科学问题。

关键词： 孔性介质, 络合氢化物, 纳米尺度化, 脱/加氢性能

Complex hydrides have been extensively studied because of their higher gravimetric hydrogen density than that of conventional metal hydrides. It has been found that an improved hydrogen storage property is obtained by loading complex hydrides into porous materials which have attracted much attention owing to their high specific surface area, uniform and controllable pore diameter and good thermostability. This paper begins with a brief introduction to the structural characteristics and physical and chemical properties of porous materials, and then the advances in the study of complex hydrides incorporated into porous materials, including preparation methods, catalytic effect and mechanism on the dehydrogenation/rehydrogenation performance, are outlined. The key issues needed to be solved are discussed.

Contents
1 Introduction
2 Structural characteristics and physical and chemical properties of porous materials
3 Complex hydrides loaded into porous materials
3.1 Methods to load complex hydrides into porous materials
3.2 Dehydrogenation/rehydrogenation performance of complex hydrides loaded into porous materials
3.3 Catalytic mechanisms of complex hydrides loaded into porous materials
4 Summary and outlook

Key words: porous materials, complex hydrides, nano-scale adjustment, dehydrogenation/ rehydrogenation properties

中图分类号: 

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