Hydrogen storage in boron nitride nanomaterials studied by TG/DTA and cluster calculation

被引：95

作者：

Oku, T ^{[1
]}

Kuno, M ^{[1
]}

Narita, C ^{[1
]}

机构：

[1] Osaka Univ, Inst Sci & Ind Res, Ibaraki, Osaka 5670047, Japan

来源：

JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS | 2004年 / 65卷 / 2-3期

关键词：

nanostructures; electron microscopy; microstructure;

D O I：

10.1016/j.jpcs.2003.10.033

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

BN nanotubes, nanocages and nanocapsules were synthesized from LaB6 and Pd with boron powder by using an arc melting method. Thermogravimetry/differential thermogravimetric analysis of BN nanomaterials produced from LaB6 and Pd/boron powder showed possibility of hydrogen storage of 1-3 wt%. Conditions of H-2 gas storage in B36N36 cluster, which was considered as a cap structure of B99N99 nanotube, were predicted by first principle single point energy calculations. H-2 molecules would be introduced from hexagonal rings of the cage structure. BN fullerene materials would store H-2 molecule easier than carbon fullerene materials, and its stability for high temperature would be good. (C) 2003 Elsevier Ltd. All rights reserved.

引用

页码：549 / 552

页数：4

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