Hydrogen sorption desorption characteristics of mixed and composite Ni-TiN nanoparticles

被引：13
作者：
Sakka, Y
Ohno, S
机构：
[1] Natl. Research Institute for Metals, Tsukuba, Ibaraki 305, 1-2-1, Sengen
来源：
NANOSTRUCTURED MATERIALS | 1996年 / 7卷 / 03期
关键词：
D O I：
10.1016/0965-9773(96)00007-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mixed and composite Ni-TiN nanoparticles were prepared by an active plasma-metal reaction method. Homogeneous distribution of spherical Ni and cubical TiN nanoparticles is observed for the mixed Ni-TiN nanoparticles. Dumbbell-like morphology is seen for the composite Ni-TiN nanoparticles. Good thermal stability of both nanoparticles is confirmed. Hydrogen sorption-desorption characteristics of the nanoparticles were examined by temperature-programmed desorption measurements. Hydrogen desorption at 620-680 K is observed for the composite Ni-TiN nanoparticles, that is considered to be due to the spillover hydrogen. Effect of CO coadsorption on the hydrogen desorption is also examined and new adsorption states are suggested.
引用
收藏
页码：341 / 353
页数：13
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