Enhancement of cerium and hydrogen storage property of a low-cost Ti-V based BCC alloy prepared by commercial ferrovanadium

被引：20

作者：

Mi Jing ^{[1
]}

Lue Fang ^{[1
]}

Liu Xiaopeng ^{[1
]}

Jiang Lijun ^{[1
]}

Li Zhinian ^{[1
]}

Wang Shumao ^{[1
]}

机构：

[1] Gen Res Inst NonFerrous Met, Energy Mat & Technol Res Dept, Beijing 100088, Peoples R China

来源：

JOURNAL OF RARE EARTHS | 2010年 / 28卷 / 05期

关键词：

hydrogen storage materials; low cast alloy; BCC alloy; rare earths; ABSORPTION PROPERTIES; FE ADDITION; MICROSTRUCTURE; PERFORMANCE; KINETICS;

D O I：

10.1016/S1002-0721(09)60200-3

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Based on the analysis of XRD, SEM, P-C-isotherm measurements and absorption kinetics simulation, it was indicated that Ce addition was an effective way to inhibit the formation of C14 Laves phase, improve flatness of the plateau, increase hydrogen diffusion rate and enlarge hydrogen storage capacity. The hydrogenation capacity of Ti27.25Cr28.05V37.25Fe7.45Ce1.0 alloy prepared by commercial ferrovanadium was 3.56 wt.% measured at 298 K. The dehydrogenation capacity was 2.25 wt.% and 2.54 wt.% measured at 343 K and 453 K, respectively.

引用

页码：781 / 784

页数：4

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