Cyclic stability test of AB2 type (Ti, Zr)(Ni, Mn, V, Fe)2.18 for stationary hydrogen storage in water contaminated hydrogen

被引：26

作者：

Maeda, Tetsuhiko ^{[1
]}

Fuura, Tatsuya ^{[2
]}

Matsumoto, Itoko ^{[1
]}

Kawakami, Yoshiaki ^{[3
]}

Masuda, Masao ^{[3
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Energy Technol Res Inst, Tsukuba, Ibaraki 3058564, Japan

[2] Japan Met & Chem Co Ltd, Yamagata, Japan

[3] Takasago Thermal Engn Co Ltd, Atsugi, Kanagawa, Japan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 580卷

关键词：

Metal hydride; Stationary hydrogen storage; Cyclic stability; Water contamination; ENERGY-UTILIZATION SYSTEM; METAL HYDRIDE; ALLOYS;

D O I：

10.1016/j.jallcom.2013.03.230

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Totalized Hydrogen Energy Utilization System (THEUS), which consists of fuel cells, water electrolyzers, hydrogen storage and their auxiliary components, is proposed for the stationary application. In the previous researches, mischmetal-based MmNi(5) compound was used for the stationary hydrogen storage in THEUS. However, the cost of mischmetal is so expensive that can be an obstacle to the practical use of THEUS. In addition, since THEUS utilizes hydrogen produced by water electrolysis, it is necessary to confirm the influence of the water contamination on the metal hydride reactivity. The samples were Ti-0.24-Zr0.76Ni1.2Mn0.64V0.14Fe0.18 (Sample A) and the sample with I at.%-La addition (Sample B). Using hydrogen including 40 ppm-water, hydrogen absorption and desorption was carried out 30 times. The degradation of hydrogen storage capacity was observed for Sample A while not observed for La-added Sample B. The results revealed that the addition of La improved cyclic stability against the water contamination. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：S255 / S258

页数：4

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