A 70 MPa hydrogen-compression system using metal hydrides

被引：63
作者：
Wang, Xinhua [1 ]
Liu, Haizhen [1 ]
Li, Hui [1 ]
机构：
[1] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2011年 / 36卷 / 15期
关键词：
Hydrogen storage materials; Hydrides; Hydrogen storage properties; Hydrogen compressor; ALLOYS;
D O I：
10.1016/j.ijhydene.2011.04.193
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：
The objective of this work was to develop a 70 MPa hydride-based hydrogen compression system. Two-stage compression was adopted with AB(2) type alloys as the compression alloys. Ti(0.95)Zr(0.05)Cr(0.8)Mn(0.8)V(0.2)Ni(0.2) and Ti(0.8)Zr(0.2)Cr(0.95)Fe(0.95)V(0.1) alloys were developed for the compression system. With these two alloys, a 70 MPa two-stage hydride-based hydrogen compression system was designed and built with hot oil as the heat source, and composite materials formed by mixing hydrogen storage alloys with Al fiber were used to prevent hydride bed compaction and to prevent strain accumulation. The experimental results showed that Ti(0.95)Zr(0.05)Cr(0.8)Mn(0.8)V(0.2)Ni(0.2) and Ti(0.8)Zr(0.2)Cr(0.95)Fe(0.95)V(0.1) alloys could well meet the requirements of compression system. Composite materials formed by mixing hydrogen storage alloys with Al fiber were an effective way to prevent strain accumulation for hydride compression. With cold oil (298 K) and hot oil (423 K) as the cooling and heating sources, the built compression system could convert hydrogen pressure from around 4.0 MPa to over 70 MPa. Copyright (c) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：9079 / 9085
页数：7
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