Demonstration of a single-stage metal hydride hydrogen compressor composed of BCC V40TiCr alloy

被引：12

作者：

Goshome, Kiyotaka ^{[1
]}

Endo, Naruki ^{[1
]}

Maeda, Tetsuhiko ^{[1
]}

机构：

[1] Natl Inst Adv Ind Sci & Technol, Renewable Energy Res Ctr, 2-2-9 Machiikedai, Koriyama, Fukushima 9630298, Japan

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2021年 / 46卷 / 55期

关键词：

Hydrogen storage alloy; Metal hydride hydrogen compressor; Heat-driven hydrogen compressor; Body-centered cubic alloys; Vanadium-based solid-solution; alloys; ABSORPTION-DESORPTION CYCLES; TI-CR ALLOYS; STORAGE PERFORMANCE; LIQUID-HYDROGEN; OPERATION; STATIONARY; STABILITY; BEHAVIOR; SCALE; LA;

D O I：

10.1016/j.ijhydene.2021.06.069

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：

In this study, demonstration of a one-stage metal hydride hydrogen compressor (MH compressor) by using a BCC alloy was performed. It was estimated that V40Ti22Cr38 could compress approximately 1.6 wt% of hydrogen from 1.0 to 10 MPa in 20-140 degrees C temperature range from equilibrium theory via pressure-composition-isotherm measurements. For demonstration of an actual MH compressor, a kg-scale experimental system was set up; V40Ti22Cr38 (1.4 kg) was introduced into a 1-inch cylindrical vessel with a heat-medium flow tube outside. As a result, 1.0 MPa of hydrogen can be compressed into the hydrogen cylinder at >10 MPa by hydrogen absorption at 10 degrees C and desorption at 160 degrees C for 30 min each (1 cycle/h) to achieve a compression rate of 0.23 Nm3/h and indicate the potential of the practical MH compressors by using BCC alloy. (c) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：28180 / 28190

页数：11

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