High-performance boron-doped vanadium-aluminum alloy membranes for hydrogen separation

被引：8

作者：

Magnone, Edoardo ^{[1
]}

Jeon, Sung Il ^{[1
,2
]}

Park, Jung Hoon ^{[1
]}

Lee, Yong Taek ^{[2
]}

机构：

[1] Korea Inst Energy Res, Greenhouse Gas Ctr, Taejon 305343, South Korea

[2] Chungnarn Natl Univ, Dept Chem Engn, Taejon 305764, South Korea

来源：

MATERIALS LETTERS | 2012年 / 73卷

关键词：

Hydrogen separation; Vanadium; Vanadium alloy; Boron-doping; PERMEATION;

D O I：

10.1016/j.matlet.2011.12.093

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this letter, our aim is to explore the properties of a new class of high-performance membranes for hydrogen separation applications prepared from boron-doped vanadium-aluminum alloys. In particular, we present the first hydrogen permeation characteristics of Pd-coated V99.8-xAlxB0.2 (x = 0, 10) alloy membranes. Membranes have been investigated in the pressure range 1.5-3.0 bar under pure hydrogen and hydrogen-carbon dioxide gas mixture at 400 degrees C. Hydrogen flux is found on the order of 48 mL/min/cm(2) for a Pd-coated V99.8B0.2 alloy membrane (thickness: 0.5 mm) using pure hydrogen as the feed gas. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：47 / 49

页数：3

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