Formation of hydrogen from oxidation of Mg, Mg alloys and mixture with Ni, Co, Cu and Fe in aqueous salt solutions

被引：57

作者：

Kravchenko, O. V. ^{[1
]}

Sevastyanova, L. G. ^{[1
]}

Urvanov, S. A. ^{[1
]}

Bulychev, B. M. ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119992, Russia

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2014年 / 39卷 / 11期

基金：

俄罗斯基础研究基金会;

关键词：

Hydrogen production; Oxidation of Mg; Elements of VIII XI groups; Alloys; Mechanochemistry; Aqueous salt solutions; ALUMINUM; WATER; ACTIVATION;

D O I：

10.1016/j.ijhydene.2014.01.181

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：

We have investigated the oxidation processes of Mg, Mg alloys with Ni, Co, Cu and powdered mixtures of these metals obtained from mechanical treatment of individual components in orbital mill, in aqueous solutions of alkali and alkaline earth metals. It was demonstrated that nearly stoichiometric amount of hydrogen in respect to Mg can be obtained at production rates of up to 640 mL/g mm by oxidation of Mg Co alloy or mechanically processed Mg Co powder ("mechanical alloy") in aqueous solutions of Na or K chlorides. Activator metals are not oxidized during this reaction. It is assumed that Mg oxidation is similar to the electrochemical corrosion process. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：5522 / 5527

页数：6

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