Synthesis of magnesium alanate by ball milling MgH2 and AlCl3 mixtures

被引：4

作者：

He Li ^{[1
]}

Wang Shumao ^{[1
]}

Li Zhinian ^{[1
]}

Liu Xiaopeng ^{[1
]}

Jiang Lijun ^{[1
]}

机构：

[1] Gen Res Inst Nonferrous Met, Dept Energy Mat & Technol, Beijing 100088, Peoples R China

来源：

RARE METALS | 2011年 / 30卷

关键词：

magnesium alanate; ball milling; synthesis; MECHANOCHEMICAL ACTIVATION; HYDRIDE; MG(ALH4)(2);

D O I：

10.1007/s12598-011-0237-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnesium alanates are potential hydrogen storage materials for PEM fuel cell applications. The method to synthesis the magnesium alanate was presented by ball milling MgH2 and AlCl3 mixtures. Several ball-milling conditions, such as milling temperature, ratio of the mixture, were studied upon MgH2 and AlCl3 mixtures. The IR spectrum of the low temperature ball-milling mixtures exhibits a typical absorption band of a hydride phase containing the AlH4-1 anion. The DSC plots from ball-milling mixtures exhibit two exothermic and endothermic peaks and are attributed to the decomposition of the synthesized compounds and the overplus of MgH2. The thermolysis accompanies with hydrogen gas evolution.

引用

页码：55 / 58

页数：4

共 13 条

[1] Fuel economy of hybrid fuel-cell vehicles [J].

Ahluwalia, RK ;

Wang, X ;

Rousseau, A .

JOURNAL OF POWER SOURCES, 2005, 152 (01) :233-244

[2] Fuel economy of hydrogen fuel cell vehicles [J].

Ahluwalia, RK ;

Wang, X ;

Rousseau, A ;

Kumar, R .

JOURNAL OF POWER SOURCES, 2004, 130 (1-2) :192-201

[3] CONCERNING PREPARATION OF MAGNESIUM ALUMINUM HYDRIDE . A STUDY OF REACTIONS OF LITHIUM AND SODIUM ALUMINUM HYDRIDES WITH MAGNESIUM HALIDES IN ETHER SOLVENTS [J].

ASHBY, EC ;

SCHWARTZ, RD ;

JAMES, BD .

INORGANIC CHEMISTRY, 1970, 9 (02) :325-&

[4] Solid-phase solvate-free formation of magnesium hydroaluminates Mg(AlH4)2 and MgAlH5 upon mechanochemical activation or heating of magnesium hydride and aluminum chloride mixtures [J].

Dymova, TN ;

Mal'tseva, NN ;

Konoplev, VN ;

Golovanova, AI ;

Aleksandrov, DP ;

Sizareva, AS .

RUSSIAN JOURNAL OF COORDINATION CHEMISTRY, 2003, 29 (06) :385-389

[5] Magnesium alanate - a material for reversible hydrogen storage? [J].

Fichtner, M ;

Fuhr, O ;

Kircher, O .

JOURNAL OF ALLOYS AND COMPOUNDS, 2003, 356 :418-422

[6] Synthesis and structures of magnesium alanate and two solvent adducts [J].

Fichtner, M ;

Fuhr, O .

JOURNAL OF ALLOYS AND COMPOUNDS, 2002, 345 (1-2) :286-296

[7] Kinetically stabilized hydrogen storage materials [J].

Graetz, Jason ;

Reilly, James J. .

SCRIPTA MATERIALIA, 2007, 56 (10) :835-839

[8] Mechanochemical synthesis and thermal decomposition of Mg(AlH4)2 [J].

Kim, Yoonyoung ;

Lee, Eung-Kyu ;

Shim, Jae-Hyeok ;

Cho, Young Whan ;

Yoon, Kyung Byung .

JOURNAL OF ALLOYS AND COMPOUNDS, 2006, 422 (1-2) :283-287

[9] Mechanochemical preparation and investigation of properties of magnesium, calcium and lithium-magnesium alanates [J].

Mamatha, A ;

Bogdanovic, B ;

Felderhoff, M ;

Pommerin, A ;

Schmidt, W ;

Schüth, F ;

Weidenthaler, C .

JOURNAL OF ALLOYS AND COMPOUNDS, 2006, 407 (1-2) :78-86

[10] Mechano-chemical activation synthesis (MCAS) of nanocrystalline magnesium alanate hydride [Mg(AlH4)2] and its hydrogen desorption properties [J].

Varin, R. A. ;

Chiu, Ch. ;

Czujko, T. ;

Wronski, Z. .

JOURNAL OF ALLOYS AND COMPOUNDS, 2007, 439 (1-2) :302-311

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