Hydrogen storage material of LaMg11.5Ni0.5 prepared by hydriding combustion synthesis followed by mechanical milling

Hao Gu; Yunfeng Zhu; Liquan Li

Hydrogen storage material of LaMg_11.5Ni_0.5 prepared by hydriding combustion synthesis followed by mechanical milling

Hao Gu, Yunfeng Zhu, Liquan Li

College of Materials Science and Engineering

Nanjing Tech University

Research output: Contribution to journal › Article › peer-review

Abstract

In this paper, LaMg_11.5Ni_0.5 ternary hydrogen storage materials were prepared by hydriding combustion synthesis combined with mechanical milling (HCS+MM). The product consists of MgH₂, Mg, Mg₂NiH₄, Mg₂NiH_0.3, LaH₂ and a little LaNi₅H_0.3. When the product of hydriding combustion synthesis is milled for 20h, it absorbs hydrogen with absorption capacity of 3.42% at 423K in 100 s, and desorption capacity of 3.29% at 523K in 1800s. Results show that the hydrogen desorption at 523K is controlled by phase boundary reaction mechanism.

Original language	English
Pages (from-to)	104-107
Number of pages	4
Journal	Fenmo Yejin Jishu/Powder Metallurgy Technology
Volume	27
Issue number	2
State	Published - Apr 2009

Keywords

Hydriding combustion synthesis
Hydrogen storage material
Hydrogen storage properties
Mechanical milling
Rare earths

Cite this

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title = "Hydrogen storage material of LaMg11.5Ni0.5 prepared by hydriding combustion synthesis followed by mechanical milling",

abstract = "In this paper, LaMg11.5Ni0.5 ternary hydrogen storage materials were prepared by hydriding combustion synthesis combined with mechanical milling (HCS+MM). The product consists of MgH2, Mg, Mg2NiH4, Mg2NiH0.3, LaH2 and a little LaNi5H0.3. When the product of hydriding combustion synthesis is milled for 20h, it absorbs hydrogen with absorption capacity of 3.42% at 423K in 100 s, and desorption capacity of 3.29% at 523K in 1800s. Results show that the hydrogen desorption at 523K is controlled by phase boundary reaction mechanism.",

keywords = "Hydriding combustion synthesis, Hydrogen storage material, Hydrogen storage properties, Mechanical milling, Rare earths",

author = "Hao Gu and Yunfeng Zhu and Liquan Li",

year = "2009",

month = apr,

language = "英语",

volume = "27",

pages = "104--107",

journal = "Fenmo Yejin Jishu/Powder Metallurgy Technology",

issn = "1001-3784",

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T1 - Hydrogen storage material of LaMg11.5Ni0.5 prepared by hydriding combustion synthesis followed by mechanical milling

AU - Gu, Hao

AU - Zhu, Yunfeng

AU - Li, Liquan

PY - 2009/4

Y1 - 2009/4

N2 - In this paper, LaMg11.5Ni0.5 ternary hydrogen storage materials were prepared by hydriding combustion synthesis combined with mechanical milling (HCS+MM). The product consists of MgH2, Mg, Mg2NiH4, Mg2NiH0.3, LaH2 and a little LaNi5H0.3. When the product of hydriding combustion synthesis is milled for 20h, it absorbs hydrogen with absorption capacity of 3.42% at 423K in 100 s, and desorption capacity of 3.29% at 523K in 1800s. Results show that the hydrogen desorption at 523K is controlled by phase boundary reaction mechanism.

AB - In this paper, LaMg11.5Ni0.5 ternary hydrogen storage materials were prepared by hydriding combustion synthesis combined with mechanical milling (HCS+MM). The product consists of MgH2, Mg, Mg2NiH4, Mg2NiH0.3, LaH2 and a little LaNi5H0.3. When the product of hydriding combustion synthesis is milled for 20h, it absorbs hydrogen with absorption capacity of 3.42% at 423K in 100 s, and desorption capacity of 3.29% at 523K in 1800s. Results show that the hydrogen desorption at 523K is controlled by phase boundary reaction mechanism.

KW - Hydriding combustion synthesis

KW - Hydrogen storage material

KW - Hydrogen storage properties

KW - Mechanical milling

KW - Rare earths

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AN - SCOPUS:66149175263

SN - 1001-3784

VL - 27

SP - 104

EP - 107

JO - Fenmo Yejin Jishu/Powder Metallurgy Technology

JF - Fenmo Yejin Jishu/Powder Metallurgy Technology

IS - 2

ER -

Hydrogen storage material of LaMg_11.5Ni_0.5 prepared by hydriding combustion synthesis followed by mechanical milling

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