Effect of CNT Addition on the Hydriding and Dehydriding Rates of Mg-Ni-Fe2O3 Alloy

被引：7

作者：

Song, Myoung Youp ^{[1
]}

Kwak, Young Jun ^{[2
]}

Lee, Byung-Soo ^{[3
]}

Park, Hye Ryoung ^{[4
]}

Kim, Byoung-Goan ^{[5
]}

机构：

[1] Chonbuk Natl Univ, Engn Res Inst, Res Ctr Adv Mat Dev, Div Adv Mat Engn,Dept Hydrogen & Fuel Cells, Jeonju 561756, Jeonbuk, South Korea

[2] Chonbuk Natl Univ, Grad Sch, Dept Mat Engn, Jeonju 561756, Jeonbuk, South Korea

[3] Chonbuk Natl Univ, Div Adv Mat Engn, Jeonju 561756, Jeonbuk, South Korea

[4] Chonnam Natl Univ, Sch Appl Chem Engn, Kwangju 500757, South Korea

[5] Korea Energy Mat Ltd, Taegu 704230, South Korea

来源：

KOREAN JOURNAL OF METALS AND MATERIALS | 2011年 / 49卷 / 12期

关键词：

hydrogen absorbing materials; mechanical alloying/milling; microstructure; X-ray diffraction; CNT addition; HYDROGEN STORAGE CHARACTERISTICS; MAGNESIUM; MG; NI; IMPROVEMENT; NICKEL; MIXTURES; GRAPHITE; KINETICS;

D O I：

10.3365/KJMM.2011.49.12.989

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Samples with compositions of 80 wt% Mg-14 wt% Ni-6 wt% Fe2O3 (named Mg-Ni-Fe2O3), and 78 wt% Mg-14 wt% Ni-6 wt% Fe2O3-2 wt% CNT (named Mg-Ni-Fe2O3-CNT) were prepared by reactive mechanical grinding. Hydriding and dehydriding properties and effects of CNT addition on the hydriding and dehydriding rates of Mg-Ni-Fe2O3 were then investigated. Activation of the Mg-14Ni-6Fe(2)O(3) sample was completed after three hydriding (under 12 bar H-2)-dehydriding (under 1.0 bar H-2) cycles at 573 K. The addition of CNT to the Mg-14Ni-6Fe(2)O(3) sample made the activation process unnecessary, with a small decrease in the hydrogen-storage capacity.

引用

页码：989 / 994

页数：6

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