Phase and morphology evolution study of ball milled Mg-Co hydrogen storage alloys

被引：39
|
作者：
Shao, Huaiyu [1 ,2 ]
Matsuda, Junko [1 ]
Li, Hai-Wen [1 ,3 ]
Akiba, Etsuo [1 ,2 ,3 ,4 ]
Jain, Ankur [5 ]
Ichikawa, Takayuki [5 ]
Kojima, Yoshitsugu [5 ]
机构：
[1] Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI I2CNER, Fukuoka 8190395, Japan
[2] Natl Inst Adv Ind Sci & Technol, Energy Technol Res Inst, Tsukuba, Ibaraki 3058565, Japan
[3] Kyushu Univ, Int Res Ctr Hydrogen Energy, Fukuoka 8190395, Japan
[4] Kyushu Univ, Dept Mech Engn, Fac Engn, Fukuoka 8190395, Japan
[5] Hiroshima Univ, Inst Adv Mat Res, Higashihiroshima 7398530, Japan
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2013年 / 38卷 / 17期
基金：
日本学术振兴会;
关键词：
Ball milling; Scanning electron microscope (SEM); Phase and morphology; Hydrogen storage; Magnesium alloys; HYDRIDING/DEHYDRIDING BEHAVIOR; NI; STABILITY; MG2CO; ZN;
D O I：
10.1016/j.ijhydene.2013.04.026
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：
Ball milled Mg-Co alloys with body-centered cubic structure (BCC) may absorb hydrogen at 258 K with a hydrogen capacity around 3 mass%. The phase and morphology evolution process of Mg50Co50 alloys ball milled for 0.5 h-400 h was studied by X-ray diffraction and scanning electron microscope. The formation mechanism of the Mg50Co50 alloys was clarified. Mg50Co50 alloys ball milled for various durations were found to present different hydrogen storage properties which could result from the phase and morphology difference in these samples. Copyright (c) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：7070 / 7076
页数：7
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