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

Huaiyu Shao; Junko Matsuda; Hai Wen Li; Etsuo Akiba; Ankur Jain; Takayuki Ichikawa; Yoshitsugu Kojima

doi:10.1016/j.ijhydene.2013.04.026

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

Huaiyu Shao, Junko Matsuda, Hai Wen Li, Etsuo Akiba, Ankur Jain, Takayuki Ichikawa, Yoshitsugu Kojima

Hydrogen Utilization Engineering

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

41 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	7070-7076
Number of pages	7
Journal	International Journal of Hydrogen Energy
Volume	38
Issue number	17
DOIs	https://doi.org/10.1016/j.ijhydene.2013.04.026
Publication status	Published - Jun 10 2013

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Fuel Technology
Condensed Matter Physics
Energy Engineering and Power Technology

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.ijhydene.2013.04.026

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title = "Phase and morphology evolution study of ball milled Mg-Co hydrogen storage alloys",

abstract = "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.",

author = "Huaiyu Shao and Junko Matsuda and Li, {Hai Wen} and Etsuo Akiba and Ankur Jain and Takayuki Ichikawa and Yoshitsugu Kojima",

note = "Funding Information: The authors acknowledge support from the International Institute for Carbon-Neutral Energy Research ( WPI-I2CNER ), which was established by the World Premier International Research Center Initiative (WPI), MEXT, Japan. This work was also supported in part by Japan Society for the Promotion of Science (JSPS) KAKENHI ( 23860034 , 07F07567 ). ",

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AU - Shao, Huaiyu

AU - Matsuda, Junko

AU - Li, Hai Wen

AU - Akiba, Etsuo

AU - Jain, Ankur

AU - Ichikawa, Takayuki

AU - Kojima, Yoshitsugu

N1 - Funding Information: The authors acknowledge support from the International Institute for Carbon-Neutral Energy Research ( WPI-I2CNER ), which was established by the World Premier International Research Center Initiative (WPI), MEXT, Japan. This work was also supported in part by Japan Society for the Promotion of Science (JSPS) KAKENHI ( 23860034 , 07F07567 ).

PY - 2013/6/10

Y1 - 2013/6/10

N2 - 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.

AB - 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.

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

Abstract

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