The effects of Co and Ni addition on the hydrogen storage properties of Mg3Mm

L. Z. Ouyang; L. Yao; Xusheng Yang; L. Q. Li; M. Zhu

doi:10.1016/j.ijhydene.2009.12.018

The effects of Co and Ni addition on the hydrogen storage properties of Mg₃Mm

L. Z. Ouyang
, L. Yao
, Xusheng Yang
, L. Q. Li
, M. Zhu

Research output: Journal article publication › Journal article › Academic research › peer-review

25 Citations (Scopus)

Abstract

The effects of Ni and Co addition on the hydrogen storage properties of Mg3Mm alloy was studied by X-ray diffraction (XRD), scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDX) and pressure-composition isotherm (PCI) measurement. The hydrogen absorption kinetics and the thermodynamic parameters (apparent ΔH, ΔS) for Mg3Mm dehydrogenation reactions in Mg3Mm, Mg3MmNi0.1and Mg3MmNi0.1Co0.1alloys have been also investigated. The maximum hydrogen storage content of Mg3Mm, Mg3MmNi0.1and Mg3MmNi0.1Co0.1alloys was improved due to that the addition of Ni and/or Co further spurred the MmH3phase transforming to MmH2phase. On the other side, the kinetics curves show the addition of Co could enhance hydrogen absorption rate while the addition of Ni change the hydrogenation reaction mechanism.

Original language	English
Pages (from-to)	8275-8280
Number of pages	6
Journal	International Journal of Hydrogen Energy
Volume	35
Issue number	15
DOIs	https://doi.org/10.1016/j.ijhydene.2009.12.018
Publication status	Published - 1 Aug 2010
Externally published	Yes

UN SDGs

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

SDG 7 Affordable and Clean Energy

Keywords

Kinetics
Magnesium-based hydrogen storage materials
Rare-earth
Thermodynamics

ASJC Scopus subject areas

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

More information

10.1016/j.ijhydene.2009.12.018

Cite this

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title = "The effects of Co and Ni addition on the hydrogen storage properties of Mg3Mm",

abstract = "The effects of Ni and Co addition on the hydrogen storage properties of Mg3Mm alloy was studied by X-ray diffraction (XRD), scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDX) and pressure-composition isotherm (PCI) measurement. The hydrogen absorption kinetics and the thermodynamic parameters (apparent ΔH, ΔS) for Mg3Mm dehydrogenation reactions in Mg3Mm, Mg3MmNi0.1and Mg3MmNi0.1Co0.1alloys have been also investigated. The maximum hydrogen storage content of Mg3Mm, Mg3MmNi0.1and Mg3MmNi0.1Co0.1alloys was improved due to that the addition of Ni and/or Co further spurred the MmH3phase transforming to MmH2phase. On the other side, the kinetics curves show the addition of Co could enhance hydrogen absorption rate while the addition of Ni change the hydrogenation reaction mechanism.",

keywords = "Kinetics, Magnesium-based hydrogen storage materials, Rare-earth, Thermodynamics",

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AU - Ouyang, L. Z.

AU - Yao, L.

AU - Yang, Xusheng

AU - Li, L. Q.

AU - Zhu, M.

PY - 2010/8/1

Y1 - 2010/8/1

N2 - The effects of Ni and Co addition on the hydrogen storage properties of Mg3Mm alloy was studied by X-ray diffraction (XRD), scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDX) and pressure-composition isotherm (PCI) measurement. The hydrogen absorption kinetics and the thermodynamic parameters (apparent ΔH, ΔS) for Mg3Mm dehydrogenation reactions in Mg3Mm, Mg3MmNi0.1and Mg3MmNi0.1Co0.1alloys have been also investigated. The maximum hydrogen storage content of Mg3Mm, Mg3MmNi0.1and Mg3MmNi0.1Co0.1alloys was improved due to that the addition of Ni and/or Co further spurred the MmH3phase transforming to MmH2phase. On the other side, the kinetics curves show the addition of Co could enhance hydrogen absorption rate while the addition of Ni change the hydrogenation reaction mechanism.

AB - The effects of Ni and Co addition on the hydrogen storage properties of Mg3Mm alloy was studied by X-ray diffraction (XRD), scanning electron microscope (SEM), energy dispersive X-ray spectroscopy (EDX) and pressure-composition isotherm (PCI) measurement. The hydrogen absorption kinetics and the thermodynamic parameters (apparent ΔH, ΔS) for Mg3Mm dehydrogenation reactions in Mg3Mm, Mg3MmNi0.1and Mg3MmNi0.1Co0.1alloys have been also investigated. The maximum hydrogen storage content of Mg3Mm, Mg3MmNi0.1and Mg3MmNi0.1Co0.1alloys was improved due to that the addition of Ni and/or Co further spurred the MmH3phase transforming to MmH2phase. On the other side, the kinetics curves show the addition of Co could enhance hydrogen absorption rate while the addition of Ni change the hydrogenation reaction mechanism.

KW - Kinetics

KW - Magnesium-based hydrogen storage materials

KW - Rare-earth

KW - Thermodynamics

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DO - 10.1016/j.ijhydene.2009.12.018

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