Hydrogen Storage of Pd/Mg composite Nanoparticles Fabricated by Gas Evaporation Method

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  • Ogawa Satoshi
    Department of Materials, Physics and Energy Engineering, Graduate School of Engineering, Nagoya University
  • Suzuki Hiroyuki
    Physical Science and Engineering, School of Engineering, Nagoya University
  • Tsukada Chie
    Institute of Materials and Systems for Sustainbility (IMaSS), Nagoya University
  • Yoshida Tomoko
    The OCU Advanced Research Institute for Natural Science Technology, Osaka City University
  • Yagi Shinya
    Department of Materials, Physics and Energy Engineering, Graduate School of Engineering, Nagoya University Institute of Materials and Systems for Sustainbility (IMaSS), Nagoya University

Description

Mg nanoparticles covered with the Pd nanoparticles (Pd/Mg NPs) have been fabricated by the gas evaporation method using He gas. The coaxial formation of the Mg and Pd NPs enables to fabricate the Pd/Mg NPs. The surfaces of the Pd and Mg NPs are quite clean because only pure He gas has been used during the fabrication of the NPs. The surface and interface chemical states of the Pd/Mg NPs have been investigated by X-ray photoelectron spectroscopy (XPS) without the exposure to the air. The XPS investigation has revealed that the formation of the interfacial alloy state between the Mg and Pd NPs. The Pd/Mg NPs can absorb the hydrogen at the room temperature by the hydrogenation of the most of the Mg atoms inside the Pd/Mg NPs. [DOI: 10.1380/ejssnt.2016.150]

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