Experimental and Theoretical Studies of Hydrogen/Deuterium Spillover on Pt-Loaded Zeolite-Templated Carbon

DOI Web Site 被引用文献11件 参考文献60件
  • Hirotomo Nishihara
    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
  • Somlak Ittisanronnachai
    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
  • Hiroyuki Itoi
    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
  • Li-Xiang Li
    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
  • Kimichi Suzuki
    Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology, Ibaraki 305-8568, Japan
  • Umpei Nagashima
    Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology, Ibaraki 305-8568, Japan
  • Hiroshi Ogawa
    Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology, Ibaraki 305-8568, Japan
  • Takashi Kyotani
    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
  • Masashi Ito
    Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan

書誌事項

公開日
2014-04-25
資源種別
journal article
DOI
  • 10.1021/jp5016802
公開者
American Chemical Society (ACS)

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説明

Hydrogen storage in metal-doped carbons through a spillover mechanism has attracted a great attention. However, the data reported so far are lacking in consistency among different research groups, and the mechanism has not been fully revealed yet. In this work, we prepare a model Pt-loaded carbon by a simple and reproducible method in which already-synthesized Pt-nanocolloid is directly doped on zeolite-templated carbon. The Pt-loaded carbon thus obtained provides reliable data as for the temperature effects (273–353 K) on hydrogen/deuterium (H/D) adsorption isotherms, which contain the contributions of H2/D2 physisorption, H/D chemisorption on Pt surface, and H/D storage by the spillover mechanism. We extracted the last contribution (spillover H/D) from the isotherms, and found that the amount of the spillover H/D increases with increasing pressure (up to 100 kPa) and temperature (273–353 K). Detailed analysis of the number of H/D atoms stored by the spillover mechanism reveals that H/D radicals spilling...

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