Low temperature hydrogen production by catalytic steam reforming of methane in an electric field

Kazumasa Oshima, Tatsuya Shinagawa, Masayuki Haraguchi, Yasushi Sekine*

*この研究の対応する著者

研究成果: Article査読

45 被引用数 (Scopus)

抄録

Catalytic steam reforming of methane in an electric field (electroreforming) at low temperatures such as 423 K was investigated. Pt catalysts supported on CeO2, CexZr1-xO 2 solid solution and a physical mixture of CeO2 and other insulators (ZrO2, Al2O3 or SiO2) were used for electroreforming. Among these catalysts, Pt catalyst supported on CexZr1-xO2 solid solution showed the highest activity for electroreforming (CH4 conv. = 40.6% at 535.1 K). Results show that the interaction among the electrons, metal loading, and catalyst support was important for high catalytic activity on the electroreforming. Catalytic activity of the electroreforming increased in direct relation to the input current. Characterizations using X-ray diffraction (XRD), temperature programmed reduction with H2 (H2-TPR), and alternate current (AC) impedance measurement show that the catalyst structure is an important factor for activity of electroreforming.

本文言語English
ページ(範囲)3003-3011
ページ数9
ジャーナルInternational Journal of Hydrogen Energy
38
7
DOI
出版ステータスPublished - 2013 3月 7

ASJC Scopus subject areas

  • 再生可能エネルギー、持続可能性、環境
  • 燃料技術
  • 凝縮系物理学
  • エネルギー工学および電力技術

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