Steam reforming of dimethyl ether promoted by surface protonics in an electric field

Reona Inagaki, Ryo Manabe, Yudai Hisai, Yukiko Kamite, Tomohiro Yabe, Shuhei Ogo, Yasushi Sekine*

*この研究の対応する著者

研究成果: Article査読

22 被引用数 (Scopus)

抄録

The catalytic steam reforming of dimethyl ether (DME) in an electric field was carried out and the effects of proton hopping induced by the electric field on a Pd-supported CeO2 catalyst surface were investigated. The hydrolysis of DME was promoted even on Pd/CeO2 catalyst by the application of the electric field at low temperatures (in the range of 423–623 K), while the direct decomposition of DME was suppressed. The apparent activation energy in this temperature range was much lower with (17.2 kJ mol−1) than without (79.0 kJ mol−1) the electric field. Kinetic analyses demonstrated that the effect of the reactant partial pressures was also markedly different with and without the electric field. The effect of the partial pressure of water and electrochemical impedance spectra strongly suggest that surface proton hopping promotes the steam reforming of DME in an electric field at low temperatures.

本文言語English
ページ(範囲)14310-14318
ページ数9
ジャーナルInternational Journal of Hydrogen Energy
43
31
DOI
出版ステータスPublished - 2018 8月 2

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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