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Electroassisted Propane Dehydrogenation at Low Temperatures : Far beyond the Equilibrium Limitation

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Title: Electroassisted Propane Dehydrogenation at Low Temperatures : Far beyond the Equilibrium Limitation
Authors: Zhang, Jianshuo Browse this author
Ma, Ruoyun Browse this author
Ham, Hyungwon Browse this author
Shimizu, Ken-ichi Browse this author →KAKEN DB
Furukawa, Shinya Browse this author →KAKEN DB
Keywords: electric field
propane dehydrogenation
intermetallic compounds
equilibrium limitation
Issue Date: 25-Oct-2021
Publisher: American Chemical Society
Journal Title: JACS Au
Volume: 1
Issue: 10
Start Page: 1688
End Page: 1693
Publisher DOI: 10.1021/jacsau.1c00287
Abstract: Propylene production by propane dehydrogenation (PDH) generally requires high temperatures due to thermodynamic equilibrium limitations. This study developed a novel type of catalytic system for low-temperature PDH by combining a surface protonics methodology with intermetallic active sites. By application of an electric current, the intermetallic Pt-In/TiO2 catalyst gave a propylene yield of 10.2% with high selectivity, even at 250 degrees C, where the thermodynamic equilibrium yield was only 0.15%. Electroassisted proton collisions with propane allowed an unusual reaction pathway for low-temperature PDH. Alloying of Pt with In drastically enhanced the activity and selectivity due to the increased electron density of Pt.
Type: article
Appears in Collections:触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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