Support Effects on Catalysis of Low Temperature Methane Steam Reforming

Overview

Journal RSC Adv

Publisher Royal Society of Chemistry

Specialty Chemistry

Date 2022 May 6

PMID 35519772

Authors

Maki Torimoto

Shuhei Ogo

Yudai Hisai

Naoya Nakano

Ayako Takahashi

Quanbao Ma

Jeong Gil Seo

Hideaki Tsuneki

Truls Norby

Yasushi Sekine

Affiliations

Soon will be listed here.

Abstract

Low temperature (<500 K) methane steam reforming in an electric field was investigated over various catalysts. To elucidate the factors governing catalytic activity, activity tests and various characterization methods were conducted over various oxides including CeO, NbO, and TaO as supports. Activities of Pd catalysts loaded on these oxides showed the order of CeO > NbO > TaO Surface proton conductivity has a key role for the activation of methane in an electric field. Proton hopping ability on the oxide surface was estimated using electrochemical impedance measurements. Proton transport ability on the oxide surface at 473 K was in the order of CeO > NbO > TaO The OH group amounts on the oxide surface were evaluated by measuring pyridine adsorption with and without HO pretreatment. Results indicate that the surface OH group concentrations on the oxide surface were in the order of CeO > NbO > TaO These results demonstrate that the surface concentrations of OH groups are related to the proton hopping ability on the oxide surface. The concentrations reflect the catalytic activity of low-temperature methane steam reforming in the electric field.

Citing Articles

Elucidation of the reaction mechanism on dry reforming of methane in an electric field by DRIFTs.

Nakano N, Torimoto M, Sampei H, Yamashita R, Yamano R, Saegusa K RSC Adv. 2022; 12(15):9036-9043.

PMID: 35424901 PMC: 8985195. DOI: 10.1039/d2ra00402j.

References

Hisai Y, Murakami K, Kamite Y, Ma Q, Vollestad E, Manabe R . First observation of surface protonics on SrZrO perovskite under a H atmosphere. Chem Commun (Camb). 2020; 56(18):2699-2702. DOI: 10.1039/c9cc08757e. View

Stub S, Thorshaug K, Rorvik P, Norby T, Vollestad E . The influence of acceptor and donor doping on the protonic surface conduction of TiO. Phys Chem Chem Phys. 2018; 20(23):15653-15660. DOI: 10.1039/c8cp00571k. View

Fu L, Wang S, Wang X, Wang P, Zheng Y, Yao D . Crystal structure-based discovery of a novel synthesized PARP1 inhibitor (OL-1) with apoptosis-inducing mechanisms in triple-negative breast cancer. Sci Rep. 2017; 6(1):3. PMC: 5431371. DOI: 10.1038/s41598-016-0007-2. View

Kumagai T, Shiotari A, Okuyama H, Hatta S, Aruga T, Hamada I . H-atom relay reactions in real space. Nat Mater. 2011; 11(2):167-72. DOI: 10.1038/nmat3176. View

Ogo S, Sekine Y . Catalytic Reaction Assisted by Plasma or Electric Field. Chem Rec. 2017; 17(8):726-738. DOI: 10.1002/tcr.201600127. View

Sekine Y, Haraguchi M, Tomioka M, Matsukata M, Kikuchi E . Low-temperature hydrogen production by highly efficient catalytic system assisted by an electric field. J Phys Chem A. 2010; 114(11):3824-33. DOI: 10.1021/jp906137h. View

Farnesi Camellone M, Ribeiro F, Szabova L, Tateyama Y, Fabris S . Catalytic Proton Dynamics at the Water/Solid Interface of Ceria-Supported Pt Clusters. J Am Chem Soc. 2016; 138(36):11560-7. DOI: 10.1021/jacs.6b03446. View

Lundie D, McInroy A, Marshall R, Winfield J, Jones P, Dudman C . Improved description of the surface acidity of eta-alumina. J Phys Chem B. 2006; 109(23):11592-601. DOI: 10.1021/jp0405963. View

Murakami K, Tanaka Y, Sakai R, Hisai Y, Hayashi S, Mizutani Y . Key factor for the anti-Arrhenius low-temperature heterogeneous catalysis induced by H migration: H coverage over support. Chem Commun (Camb). 2020; 56(23):3365-3368. DOI: 10.1039/d0cc00482k. View

10.

Torimoto M, Ogo S, Harjowinoto D, Higo T, Gil Seo J, Furukawa S . Enhanced methane activation on diluted metal-metal ensembles under an electric field: breakthrough in alloy catalysis. Chem Commun (Camb). 2019; 55(47):6693-6695. DOI: 10.1039/c9cc02794g. View

11.

Tocci G, Michaelides A . Solvent-Induced Proton Hopping at a Water-Oxide Interface. J Phys Chem Lett. 2014; 5(3):474-480. PMC: 4047599. DOI: 10.1021/jz402646c. View