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Article: Avoiding Sabatier’s conflict in bifunctional heterogeneous catalysts for the WGS reaction

TitleAvoiding Sabatier’s conflict in bifunctional heterogeneous catalysts for the WGS reaction
Authors
Keywordswater-assisted pathways
Sabatier’s conflict
catalysts design
WGS reactions
weakly reactive substrates
Issue Date2021
PublisherCell Press. The Journal's web site is located at http://www.cell.com/chem/home
Citation
Chem, 2021, v. 7 n. 5, p. 1271-1283 How to Cite?
AbstractA new strategy for designing efficient bifunctional heterogeneous catalysts for the water-gas-shift (WGS) reaction (CO + H2O → CO2 + H2) is presented. We avoid conflicting tasks that require ∗OH or ∗O from dissociated water to adsorb on and then desorb from the substrate of a catalyst. Instead, the CO on metal directly obtains OH from water that is connected by weak hydrogen bonds to the substrate. The task of the substrate is to efficiently channel ∗H on its surface and release them as H2 gas. Experimental and theoretical results show that bifunctional catalysts with weakly reactive substrates have significantly higher CO conversion rates compared with highly reactive substrates that follow either the LH-associative or LH-redox process.
Persistent Identifierhttp://hdl.handle.net/10722/300607
ISSN
2023 SCImago Journal Rankings: 6.556
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTian, H-
dc.contributor.authorHE, Y-
dc.contributor.authorZhao, Q-
dc.contributor.authorLi, J-
dc.contributor.authorShao, X-
dc.contributor.authorZhang, Z-
dc.contributor.authorHuang, X-
dc.contributor.authorLu, C-
dc.contributor.authorWang, K-
dc.contributor.authorJiang, Q-
dc.contributor.authorNg, AMC-
dc.contributor.authorXu, H-
dc.contributor.authorTong, SY-
dc.date.accessioned2021-06-18T14:54:25Z-
dc.date.available2021-06-18T14:54:25Z-
dc.date.issued2021-
dc.identifier.citationChem, 2021, v. 7 n. 5, p. 1271-1283-
dc.identifier.issn2451-9308-
dc.identifier.urihttp://hdl.handle.net/10722/300607-
dc.description.abstractA new strategy for designing efficient bifunctional heterogeneous catalysts for the water-gas-shift (WGS) reaction (CO + H2O → CO2 + H2) is presented. We avoid conflicting tasks that require ∗OH or ∗O from dissociated water to adsorb on and then desorb from the substrate of a catalyst. Instead, the CO on metal directly obtains OH from water that is connected by weak hydrogen bonds to the substrate. The task of the substrate is to efficiently channel ∗H on its surface and release them as H2 gas. Experimental and theoretical results show that bifunctional catalysts with weakly reactive substrates have significantly higher CO conversion rates compared with highly reactive substrates that follow either the LH-associative or LH-redox process.-
dc.languageeng-
dc.publisherCell Press. The Journal's web site is located at http://www.cell.com/chem/home-
dc.relation.ispartofChem-
dc.subjectwater-assisted pathways-
dc.subjectSabatier’s conflict-
dc.subjectcatalysts design-
dc.subjectWGS reactions-
dc.subjectweakly reactive substrates-
dc.titleAvoiding Sabatier’s conflict in bifunctional heterogeneous catalysts for the WGS reaction-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.chempr.2021.01.018-
dc.identifier.scopuseid_2-s2.0-85103343432-
dc.identifier.hkuros322939-
dc.identifier.volume7-
dc.identifier.issue5-
dc.identifier.spage1271-
dc.identifier.epage1283-
dc.identifier.isiWOS:000652330400012-
dc.publisher.placeUnited States-

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