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dc.contributor.authorWang, Tingen_US
dc.contributor.authorQiu, Lishushien_US
dc.contributor.authorLi, Haiyanen_US
dc.contributor.authorZhang, Chaoen_US
dc.contributor.authorSun, Yuanmiaoen_US
dc.contributor.authorXi, Shiboen_US
dc.contributor.authorGe, Jingjieen_US
dc.contributor.authorXu, Jason Zhichuanen_US
dc.contributor.authorWang, Chuanen_US
dc.identifier.citationWang, T., Qiu, L., Li, H., Zhang, C., Sun, Y., Xi, S., Ge, J., Xu, J. Z. & Wang, C. (2021). Facile synthesis of palladium incorporated NiCo₂O₄ spinel for low temperature methane combustion : activate lattice oxygen to promote activity. Journal of Catalysis, 404, 400-410.
dc.description.abstractWhile palladium-based catalysts are effective in low-temperature methane combustion, their high cost and scarcity render them unsuitable to fulfil the growing demand. The design of improved catalysts which can more efficiently utilize this precious metal is required. Here, by using a facile one-pot thermal decomposition method Pd-NiCo2O4 spinel catalysts with a unique structure are obtained, in which the majority of Pd incorporated into the bulk spinel structure of NiCo2O4 with limited highly dispersed PdOx species on the surface at an atomic scale. The robust 1 %Pd-NiCo2O4 spinel catalyst exhibits comparable activity in methane oxidation to that of the conventional incipient wetness impregnation 2 %Pd/NiCo2O4. Theoretical calculations and catalyst characterizations (SEM, HRTEM, XRD, XPS, XAS, ICP-OES, etc.) revealed that the enhanced activity is mainly originated from having the O p-band center closer to the Fermi level, with Pd ions incorporated into the bulk NiCo2O4 via substituting for the octahedral coordinated Ni3+/Co3+.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.description.sponsorshipMinistry of National Development (MND)en_US
dc.description.sponsorshipMinistry of the Environment and Water Resourcesen_US
dc.description.sponsorshipNational Environmental Agency (NEA)en_US
dc.relation.ispartofJournal of Catalysisen_US
dc.rights© 2021 Elsevier Inc. All rights reserved. This paper was published in Journal of Catalysis and is made available with permission of Elsevier Inc.en_US
dc.subjectEngineering::Materials::Functional materialsen_US
dc.subjectEngineering::Environmental engineering::Waste managementen_US
dc.titleFacile synthesis of palladium incorporated NiCo₂O₄ spinel for low temperature methane combustion : activate lattice oxygen to promote activityen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science and Engineeringen_US
dc.contributor.researchNanyang Environment and Water Research Instituteen_US
dc.contributor.researchSolar Fuels Laboratoryen_US
dc.description.versionSubmitted/Accepted versionen_US
dc.subject.keywordsMethane Oxidationen_US
dc.description.acknowledgementThis work is supported by Nanjing Tech University Research Start-up Fund [grant number 38274017111]. Financial support from Zhongyan Jilantai Chlor-Alkali Chemical Co., Ltd is acknowledged [grant number FZ2019-RWS-027]. Authors appreciate the support from the National Research Foundation, Prime Minister’s Office, Singapore, the Ministry of National Development, Singapore, and the National Environment Agency, Ministry of the Environment and Water Resource, Singapore, under the Closing the Waste Loop R&D Initiative as part of the Urban Solutions and Sustainability Integration Fund (Award USS-IF-2019-4), Singapore Ministry of Education [Tier 1, Grant number RG3/18(S); Tier 2, Grant number MOE2018-T2-2-027].en_US
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