{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["13(1)"],"submitter":["Jia Z"],"pubmed_abstract":["Hydrogen is increasingly being discussed as clean energy for the goal of net-zero carbon emissions, applied in the proton-exchange-membrane fuel cells (PEMFC). The preferential oxidation of CO (PROX) in hydrogen is a promising solution for hydrogen purification to avoid catalysts from being poisoned by the trace amount of CO in hydrogen-rich fuel gas. Here, we report the fabrication of a novel bimetallic Pt-Fe catalyst with ultralow metal loading, in which fully-exposed Pt clusters bonded with neighbor atomically dispersed Fe atoms on the defective graphene surface. The fully-exposed PtFe cluster catalyst could achieve complete elimination of CO through PROX reaction and almost 100% CO selectivity, while maintaining good stability for a long period. It has the mass-specific activity of 6.1"],"journal":["Nature communications"],"pagination":["6798"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9649773"],"repository":["biostudies-literature"],"pubmed_title":["Fully-exposed Pt-Fe cluster for efficient preferential oxidation of CO towards hydrogen purification."],"pmcid":["PMC9649773"],"pubmed_authors":["Liu H","Huang F","Wen X","Qin X","Zhou W","Wang N","Jiang Z","Gao Z","Chen Y","Xiao D","Ma D","Peng M","Cai X","Jia Z"],"additional_accession":[]},"is_claimable":false,"name":"Fully-exposed Pt-Fe cluster for efficient preferential oxidation of CO towards hydrogen purification.","description":"Hydrogen is increasingly being discussed as clean energy for the goal of net-zero carbon emissions, applied in the proton-exchange-membrane fuel cells (PEMFC). The preferential oxidation of CO (PROX) in hydrogen is a promising solution for hydrogen purification to avoid catalysts from being poisoned by the trace amount of CO in hydrogen-rich fuel gas. Here, we report the fabrication of a novel bimetallic Pt-Fe catalyst with ultralow metal loading, in which fully-exposed Pt clusters bonded with neighbor atomically dispersed Fe atoms on the defective graphene surface. The fully-exposed PtFe cluster catalyst could achieve complete elimination of CO through PROX reaction and almost 100% CO selectivity, while maintaining good stability for a long period. It has the mass-specific activity of 6.1","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Nov","modification":"2025-04-25T23:31:32.533Z","creation":"2025-04-06T09:25:56.969Z"},"accession":"S-EPMC9649773","cross_references":{"pubmed":["36357421"],"doi":["10.1038/s41467-022-34674-y"]}}