{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["5(9)"],"submitter":["Zhang C"],"pubmed_abstract":["The interaction between K atoms and oxygen molecules on solid surfaces is of topical interest to oxidation-reduction processes in K-O<sub>2</sub> batteries. Alkali metals have one <i>ns</i> electron in their valence shell, making them highly chemically reactive toward oxidizing reactants. Mechanistic information on the oxygen reduction by K at the atomic level is scarce despite its key role in defining the alkali metal-O<sub>2</sub> battery performance. Here, we use scanning tunneling microscopy and density functional theory to investigate the reduction of a single oxygen molecule by K atoms codeposited on the Ag(111) surface. Our study provides fundamental chemical information on the binary and collective interactions between the O<sub>2</sub> and K atoms on metal surfaces."],"journal":["JACS Au"],"pagination":["4530-4538"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12458050"],"repository":["biostudies-literature"],"pubmed_title":["An Atomic-Scale Mechanism of Potassium-Oxygen Redox Chemistry."],"pmcid":["PMC12458050"],"pubmed_authors":["Petek H","Chen L","Zhang C","Zhao J"],"additional_accession":[]},"is_claimable":false,"name":"An Atomic-Scale Mechanism of Potassium-Oxygen Redox Chemistry.","description":"The interaction between K atoms and oxygen molecules on solid surfaces is of topical interest to oxidation-reduction processes in K-O<sub>2</sub> batteries. Alkali metals have one <i>ns</i> electron in their valence shell, making them highly chemically reactive toward oxidizing reactants. Mechanistic information on the oxygen reduction by K at the atomic level is scarce despite its key role in defining the alkali metal-O<sub>2</sub> battery performance. Here, we use scanning tunneling microscopy and density functional theory to investigate the reduction of a single oxygen molecule by K atoms codeposited on the Ag(111) surface. Our study provides fundamental chemical information on the binary and collective interactions between the O<sub>2</sub> and K atoms on metal surfaces.","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Sep","modification":"2026-06-03T20:22:40.624Z","creation":"2026-05-01T03:10:00.224Z"},"accession":"S-EPMC12458050","cross_references":{"pubmed":["41001647"],"doi":["10.1021/jacsau.5c00855"]}}