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A relatively small change (10 at.%) in the alloy composition brought a notable difference in the alloys\u2019 performance for the ORR. Pt40Dy60 electrode, i.e., the electrode with a lower amount of Pt, was identified to have a higher activity towards ORR as evidenced by lower overpotential and higher current densities under identical experimental conditions. Furthermore, DFT calculations point out the unique single-atom-like coordination and electronic structure of Pt atoms in the Pt40Dy60 surface as responsible for enhanced ORR activity compared to the alloy with a higher Pt content. Additionally, Pt\u2013Dy alloys showed activity in the oxygen evolution reaction (OER), with the OER current density lower than that of pure Pt.<\/jats:p>","DOI":"10.3390\/nano12142318","type":"journal-article","created":{"date-parts":[[2022,7,6]],"date-time":"2022-07-06T05:41:06Z","timestamp":1657086066000},"page":"2318","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Platinum\u2013Dysprosium Alloys as Oxygen Electrodes in Alkaline Media: An Experimental and Theoretical Study"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2266-6738","authenticated-orcid":false,"given":"Jadranka","family":"Miliki\u0107","sequence":"first","affiliation":[{"name":"Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12\u201316, 11158 Belgrade, Serbia"}]},{"given":"Nikola","family":"Nikoli\u0107","sequence":"additional","affiliation":[{"name":"Faculty of Physical Chemistry, University of Belgrade, Studentski trg 12\u201316, 11158 Belgrade, Serbia"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7920-2638","authenticated-orcid":false,"given":"Diogo M. 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