{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T10:54:34Z","timestamp":1791543274609,"version":"4.3.4"},"reference-count":57,"publisher":"Wiley","issue":"56","license":[{"start":{"date-parts":[[2026,7,20]],"date-time":"2026-07-20T00:00:00Z","timestamp":1784505600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,7,20]],"date-time":"2026-07-20T00:00:00Z","timestamp":1784505600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100003051","name":"New Energy and Industrial Technology Development Organization","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003051","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Science"],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Engineering the surface structure of catalysts is critical for achieving high intrinsic activity in the oxygen reduction reaction (ORR). We report a machine\u2010learning (ML)\u2010guided materials design strategy for the synthesis of support\u2010free, connected nanoparticle catalysts with enhanced activity. ML analysis of a dataset comprising 210 Pt\u2010based ORR catalysts quantitatively evaluated the relative importance of multiple structural, compositional, and electronic descriptors, identifying surface compressive strain (\u2248\u22124%) as an effective integrated descriptor strongly associated with ORR specific activity (SA). Guided by this insight, a H\n                    <jats:sub>2<\/jats:sub>\n                    \u2010annealing\u2010induced surface structuring approach was developed to construct an interconnected porous Pt\u2013Ni nanoarchitecture with a Pt\u2010skin (\u22483 atomic layers) and tunable compressive strain (\u2248\u22123%) over a Ni\u2010enriched subsurface. The optimized catalyst synthesized under 100% H\n                    <jats:sub>2<\/jats:sub>\n                    \u2010annealing exhibits exceptional ORR activity, with a SA of 5.1 \u00b1 0.5\u00a0mA cm\n                    <jats:sub>Pt<\/jats:sub>\n                    <jats:sup>\u2212<\/jats:sup>\n                    <jats:sup>2<\/jats:sup>\n                    , corresponding to a 12\u2010fold enhancement relative to commercial Pt\/C. A linear correlation between surface strain and SA experimentally validates ML predictions and highlights the importance of strain\u2010engineered surfaces in electrocatalysis. Furthermore, the connected nanonetwork demonstrates remarkable electrochemical durability, retaining substantial compressive strain and exhibiting minimal Ni dissolution after 10,000 potential load cycles. This work establishes a generalizable materials design framework for developing next\u2010generation high\u2010activity, durable electrocatalysts for energy conversion technologies.\n                  <\/jats:p>","DOI":"10.1002\/advs.76651","type":"journal-article","created":{"date-parts":[[2026,7,20]],"date-time":"2026-07-20T12:29:22Z","timestamp":1784550562000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Machine Learning\u2013Guided Surface Strain Engineering in Connected Platinum\u2013Nickel Nanoparticle Catalysts for Advanced Oxygen Reduction Performance"],"prefix":"10.1002","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0009-0009-0846-0689","authenticated-orcid":false,"given":"Aparna","family":"Chitra Sudheer","sequence":"first","affiliation":[{"name":"Laboratory For Chemistry and Life Science Institute of Integrated Research Institute of Science Tokyo  Yokohama Kanagawa 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