{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,15]],"date-time":"2026-10-15T10:54:26Z","timestamp":1792061666518,"version":"4.4.0"},"reference-count":65,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T00:00:00Z","timestamp":1789516800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T00:00:00Z","timestamp":1789516800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    The development of stable, durable cathodes with high oxygen reduction reaction (ORR) activity remains a critical challenge in solid oxide fuel cell (SOFC) research. This work employs a Sn\u2010In co\u2010doping strategy to synthesize a cathode material with the nominal composition Ba(Co\n                    <jats:sub>0.7<\/jats:sub>\n                    Fe\n                    <jats:sub>0.3<\/jats:sub>\n                    )\n                    <jats:sub>0.8<\/jats:sub>\n                    (Sn\n                    <jats:sub>0.5<\/jats:sub>\n                    In\n                    <jats:sub>0.5<\/jats:sub>\n                    )\n                    <jats:sub>0.2<\/jats:sub>\n                    O\n                    <jats:sub>3\u2010\u03b4<\/jats:sub>\n                    . The co\u2011doping strategy transforms the material structure into a more symmetric cubic phase (Pm\u20103m) and significantly enhances its oxygen vacancy concentration along with ORR catalytic activity. Indium incorporation serves to generate abundant oxygen vacancies, whereas Density Functional Theory (DFT) calculations predict that Sn doping reduces the oxygen vacancy formation energy by modulating the local electronic structure and selective M\u2010O (M = Co, Fe) bond weakening, thereby facilitating ion migration. These properties endow the material with excellent ORR activity, achieving an impedance as low as 0.014 \u03a9\u00b7cm\n                    <jats:sup>2<\/jats:sup>\n                    at 650\u00b0C and a power density of more than 1.4 W\/cm\n                    <jats:sup>2<\/jats:sup>\n                    in an anode\u2010supported single cell. This study provides a valuable insight for further exploration of In\u2010based materials in SOFC cathode development.\n                  <\/jats:p>","DOI":"10.1002\/smll.75657","type":"journal-article","created":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T14:25:32Z","timestamp":1789568732000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Integrating Cation Disordering With Surface Tailoring via Sn\/In Co\u2010Doping for High\u2010Performance Perovskite Cathode"],"prefix":"10.1002","author":[{"given":"Hanfei","family":"ZhuGe","sequence":"first","affiliation":[{"name":"China\u2010Belarus Belt and Road Joint Laboratory on Advanced Materials and Manufacturing Changchun Institute of Applied Chemistry Chinese Academy of Sciences  Changchun China"},{"name":"School of Applied Chemistry and Engineering University of Science and Technology of China  Hefei 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