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However,\n                    <jats:sup>*<\/jats:sup>\n                    CO oxidation remains challenging due to its strong adsorption and insufficient\n                    <jats:sup>*<\/jats:sup>\n                    OH species at active sites, severely limiting reaction kinetics. Here, the single Ir atom catalyst with abundant coordinatively unsaturated IrC\n                    <jats:sub>3<\/jats:sub>\n                    sites is developed to electrocatalysis MOR under elevated temperature, the IrC\n                    <jats:sub>3<\/jats:sub>\n                    sites with stronger CH\n                    <jats:sub>3<\/jats:sub>\n                    OH adsorption and weaker\n                    <jats:sup>*<\/jats:sup>\n                    CO adsorption, which break the scaling relationship between methanol and\n                    <jats:sup>*<\/jats:sup>\n                    CO adsorption energy. Moreover, the IrC\n                    <jats:sub>3<\/jats:sub>\n                    could accelerate the electrochemical water dissociation with assistance of protophilic IrC\n                    <jats:sub>4<\/jats:sub>\n                    to form adsorbed\n                    <jats:sup>*<\/jats:sup>\n                    OH. The balanced adsorption energy and the appearance of ample\n                    <jats:sup>*<\/jats:sup>\n                    OH would efficiently decrease the reaction energy barriers, and further accelerate the methanol dehydrogenation and\n                    <jats:sup>*<\/jats:sup>\n                    CO oxidation. By assemble the high temperature polymer electrolyte membrane electrolyzer (HT\u2010PEME) with IrC\n                    <jats:sub>3<\/jats:sub>\n                    sites at 180\u00b0C, it shows an excellent MOR efficiency with onset potential about 0.05\u00a0V and H\n                    <jats:sub>2<\/jats:sub>\n                    generation rate with 8694 mol\n                    <jats:sub>H2<\/jats:sub>\n                    \u00a0mol\n                    <jats:sub>Ir<\/jats:sub>\n                    <jats:sup>\u22121<\/jats:sup>\n                    \u00a0h\n                    <jats:sup>\u22121<\/jats:sup>\n                    at cathode, which is much higher than that of Ir\u2010C SACs parent catalyst and Pt\/C catalysts. This finding provides an avenue to conquer the formidably sluggish kinetics of MOR for hydrogen utilization.\n                  <\/jats:p>","DOI":"10.1002\/adma.202521961","type":"journal-article","created":{"date-parts":[[2025,12,26]],"date-time":"2025-12-26T14:07:32Z","timestamp":1766758052000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Coordinatively Unsaturated IrC\n                    <sub>3<\/sub>\n                    Single\u2010Atom Catalysts for Efficient Methanol Oxidation Reaction"],"prefix":"10.1002","volume":"38","author":[{"given":"Liyuan","family":"Gong","sequence":"first","affiliation":[{"name":"State Key Laboratory of Chemo\/Bio\u2010Sensing and Chemometrics College of Chemistry and Chemical Engineering the National Supercomputer Centers in Changsha Advanced Catalytic Engineering Research Center of the Ministry of Education Hunan University  Changsha China"},{"name":"State Key Laboratory of Woody Oil Resource Utilization Key Laboratory of Bio\u2010based Material Science and Technology of Ministry of Education Northeast Forestry University  Harbin China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yabin","family":"Xu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Chemo\/Bio\u2010Sensing and Chemometrics College of Chemistry and Chemical Engineering the National Supercomputer Centers in Changsha Advanced Catalytic Engineering Research Center of the Ministry of Education Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shurui","family":"Gao","sequence":"additional","affiliation":[{"name":"Jiangsu Key Laboratory of New Power Batteries Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials School of Chemistry and Materials Science Nanjing Normal University  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qie","family":"Liu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Chemo\/Bio\u2010Sensing and Chemometrics College of Chemistry and Chemical Engineering the National Supercomputer Centers in Changsha Advanced Catalytic Engineering Research Center of the Ministry of Education Hunan University  Changsha China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ta Thi Thuy","family":"Nga","sequence":"additional","affiliation":[{"name":"Department of Physics Tamkang University  Tamsui Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chung\u2010Li","family":"Dong","sequence":"additional","affiliation":[{"name":"Department of Physics Tamkang University  Tamsui Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xian\u2010Zhu","family":"Fu","sequence":"additional","affiliation":[{"name":"College of Materials Science and Engineering College of Physics and Optoelectronic Engineering Shenzhen University  Shenzhen Guangdong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Wang","sequence":"additional","affiliation":[{"name":"Jiangsu Key Laboratory of New Power Batteries Jiangsu Collaborative Innovation Centre of Biomedical Functional Materials School of Chemistry and Materials Science Nanjing Normal University  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuangyin","family":"Wang","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Chemo\/Bio\u2010Sensing and Chemometrics College of Chemistry and Chemical Engineering the National Supercomputer Centers in Changsha Advanced Catalytic Engineering Research Center of the Ministry of Education Hunan University  Changsha 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