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However, the challenges associated with the weak activation of linear nonpolar CO\n                    <jats:sub>2<\/jats:sub>\n                    molecules and the high energy difference of key proton\u2010coupled electron transfer steps make it difficult for existing catalysts to simultaneously achieve a high current density and a high selectivity. Herein, we report a strategy for regulating electron polarization in a Cu single\u2010atom catalyst (CuN\n                    <jats:sub>3<\/jats:sub>\n                    \u2010C) to achieve efficient electrocatalytic reduction of high\u2010 and low\u2010concentration CO\n                    <jats:sub>2<\/jats:sub>\n                    to CH\n                    <jats:sub>3<\/jats:sub>\n                    OH. For both high\u2010concentration or low\u2010concentration CO\n                    <jats:sub>2<\/jats:sub>\n                    used as the feedstock, the CuN\n                    <jats:sub>3<\/jats:sub>\n                    \u2010C catalyst achieves a current density exceeding \u2212450\u00a0mA cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    , a Faradaic efficiency of 80% for methanol production, and record\u2010high production rate of 0.57\u00a0\u00b5mol s\n                    <jats:sup>\u22121<\/jats:sup>\n                    cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    . In situ characterization and theoretical calculations jointly show that strong electron polarization of the CuN\n                    <jats:sub>3<\/jats:sub>\n                    \u2010C catalyst facilitates more effective CO\n                    <jats:sub>2<\/jats:sub>\n                    activation and preferential *CO hydrogenation toward *CHO and *CHOH. This study provides a strategy for designing highly efficient catalysts for the conversion of CO\n                    <jats:sub>2<\/jats:sub>\n                    to methanol via electronic polarization modulation.\n                  <\/jats:p>","DOI":"10.1002\/anie.202523844","type":"journal-article","created":{"date-parts":[[2026,1,31]],"date-time":"2026-01-31T06:05:12Z","timestamp":1769839512000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Electron Cloud Polarization of Single\u2010Atom Cu Boosts Electrocatalytic Reduction of High\u2010 and Low\u2010Concentration CO\n                    <sub>2<\/sub>\n                    to Methanol"],"prefix":"10.1002","volume":"65","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0523-715X","authenticated-orcid":false,"given":"Guodong","family":"Sun","sequence":"first","affiliation":[{"name":"Materials and Packaging Engineering Fujian Polytechnic Normal University  Fuzhou PR China"},{"name":"State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences  Fuzhou PR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yingfei","family":"Ma","sequence":"additional","affiliation":[{"name":"Materials and Packaging Engineering Fujian Polytechnic Normal University  Fuzhou PR China"},{"name":"State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences  Fuzhou PR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanan","family":"Cao","sequence":"additional","affiliation":[{"name":"Key Laboratory of Cluster Science Beijing Key Laboratory of Photoelectronic\/Electrophotonic Conversion Materials School of Chemistry Beijing Institute of Technology  Beijing PR 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