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However, high intrinsic activity is considered thermodynamically contradictory on a hydrophobic surface since high hydrophobicity corresponds to low surface energy, thereby leading to low intrinsic activity. Here we overcome this hydrophobicity\u2010activity trade\u2010off via a bidentate chelation strategy that grafts carboxylic acid molecules with tunable alkyl chain lengths on Bi\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    CO\n                    <jats:sub>3<\/jats:sub>\n                    (XC\u2010BOC, where X denotes the carbon number). The obtained 10C\u2010BOC sustains high hydrophobicity without sacrificing activity. This hydrophobicity\u2010activity balance is achieved by restructuring the interfacial hydrogen\u2010bond (HB) network to suppress the undesired hydrogen evolution reaction (HER) and ensure the timely hydrogenation rate for the key *OCHO intermediate, in conjunction with modulating the Bi site electronic structure via the carboxyl\u2010O\/Bi bidentate chelation to guarantee the high intrinsic activity. Consequently, 10C\u2010BOC achieves ampere\u2010level performance with FE\n                    <jats:sub>HCOO\u2010<\/jats:sub>\n                    &gt; 90% from 100\u20131000\u00a0mA cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    , with an optimal FE\n                    <jats:sub>HCOO\u2010<\/jats:sub>\n                    of 97.7% at 600\u00a0mA cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    (vs. 83.2% for bare BOC), and maintains FE\n                    <jats:sub>HCOO\u2010<\/jats:sub>\n                    &gt; 93% at 200\u00a0mA cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    for 200\u00a0h. This work offers a general strategy to decouple hydrophobicity from intrinsic activity for advanced CO\n                    <jats:sub>2<\/jats:sub>\n                    RR electrocatalysts.\n                  <\/jats:p>","DOI":"10.1002\/anie.9439653","type":"journal-article","created":{"date-parts":[[2026,8,29]],"date-time":"2026-08-29T04:46:36Z","timestamp":1787978796000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Bidentate Chelation Strategy for Breaking the Thermodynamic Hydrophobicity\u2010Activity Trade\u2010Off to Boost the Electroreduction of CO\n                    <sub>2<\/sub>\n                    to Formate"],"prefix":"10.1002","volume":"65","author":[{"given":"Kang","family":"Liu","sequence":"first","affiliation":[{"name":"College of Chemistry and Chemical Engineering Collaborative Innovation Center For Hydrogen Energy Key Materials and Technologies of Shandong Province Qingdao University  Qingdao China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zheng","family":"Lin","sequence":"additional","affiliation":[{"name":"School of Materials Science &amp; Engineering Peking University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhengyi","family":"Qian","sequence":"additional","affiliation":[{"name":"School of Materials Science &amp; Engineering Peking University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-8755-0916","authenticated-orcid":false,"given":"Xiaoyan","family":"Zhang","sequence":"additional","affiliation":[{"name":"College of Chemistry and Chemical Engineering Collaborative Innovation Center For Hydrogen Energy Key Materials and Technologies of Shandong Province Qingdao University  Qingdao China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mengyu","family":"Guo","sequence":"additional","affiliation":[{"name":"College of Chemistry and Chemical Engineering Collaborative Innovation Center For Hydrogen Energy Key Materials and Technologies of Shandong Province Qingdao University  Qingdao China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Longren","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Chemistry and Chemical Engineering Collaborative Innovation Center For Hydrogen Energy Key Materials and Technologies of Shandong Province Qingdao University  Qingdao China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5136-7265","authenticated-orcid":false,"given":"Mingzi","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Chemistry City University of Hong Kong  Hong Kong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yue","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Chemistry and Chemical Engineering Collaborative Innovation Center For 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