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However, its efficiency depends not just on piezoelectric polarization strength, but critically on whether stress\u2010induced charge carriers can escape surface potential traps at terminations and reach interfacial reactive states. Here, we introduce a surface\u2010trap\u2010gated carrier escape mechanism via a chemically bridged Co\n                    <jats:sub>3<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    @Ti\n                    <jats:sub>3<\/jats:sub>\n                    C\n                    <jats:sub>2<\/jats:sub>\n                    T\n                    <jats:sub>x<\/jats:sub>\n                    MXene (Co\n                    <jats:sub>3<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    @TMX) interface. Co\u2500O\u2500Ti coupling induces local secondary symmetry breaking in Ti\n                    <jats:sub>3<\/jats:sub>\n                    C\n                    <jats:sub>2<\/jats:sub>\n                    T\n                    <jats:sub>x<\/jats:sub>\n                    \u2010MXene and reshapes the electrostatic potential at termination sites, converting deep\u2010trapped states into low\u2010barrier interfacial escape pathways. During battery operation, periodic Li\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    evolution generates intrinsic mechanical stress, continuously activating the piezoelectric response. The resulting electrons overcome termination confinement, inject into the active domains of Co\n                    <jats:sub>3<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    , and sustain electron flux for O\n                    <jats:sub>2<\/jats:sub>\n                    activation and reduction intermediate generation. Concurrently, interfacial holes create transient electron\u2010deficient regions that extract electrons from Li\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    , promoting its oxidative decomposition. This shifts the core piezocatalytic criterion from \u201cCan sufficient piezoelectric potential be generated?\u201d to \u201cCan piezoelectric carriers transition from trapped to interfacial reactive states?\u201d, enabling synergistic coupling of mechanical stress, interfacial potential, and oxygen electrochemistry.\n                  <\/jats:p>","DOI":"10.1002\/anie.6056264","type":"journal-article","created":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T06:23:56Z","timestamp":1790231036000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Surface Potential Well\u2010Gated Piezocarrier Escape for Reversible Oxygen Redox in Lithium\u2013Oxygen Chemistry"],"prefix":"10.1002","author":[{"given":"Yaning","family":"Fu","sequence":"first","affiliation":[{"name":"College of Chemistry Zhengzhou University  Zhengzhou P. R. 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