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However, its reaction activity and contribution in aqueous Zn batteries are seriously limited. Herein, we present a dual redox mediator (RM) concept to catalyze both of the reduction\/oxidation reaction directions of this two\u2010electron transfer path. Uniquely, the 2,2,6,6\u2010tetramethylpiperidine\u20101\u2010oxyl (TEMPO) compound features two pairs of redox couples with potentials below and above that of the MnO\n                    <jats:sub>2<\/jats:sub>\n                    cathode. TEMPO also exhibits facile conversion kinetics during both electrochemical processes and chemical reactions with Mn\u2010active materials via two\u2010electron transfer. These properties allow TEMPO to catalyze the dissolution\/deposition between MnO\n                    <jats:sub>2<\/jats:sub>\n                    \/Mn\n                    <jats:sup>2+<\/jats:sup>\n                    using either redox couple, respectively. The substituent group on the TEMPO molecule further determines its functioning stabilities. As a result, the optimal TEMPO dual RM enables the MnO\n                    <jats:sub>2<\/jats:sub>\n                    cathode to achieve a high capacity of 517 mAh g\n                    <jats:sup>\u22121<\/jats:sup>\n                    at 0.3 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    and 80.4% capacity retention after 20\u00a0000 cycles at 10 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    in typical Swagelok\u2010type Zn batteries. The electrolytic\u2010type battery also realizes a high areal capacity up to 80 mAh cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    with 105 mWh cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    energy density. This work provides an effective dual RM concept toward high\u2010performance Zn\u2013Mn batteries.\n                  <\/jats:p>","DOI":"10.1002\/anie.4789078","type":"journal-article","created":{"date-parts":[[2026,9,7]],"date-time":"2026-09-07T10:28:56Z","timestamp":1788776936000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Dual Redox Mediator Concept to Catalyze Both Reaction Directions of the Two\u2010Electron Transfer Path of MnO\n                    <sub>2<\/sub>\n                    Cathodes for Aqueous Zn Batteries"],"prefix":"10.1002","volume":"65","author":[{"given":"Shuqi","family":"He","sequence":"first","affiliation":[{"name":"Department of Chemistry Northeastern University  Shenyang Liaoning China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhiqing","family":"Xue","sequence":"additional","affiliation":[{"name":"Department of Chemistry Northeastern University  Shenyang Liaoning China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haoren","family":"Zheng","sequence":"additional","affiliation":[{"name":"Department of Chemistry Northeastern University  Shenyang Liaoning China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tong","family":"Qiu","sequence":"additional","affiliation":[{"name":"Department of Chemistry Northeastern University  Shenyang Liaoning China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-0340-9995","authenticated-orcid":false,"given":"Shuai","family":"Mao","sequence":"additional","affiliation":[{"name":"Department of Chemistry Northeastern University  Shenyang Liaoning China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao\u2010Xia","family":"Liu","sequence":"additional","affiliation":[{"name":"Department of Chemistry Northeastern University  Shenyang Liaoning China"},{"name":"National Frontiers Science Center for Industrial Intelligence and Systems Optimization Northeastern University  Shenyang Liaoning China"},{"name":"Key Laboratory of Data Analytics and Optimization for Smart Industry Northeastern University  Shenyang Liaoning China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2324-7631","authenticated-orcid":false,"given":"Xiaoqi","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Chemistry Northeastern University  Shenyang Liaoning China"},{"name":"National Frontiers Science Center for Industrial Intelligence and Systems Optimization Northeastern University  Shenyang Liaoning China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,7]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41563-018-0063-z"},{"key":"e_1_2_8_3_1","article-title":"Zinc Ion Batteries: Bridging the Gap From Academia to Industry for Grid\u2010Scale Energy 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