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This work employs sinusoidal alternating current (AC) to efficiently synthesize Mn\n                    <jats:sup>IV<\/jats:sup>\n                    \u2550O with water as an oxygen source. The positive half\u2010cycle continuously transforms H\n                    <jats:sub>2<\/jats:sub>\n                    O adsorbed on \u2261Mn\n                    <jats:sup>II<\/jats:sup>\n                    site into high\u2010concentration HVMO through a multi\u2010step electron transfer and deprotonation process (\u2261Mn\n                    <jats:sup>II<\/jats:sup>\n                    \u2212OH\n                    <jats:sub>2<\/jats:sub>\n                    \u2192\u2261Mn\n                    <jats:sup>II<\/jats:sup>\n                    \u2212OH\u2192\u2261Mn\n                    <jats:sup>III<\/jats:sup>\n                    \u2212OH\u2192\u2261Mn\n                    <jats:sup>IV<\/jats:sup>\n                    \u2550O). The negative half\u2010cycle reduces the inactive Mn\n                    <jats:sup>III<\/jats:sup>\n                    generated during the consumption of Mn\n                    <jats:sup>IV<\/jats:sup>\n                    \u2550O back to the initial Mn\n                    <jats:sup>II<\/jats:sup>\n                    state and simultaneously alleviates proton accumulation. This AC strategy achieves stable cycling of the Mn oxidation state and effectively suppresses the overoxidation of \u2261Mn\n                    <jats:sup>III<\/jats:sup>\n                    \u2212OH to \u2261Mn\n                    <jats:sup>IV<\/jats:sup>\n                    \u2212OOH, thereby realizing the efficient preparation of HVMO with 99.3% selectivity and a steady\u2010state concentration of 2.8\u00a0\u00d7\u00a010\n                    <jats:sup>\u22126<\/jats:sup>\n                    \u00a0mM. Employing the selective removal of bisphenol A (BPA) as a model, Mn\n                    <jats:sup>IV<\/jats:sup>\n                    \u2550O can selectively oxidize target pollutants in the presence of interferents, achieving removal rates approaching 99% within 1\u00a0h. Stable operation in a continuous flow reactor scaled up by 40 times for over 100\u00a0h highlights the application potential of this strategy. This work reveals a novel green strategy to generate HVMO without rectification or additional oxidants for water purification.\n                  <\/jats:p>","DOI":"10.1002\/anie.2031313","type":"journal-article","created":{"date-parts":[[2026,7,10]],"date-time":"2026-07-10T15:14:53Z","timestamp":1783696493000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Selective Electrosynthesis of High\u2010Concentration Mn\n                    <sup>IV<\/sup>\n                    \u2550O in Oxidant\u2010Free Systems for Sustainable Water Remediation"],"prefix":"10.1002","volume":"65","author":[{"given":"Chufan","family":"Li","sequence":"first","affiliation":[{"name":"School of Chemical Science and Engineering Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji Hospital Tongji University  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9195-1623","authenticated-orcid":false,"given":"Yanbo","family":"Li","sequence":"additional","affiliation":[{"name":"School of Chemical Science and Engineering Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji Hospital Tongji University  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guohang","family":"Fu","sequence":"additional","affiliation":[{"name":"School of Chemical Science and Engineering Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji Hospital Tongji University  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4909-9796","authenticated-orcid":false,"given":"Lina","family":"Li","sequence":"additional","affiliation":[{"name":"Shanghai Synchrotron Radiation Facility Shanghai Advanced Research Institute  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8693-1193","authenticated-orcid":false,"given":"Guohua","family":"Zhao","sequence":"additional","affiliation":[{"name":"School of Chemical Science and Engineering Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration, Ministry of Education, Tongji Hospital Tongji University  Shanghai P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,7,10]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1039\/D4CS00338A"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.est.3c05153"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.2304562120"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.5c09972"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.watres.2025.124169"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.6b08661"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.1422800112"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202010828"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.est.2c08836"},{"key":"e_1_2_8_11_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ccr.2024.215840"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.watres.2023.119957"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202516166"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.est.3c00765"},{"key":"e_1_2_8_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cej.2023.147886"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.3c02288"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202117178"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202416274"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41929\u2010021\u201000659\u20101"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1038\/nchem.1874"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcat.2024.115792"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.est.3c01850"},{"key":"e_1_2_8_23_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202309620"},{"key":"e_1_2_8_24_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.4c06664"},{"key":"e_1_2_8_25_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.2c02605"},{"key":"e_1_2_8_26_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.ado0875"},{"key":"e_1_2_8_27_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.adf4762"},{"key":"e_1_2_8_28_1","doi-asserted-by":"publisher","DOI":"10.1038\/s44160\u2010022\u201000197\u2010z"},{"key":"e_1_2_8_29_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202406924"},{"key":"e_1_2_8_30_1","doi-asserted-by":"publisher","DOI":"10.1021\/jacs.2c04081"},{"key":"e_1_2_8_31_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41467\u2010024\u201050519\u20102"},{"key":"e_1_2_8_32_1","doi-asserted-by":"publisher","DOI":"10.1038\/nenergy.2017.7"},{"key":"e_1_2_8_33_1","doi-asserted-by":"publisher","DOI":"10.1021\/acs.est.5c03443"},{"key":"e_1_2_8_34_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.watres.2022.118765"},{"key":"e_1_2_8_35_1","doi-asserted-by":"publisher","DOI":"10.1002\/adma.202209552"},{"key":"e_1_2_8_36_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202303267"},{"key":"e_1_2_8_37_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202316378"},{"key":"e_1_2_8_38_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jallcom.2021.161680"},{"key":"e_1_2_8_39_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jece.2024.112655"},{"key":"e_1_2_8_40_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.spmi.2019.01.025"},{"key":"e_1_2_8_41_1","doi-asserted-by":"publisher","DOI":"10.1002\/cctc.201800363"},{"key":"e_1_2_8_42_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apcata.2024.119861"},{"key":"e_1_2_8_43_1","doi-asserted-by":"publisher","DOI":"10.1002\/anie.202516326"},{"key":"e_1_2_8_44_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apcatb.2025.125518"},{"key":"e_1_2_8_45_1","doi-asserted-by":"publisher","DOI":"10.1039\/D5TA06232B"},{"key":"e_1_2_8_46_1","doi-asserted-by":"publisher","DOI":"10.1021\/acscatal.5c04982"},{"key":"e_1_2_8_47_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcis.2025.138233"},{"key":"e_1_2_8_48_1","doi-asserted-by":"publisher","DOI":"10.1002\/adfm.202420157"},{"key":"e_1_2_8_49_1","doi-asserted-by":"publisher","DOI":"10.1039\/C8SC01164H"},{"key":"e_1_2_8_50_1","doi-asserted-by":"publisher","DOI":"10.1038\/s41467\u2010020\u201019133\u2010w"},{"key":"e_1_2_8_51_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.apcatb.2024.124920"},{"key":"e_1_2_8_52_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.watres.2018.03.042"}],"container-title":["Angewandte 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