{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T03:54:08Z","timestamp":1791172448479,"version":"4.1.0"},"reference-count":51,"publisher":"Wiley","issue":"19","license":[{"start":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T00:00:00Z","timestamp":1791072000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T00:00:00Z","timestamp":1791072000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["52271232"],"award-info":[{"award-number":["52271232"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["52571259"],"award-info":[{"award-number":["52571259"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["chemistry-europe.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["ChemSusChem"],"published-print":{"date-parts":[[2026,10,14]]},"abstract":"<jats:p>\n                    The activity\u2010stability trade\u2010off of RuO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010based catalysts in the acidic oxygen evolution reaction (OER) remains a major bottleneck for proton exchange membrane water electrolysis (PEMWE). Herein, a synergistic bimetallic codoping strategy was proposed to harness the complementary benefits of high\u2010valence Nb and low\u2010valence Ni dopants. The resulting NiNb\u2010RuO\n                    <jats:sub>2<\/jats:sub>\n                    catalyst exhibits outstanding OER performance in acidic media, delivering an ultralow overpotential of 157\u2009mV at 10\u2009mA\u2009cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    and stable operation for 200\u2009h at 100\u2009mA\u2009cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    , outperforming most reported Ru\u2010based catalysts. Remarkably, it also demonstrates excellent stability at a current density of 250\u2009mA\u2009cm\n                    <jats:sup>\u22122<\/jats:sup>\n                    over 200\u2009h under PEMWE operations at 60\u2009\u00b0C. Combined with density functional theory (DFT) calculations and in situ characterizations, a distinct Ni\u2500Nb synergistic mechanism reveals that Nb suppresses lattice oxygen activation and mitigates structural degradation, while Ni regulates the electron\u2010withdrawing capability of Ru sites to optimize the adsorption of *OOH intermediates, thereby accelerating OER kinetics through the AEM pathway. This work provides an effective strategy for simultaneously enhancing the activity and durability of RuO\n                    <jats:sub>2<\/jats:sub>\n                    \u2010based catalysts toward practical PEMWE applications.\n                  <\/jats:p>","DOI":"10.1002\/cssc.71133","type":"journal-article","created":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T03:25:32Z","timestamp":1791170732000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Ni\u2500Nb Synergistic Regulation in RuO\n                    <sub>2<\/sub>\n                    Nanocrystals Enables Efficient and Stable Acidic Water Oxidation"],"prefix":"10.1002","volume":"19","author":[{"given":"Jike","family":"Tang","sequence":"first","affiliation":[{"name":"Institutes of Physical Science and Information Technology Key Laboratory of Structure and Functional Regulation of Hybrid Materials (Ministry of Education) Anhui University  Hefei P. 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