{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T13:45:06Z","timestamp":1792331106145,"version":"4.4.0"},"reference-count":59,"publisher":"Wiley","issue":"58","license":[{"start":{"date-parts":[[2026,8,12]],"date-time":"2026-08-12T00:00:00Z","timestamp":1786492800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,8,12]],"date-time":"2026-08-12T00:00:00Z","timestamp":1786492800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100011175","name":"State Key Laboratory of Heavy Oil Processing","doi-asserted-by":"publisher","award":["WX20250144"],"award-info":[{"award-number":["WX20250144"]}],"id":[{"id":"10.13039\/501100011175","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2026,10]]},"abstract":"ABSTRACT<\/jats:title>\n \n Dry reforming of methane, the endothermic co\u2010conversion of CH\n 4<\/jats:sub>\n and CO\n 2<\/jats:sub>\n into syngas (H\n 2<\/jats:sub>\n \/CO), is typically limited by low\u2010temperature activity and carbon\u2010induced deactivation at high temperatures. Here, a geometrically isolated dual\u2010site architecture is established by co\u2010anchoring Ni and Ru atomic sites on defect\u2010rich CeO\n 2<\/jats:sub>\n . The optimized 1NiRu\/CeO\n 2<\/jats:sub>\n catalyst achieves CH\n 4<\/jats:sub>\n \/CO\n 2<\/jats:sub>\n conversions of 21.46%\/24.10% and a H\n 2<\/jats:sub>\n \/CO ratio of 0.91 at 500\u00b0C, and approaches equilibrium (86.77%\/92.78%) at 750\u00b0C. 1NiRu\/CeO\n 2<\/jats:sub>\n demonstrates outstanding stability over 150\u00a0h, with negligible carbon deposition compared to 1Ru\/CeO\n 2<\/jats:sub>\n . Operando spectroscopy and theoretical calculations reveal preferential CH\n 4<\/jats:sub>\n activation at Ru sites in the isolated Ni\u2010Ru dual\u2010site structure. The Ru\n \u03b4+<\/jats:sup>\n \u2212O\n v<\/jats:sub>\n \u2212Ce\n 3+<\/jats:sup>\n interfacial sites preferentially dissociate CH\n 4<\/jats:sub>\n into CH\n 3<\/jats:sub>\n *<\/jats:sup>\n species that are further oxidized to CH\n 3<\/jats:sub>\n O\n *<\/jats:sup>\n via a low\u2010barrier, lattice oxygen\u2010mediated pathway, while Ni\n \u03b4+<\/jats:sup>\n \u2212O\n v<\/jats:sub>\n \u2212Ce\n 3+<\/jats:sup>\n sites readily activate CO\n 2<\/jats:sub>\n and replenish O\n lattice<\/jats:sub>\n . This oxidative pathway effectively suppresses CH\n x<\/jats:sub>\n deep dehydrogenation and, coupled with Ni\u2010driven CO\n 2<\/jats:sub>\n activation, establishes a self\u2010sustaining O\n lattice<\/jats:sub>\n \/O\n v<\/jats:sub>\n redox cycle. This synergistic cycle enables a site\u2010selective division of labour for CH\n 4<\/jats:sub>\n \/CO\n 2<\/jats:sub>\n activation, thereby maintaining coke\u2010resistant activity across 400\u00b0C\u2013750\u00b0C. This work establishes a generalizable strategy for isolated dual\u2010site catalyst design, where Ru\u2010preferential CH\n 4<\/jats:sub>\n activation and vacancy\u2010governed interfacial cooperation orchestrate low\u2010temperature activity, stability, and coke resistance, enabling efficient and durable CH\n 4<\/jats:sub>\n \/CO\n 2<\/jats:sub>\n valorization via dry reforming.\n <\/jats:p>","DOI":"10.1002\/smll.75232","type":"journal-article","created":{"date-parts":[[2026,8,13]],"date-time":"2026-08-13T06:19:28Z","timestamp":1786601968000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Resolving the Activity\u2013Stability Trade\u2010Off in Methane Dry Reforming via Ru\u2010Preferential CH\n 4<\/sub>\n Activation on Isolated Ni\u2013Ru Dual Sites"],"prefix":"10.1002","volume":"22","author":[{"given":"Jingyi","family":"Wang","sequence":"first","affiliation":[{"name":"School of Chemical Engineering and Technology Xi'an Jiaotong University Xi'an Shaanxi People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9007-4817","authenticated-orcid":false,"given":"Ming","family":"Li","sequence":"additional","affiliation":[{"name":"School of Chemical Engineering and Technology Xi'an Jiaotong University Xi'an Shaanxi People's Republic of China"},{"name":"School of Materials Science and Engineering Shenyang Aerospace University Shenyang People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Metallurgy and Environment Central South University Changsha People's Republic of China"},{"name":"Hunan Joint International Research Center For Carbon Dioxide Resource Utilization School of Physics Central South University Changsha People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xingmin","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Materials Science and Engineering Shenyang Aerospace University Shenyang People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guofei","family":"Xia","sequence":"additional","affiliation":[{"name":"Longteng Lighting Group Co., Ltd. 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