{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T04:09:29Z","timestamp":1773029369038,"version":"3.50.1"},"reference-count":56,"publisher":"MDPI AG","issue":"13","license":[{"start":{"date-parts":[[2023,6,26]],"date-time":"2023-06-26T00:00:00Z","timestamp":1687737600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["21802129"],"award-info":[{"award-number":["21802129"]}]},{"name":"National Natural Science Foundation of China","award":["2020010601012203"],"award-info":[{"award-number":["2020010601012203"]}]},{"name":"Project of Wuhan Science and Technology","award":["21802129"],"award-info":[{"award-number":["21802129"]}]},{"name":"Project of Wuhan Science and Technology","award":["2020010601012203"],"award-info":[{"award-number":["2020010601012203"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nanomaterials"],"abstract":"<jats:p>Bimetallic catalysts, especially non-noble metals, hold great potential for substituting for noble metals in catalytic hydrogenation. In present study, a series of CoxNiy (x + y = 6) bimetallic catalysts were prepared through the impregnation\u2013reduction method and cyclohexene was chosen as probe-molecule to study the promotion effect of Co on the catalytic olefin hydrogenation reactions. Meanwhile, density functional theory (DFT) was utilized to investigate the formation energies and the charge distribution of CoNi bimetals, as well as the transition state (TS) searches for hydrogen dissociation and migration. The results suggest that bimetals tend to have superior catalytic performance than pure metals, and Co3Ni3 shows the highest catalytic activity on the cyclohexene hydrogenation. It was found that the charge transfer from Co to Ni and the alloying give rise to the refinement of CoNi grains and the improvement of its catalytic activity and stability. Thus, it may be possible to obtain better catalytic performance by tuning the metal\/metal atomic ratio of bimetals.<\/jats:p>","DOI":"10.3390\/nano13131939","type":"journal-article","created":{"date-parts":[[2023,6,27]],"date-time":"2023-06-27T01:49:21Z","timestamp":1687830561000},"page":"1939","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Co-Promoted CoNi Bimetallic Nanocatalyst for the Highly Efficient Catalytic Hydrogenation of Olefins"],"prefix":"10.3390","volume":"13","author":[{"given":"Fei","family":"Wu","sequence":"first","affiliation":[{"name":"Wuhan Institute of Marine Electric Propulsion, Wuhan 430064, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yueying","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Materials Science & Engineering, Anhui University of Technology, Maanshan 243002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9083-6984","authenticated-orcid":false,"given":"Shunxin","family":"Fei","sequence":"additional","affiliation":[{"name":"School of Materials Science & Engineering, Anhui University of Technology, Maanshan 243002, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gang","family":"Zhu","sequence":"additional","affiliation":[{"name":"Wuhan Institute of Marine Electric Propulsion, Wuhan 430064, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,6,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"8734","DOI":"10.1021\/jacs.2c02422","article-title":"Stereoselective Iridium-N,P-Catalyzed Double Hydrogenation of Conjugated Enones to Saturated Alcohols","volume":"144","author":"Peters","year":"2022","journal-title":"J. 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