{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Sun H"],"funding":["Project of Hetao Shenzhen-Hong Kong Science and Technology Innovation Cooperation Zone","Research Grants Council of Hong Kong","Korea Research Council for Industrial Science and Technology","National Natural Science Foundation of China","National Research Foundation of Korea"],"pagination":["e2204800"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9731696"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["9(34)"],"pubmed_abstract":["Urea oxidation reaction (UOR) with a low equilibrium potential offers a promising route to replace the oxygen evolution reaction for energy-saving hydrogen generation. However, the overpotential of the UOR is still high due to the complicated 6e<sup>-</sup> transfer process and adsorption/desorption of intermediate products. Herein, utilizing a cation exchange strategy, Ni-doped CuO nanoarrays grown on 3D Cu foam are synthesized. Notably, Ni-CuO NAs/CF requires a low potential of 1.366 V versus a reversible hydrogen electrode to drive a current density of 100 mA cm<sup>-2</sup> , outperforming various benchmark electrocatalysts and maintaining robust stability in alkaline media. Theoretical and experimental studies reveal that Ni as the driving force center can effectively enhance the urea"],"journal":["Advanced science (Weinheim, Baden-Wurttemberg, Germany)"],"pubmed_title":["Ni-Doped CuO Nanoarrays Activate Urea Adsorption and Stabilizes Reaction Intermediates to Achieve High-Performance Urea Oxidation Catalysts."],"pmcid":["PMC9731696"],"funding_grant_id":["KS2222‐10","2022M3H4A1A01008918","22109169","HZQB-KCZYB-2020083","KS2222-10","16201820","16206019"],"pubmed_authors":["Jung W","Liu J","Kim H","Hu Z","Ciucci F","Chen CT","Song S","Lin HJ","Sun H","Fei L"],"additional_accession":[]},"is_claimable":false,"name":"Ni-Doped CuO Nanoarrays Activate Urea Adsorption and Stabilizes Reaction Intermediates to Achieve High-Performance Urea Oxidation Catalysts.","description":"Urea oxidation reaction (UOR) with a low equilibrium potential offers a promising route to replace the oxygen evolution reaction for energy-saving hydrogen generation. However, the overpotential of the UOR is still high due to the complicated 6e<sup>-</sup> transfer process and adsorption/desorption of intermediate products. Herein, utilizing a cation exchange strategy, Ni-doped CuO nanoarrays grown on 3D Cu foam are synthesized. Notably, Ni-CuO NAs/CF requires a low potential of 1.366 V versus a reversible hydrogen electrode to drive a current density of 100 mA cm<sup>-2</sup> , outperforming various benchmark electrocatalysts and maintaining robust stability in alkaline media. Theoretical and experimental studies reveal that Ni as the driving force center can effectively enhance the urea","dates":{"release":"2022-01-01T00:00:00Z","publication":"2022 Dec","modification":"2025-04-04T22:14:58.672Z","creation":"2025-04-04T22:14:58.672Z"},"accession":"S-EPMC9731696","cross_references":{"pubmed":["36266984"],"doi":["10.1002/advs.202204800"]}}