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Li, Yuhang; Xu, Aoni; Lum, Yanwei; Wang, Xue; Hung, Sung-Fu; Chen, Bin; Wang, Ziyun; Xu, Yi; Li, Fengwang; Abed, Jehad; Huang, Jianan Erick; Rasouli, Armin Sedighian; Wicks, Joshua; Sagar, Laxmi Kishore; Peng, Tao; Ip, Alexander H.; Sinton, David; Jiang, Hao; Li, Chunzhong; Sargent, Edward H.
Nature communications, 12/2020, Letnik: 11, Številka: 1Journal Article
Abstract Electroreduction uses renewable energy to upgrade carbon dioxide to value-added chemicals and fuels. Renewable methane synthesized using such a route stands to be readily deployed using existing infrastructure for the distribution and utilization of natural gas. Here we design a suite of ligand-stabilized metal oxide clusters and find that these modulate carbon dioxide reduction pathways on a copper catalyst, enabling thereby a record activity for methane electroproduction. Density functional theory calculations show adsorbed hydrogen donation from clusters to copper active sites for the *CO hydrogenation pathway towards *CHO. We promote this effect via control over cluster size and composition and demonstrate the effect on metal oxides including cobalt(II), molybdenum(VI), tungsten(VI), nickel(II) and palladium(II) oxides. We report a carbon dioxide-to-methane faradaic efficiency of 60% at a partial current density to methane of 135 milliampere per square centimetre. We showcase operation over 18 h that retains a faradaic efficiency exceeding 55%.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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