التفاصيل البيبلوغرافية
| العنوان: |
Sequential *CO management via controlling in situ reconstruction for efficient industrial-current-density CO2-to- C2+ electroreduction. |
| المؤلفون: |
Mao Wu, Danji Huang, Feili Lai, Ruoou Yang, Yan Liu, Jiakun Fang, Tianyou Zhai, Youwen Liu |
| المصدر: |
Proceedings of the National Academy of Sciences of the United States of America; 10/3/2023, Vol. 120 Issue 40, p1-30, 40p |
| مصطلحات موضوعية: |
ELECTROLYTIC reduction, ACTIVATION energy, COPPER, DIFFUSION gradients, ARCHITECTURAL firms, DIMERIZATION |
| مستخلص: |
Sequentially managing the coverage and dimerization of *CO on the Cu catalysts is desirable for industrial-current-density CO2 reduction (CO2R) to C2+, which required the multiscale design of the surface atom/architecture. However, the oriented design is colossally difficult and even no longer valid due to unpredictable reconstruction. Here, we leverage the synchronous leaching of ligand molecules to manipulate the seeding-growth process during CO2R reconstruction and construct Cu arrays with favorable (100) facets. The gradient diffusion in the reconstructed array guarantees a higher *CO coverage, which can continuously supply the reactant to match its high-rate consumption for high partial current density for C2+. Sequentially, the lower energy barriers of *CO dimerization on the (100) facets contribute to the high selectivity of C2+. Profiting from this sequential *CO management, the reconstructed Cu array delivers an industrial-relevant FEC2+ of 86.1% and an FEC2H4 of 60.8% at 700 mA cm-2. Profoundly, the atomic-molecular scale delineation for the evolution of catalysts and reaction intermediates during CO2R can undoubtedly facilitate various electrocatalytic reactions. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
