Hierarchical micro/nanostructured silver hollow fiber boosts electroreduction of carbon dioxide
Shoujie Li,
Wei Chen (),
Xiao Dong,
Chang Zhu,
Aohui Chen,
Yanfang Song,
Guihua Li,
Wei Wei () and
Yuhan Sun ()
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Shoujie Li: Chinese Academy of Sciences
Wei Chen: Chinese Academy of Sciences
Xiao Dong: Chinese Academy of Sciences
Chang Zhu: Chinese Academy of Sciences
Aohui Chen: Chinese Academy of Sciences
Yanfang Song: Chinese Academy of Sciences
Guihua Li: Chinese Academy of Sciences
Wei Wei: Chinese Academy of Sciences
Yuhan Sun: Chinese Academy of Sciences
Nature Communications, 2022, vol. 13, issue 1, 1-9
Abstract:
Abstract Efficient conversion of CO2 to commodity chemicals by sustainable way is of great significance for achieving carbon neutrality. Although considerable progress has been made in CO2 utilization, highly efficient CO2 conversion with high space velocity under mild conditions remains a challenge. Here, we report a hierarchical micro/nanostructured silver hollow fiber electrode that reduces CO2 to CO with a faradaic efficiency of 93% and a current density of 1.26 A · cm−2 at a potential of −0.83 V vs. RHE. Exceeding 50% conversions of as high as 31,000 mL · gcat−1 · h−1 CO2 are achieved at ambient temperature and pressure. Electrochemical results and time-resolved operando Raman spectra demonstrate that enhanced three-phase interface reactions and oriented mass transfers synergistically boost CO production.
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-30733-6
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DOI: 10.1038/s41467-022-30733-6
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