4.6 Article

In situ generated controllable Ag0-Ag+ sites for enhanced eletroreduction of CO2 to CO

Journal

ELECTROCHIMICA ACTA
Volume 470, Issue -, Pages -

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2023.143328

Keywords

Carbon dioxide; Electrocatalysis; Ionic liquids; Green chemistry; Ag0-Ag+ sites

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In situ reduction of AgI to Ag nanoparticles supported on C-doped boron nitride (AgI/BN-C) was developed for CO2 electroreduction to CO. The enhanced performance, with a faradaic efficiency of 99.5% and a high current density of 56.3 mA cm-2, can be mainly attributed to the controllable construction of Ag0-Ag+ sites.
In situ reduction of AgI to Ag nanoparticles (AgNPs) supported on C-doped boron nitride (AgI/BN-C) was developed for CO2 electroreduction to CO with a much enhanced faradaic efficiency (FE) of 99.5 % and a high current density of 56.3 mA cm-2. The enhanced performance is mainly attributed to the controllable construction of Ag0-Ag+ sites, which effectively provides a large number of active sites, enhances the adsorption strength of the intermediate and accelerates the reaction kinetics.

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