Construction of a self-supporting bifunctional Sn-SnS electrocatalyst via one-step electrodeposition for formate production from coupled CO reduction and glucose oxidation
Green Chemistry, ISSN: 1463-9270, Vol: 26, Issue: 18, Page: 9888-9898
2024
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
The electroconversion of carbon dioxide (CO) into value-added chemicals has attracted widespread attention worldwide. Exploring efficient catalysts and designing reasonable reactants have become popular research directions in the strategy of coupling anode and cathode reactions. Herein, we report the construction of a self-supporting bifunctional Sn-SnS electrode using a one-step electrodeposition method. The valence states of Sn at the Sn-SnS surface are Sn, Sn and Sn, and the electrode exhibits excellent performances for the carbon dioxide reduction reaction (CORR) and glucose oxidation reaction (GOR), respectively. For the CORR, the Sn-SnS electrode produced formate with a faradaic efficiency (FE) of 93.3% and a stability of 36 h. Meanwhile, tin sulfides were first applied in anodic oxidation and a high FE of 88% was achieved for formate production in the GOR. Impressively, Sn-SnS as a bifunctional electrode achieved co-production of formate at both the anode and cathode in the integrated electrolyzer coupled with the CORR and GOR. This coupling process combines the technical means of “electrooxidation-electroreduction” with the choice of reactants “CO-CHO”, resulting in FE values of 93.9% and 87.4% at the cathode and anode for the production of formate, as well as a 58.3% electrical energy saving for formate production in comparison with the traditional CORR coupled with the water oxidation reaction.
Bibliographic Details
Royal Society of Chemistry (RSC)
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