Quartz crystal microbalance (QCM) study of electrochemical CO<sub>2 </sub>reduction on Sn electrocatalysts
<p dir="ltr">The extenuation of CO<sub>2</sub> emissions using electrochemical CO<sub>2</sub> reduction (ECR) is a promising approach. Electrochemical routes offer a number of benefits, including customizable layout, precise product modification, mild operatio...
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2025
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| Summary: | <p dir="ltr">The extenuation of CO<sub>2</sub> emissions using electrochemical CO<sub>2</sub> reduction (ECR) is a promising approach. Electrochemical routes offer a number of benefits, including customizable layout, precise product modification, mild operational temperatures, and the ability to combine CO<sub>2</sub> reduction with the production of renewable electricity. Nevertheless, the essential technique for reprocessing CO<sub>2</sub> as a renewable resource is electrochemical CO<sub>2</sub> reduction, yet CO<sub>2</sub> adsorption/reduction on catalyst surfaces is challenging. To address these concerns, Mn<sub>3</sub>O<sub>4</sub> and Sn were produced in this work at room temperature via an electrodeposition technique, which was combined with a quartz crystal microbalance (QCM) sensor suitable for room-temperature monitoring of ECR. QCM is a compelling technique for closely inspecting the responses of CO<sub>2</sub> reduction in real time under various applied conditions. QCM was used for the first time to study the effects of Sn electrocatalysts for ECR research, and revealed the CO<sub>2</sub> adsorption/reduction capabilities of diverse Sn catalysts. A broad investigation showed the CO<sub>2</sub> reduction detecting ability of Sn coated QCM sensors at room temperature. The final results revealed that Sn catalysts' capacity to reduce CO<sub>2</sub> was evident both with and without CO<sub>2</sub> present in the solution of sodium bicarbonate electrolyte. For all the appropriate conditions, the effect of CO<sub>2</sub> saturated electrolyte solution on the frequency and mass change with time along with applied potential were discussed in detail.</p><h2>Other Information</h2><p dir="ltr">Published in: International Journal of Hydrogen Energy<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.ijhydene.2025.02.315" target="_blank">https://dx.doi.org/10.1016/j.ijhydene.2025.02.315</a></p> |
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