Diagram Representing Alkaline Issues in a Zero-Gap CO₂ Electrolysis Device (IMAGE)
Caption
The upper figure depicts the CO₂ reduction reaction at an appropriate current density, while the lower figure illustrates the CO₂ reduction reaction at a high current density in a diagrammatic form. In the CO₂ reduction reaction, hydroxide ions (OH⁻) are generated more abundantly at high current densities, combining with CO₂ and preventing its transfer to the catalyst surface, which reduces performance.
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Korea Institute of Science and Technology
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