Fig. 4: Performance comparison with state-of-the-art CO2-to-HCOOH conversion systems. | Nature Communications

Fig. 4: Performance comparison with state-of-the-art CO2-to-HCOOH conversion systems.

From: Membrane-free CO2 electrolyzer design for economically efficient formic acid electro-synthesis

Fig. 4: Performance comparison with state-of-the-art CO2-to-HCOOH conversion systems.

a Cell voltage versus electrical energy consumption. Bubble size reflects applied current densities. b Amount of passed charge versus electricity-to-HCOOH conversion efficiency. Bubble size reflects the HCOOH yield. The reference number corresponds to that in Supplementary Table 13. Source data are provided as a Source Data file.

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