Fig. 4: EAE performance of Pd-Cu SAA in MEA.
A Conversion of C2H2 and (B) FE of C2H4 in 70% C2H2 in Ar, 25 cm2 MEA, flow rate of 20 mL min−1, and 0.1 M KOH anolyte (the transverse red line directs the location of 90% FE for ethylene). C Conversion in simulative coal-derived C2H2, 1 cm2 MEA, flow rate of 20 mL min−1, and 0.1 M KOH anolyte. D−F The tandem device of 1 cm2 MEA and 25 cm2 MEA (D, F are the chromatogram of 15% acetylene feed gas and polymer-grade ethylene product, respectively. The (E) is the schematic diagram of the MEA series system). G Long-term stability of EAE in the tandem device with simulative coal-derived C2H2 (Ecell is −3.4 V for 1 cm2 MEA). H The effect of flow rate on the EAE of crude ethylene (1% C2H2 residual) in 25 cm2 MEA (the red line indicates the limitation of 5 ppm acetylene). I The simulative purification of crude ethylene, 25 cm2 MEA, flow rate of 20 mL min−1, current set as −50 mA (the red dash line indicates the limitation of 5 ppm acetylene). Error bars correspond to the s. d. of three independent measurements, and the maximum measurement error is ±2.8% (s. d.). The data points without error bars represent single measurements. The results are presented without iR compensation.
