Table 1. Current Cutting-Edge Achievements of eCO2R in the MEA System for CO, HCOOH, and C2H4.
product | catalyst | electrolyte | FE (%) | Ecell (V) | EE (%) | stability (h) | reference |
---|---|---|---|---|---|---|---|
CO | Ag | 1 M KOH | 98 | 3 | 43.45 | 4,380 | (30) |
CO | Ag | 0.01 M KHCO3 | 95 | 3 | 42.12 | 3,800 | (54) |
CO | Ag | 0.1 M K2SO4/1.5 M KHCO3 | 60 | 7 | 11.4 | 1,200 | (31) |
CO | Ag | 0.01 M KHCO3 | 98 | 2.95 | 44.18 | 760 | (55) |
CO | Ag | 0.5 M KHCO3 | 92 | 3.5 | 34.96 | 200 | (29) |
CO | Ag | 0.1 M CsOH | 90 | 3 | 39.9 | 100 | (28) |
CO | Au | DI | 93 | 2.24 | 55.22 | 100 | (64) |
CO | Ni–N–C | 0.1 M KHCO3 | 100 | 2.46 | 54.07 | 20 | (57) |
CO | Ag | 1 M KOH | 99 | 2.23 | 59.04 | 20 | (58) |
CO | CoPc-CN/CNT | 1 M KOH | 93 | 2 | 61.85 | 10 | (59) |
CO | Ag | 7 M KOH | 86 | 2.8 | 40.85 | 10 | (60) |
CO | Ag | 0.01 M KHCO3 | 90 | 3 | 39.9 | 10 | (61) |
CO | CoPC | 1 M KOH | 95 | 2.4 | 52.65 | 8 | (62) |
CO | Zn2P2O7 | 1 M KOH | 93.9 | 2.15 | 58.09 | 6.7 | (63) |
CO | Ag | 5 M KOH | 73 | 2.75 | 35.31 | 5 | (27) |
HCOOH | r-Pb | 0.5 M K2SO4 | 90 | 2.2 | 54.41 | 5,200 | (40) |
HCOOH | Sn | DI | 94 | 3.7 | 33.79 | 142 | (65) |
HCOOH | Bi | 0.1 M KOH | 80 | 3 | 35.47 | 100 | (66) |
HCOOH | Sn | 1 M KOH | 95 | 2.1 | 60.17 | 48 | (70) |
HCOOH | SnO2 | 1 M KOH | 61 | 2.3 | 35.27 | 35 | (59) |
HCOOH | nBuLi-Bi | PSE | 90 | 1.35 | 88.67 | 30 | (2) |
HCOOH | Sn | 2 M KOH | 81 | 2.7 | 40.5 | 25 | (67) |
HCOOH | SnO2 | 0.4 M K2SO4 | 80 | 3.61 | 29.47 | 11 | (68) |
HCOOH | Pb | 0.5 M K2SO4, H2SO4 | 82 | 2.8 | 38.95 | 8.3 | (69) |
C2H4 | Cu | 0.1 M KHCO3 | 62 | 3.6 | 19.81 | 190 | (71) |
C2H4 | Cu | 7 M KOH | 70 | 2.4 | 39.38 | 150 | (72) |
C2H4 | Sputtering Cu | 1 M KOH | 65 | 2.85 | 26.23 | 110 | (73) |
C2H4 | Cu | 0.1 M KHCO3 | 38 | 3.75 | 11.65 | 100 | (74) |
C2H4 | Cu(100)-rich film | 0.1 M KHCO3 | 55.8 | 2.3 | 27.9 | 4.5 | (12) |