Table 1 Electrolyte compositions for CO2 electrolysis.
From: Efficiency and selectivity of CO2 reduction to CO on gold gas diffusion electrodes in acidic media
Conductivity | ||||
|---|---|---|---|---|
cation | Λ+ 10−4·S·m2·mol−1 | anion | Λ−10−4·S·m2·mol−1 | |
H+ | 349.6 | OH− | 198 | |
Rb+ | 77.8 | SO42− | 160 | |
Cs+ | 77.2 | CO32− | 138.6 | |
K+ | 73.4 | HPO42− | 114 | |
Na+ | 50.1 | Br− | 78.1 | |
Li+ | 38.7 | I− | 76.8 | |
Cl− | 76.3 | |||
NO3− | 71.4 | |||
ClO4− | 67.3 | |||
F− | 55.4 | |||
HCO3− | 44.5 | |||
H2PO4− | 36 | |||
Solubility | ||||
salt | molal* | salt | molal* | |
KOH | 21.6 | K2HPO4 | 8.6 | |
K2SO4 | 6.9 | KBr | 45.0 | |
K2CO3 | 8.0 | KNO3 | 31.3 | |
KHCO3 | 2.2 | KClO4 | 0.1 | |
