Table 5.
AEM electro-resistances, electric double-layer, and diffusion boundary layer effects in 0.5 M NaCl aqueous solutions, measured through equivalent circuit model tool.
| Membrane Type | RM
(Ω·cm2) |
REDL (Ω·cm2) | RDBL (Ω·cm2) | CEDL (µF) |
CDBL (µF) |
X2 Error Function |
|---|---|---|---|---|---|---|
| (1) Unmodified | 5.01 ± 0.52 | 1.83 ± 0.23 | 0.74 ± 0.15 | 115 ± 16 | 46 ± 10 | 0.0023 |
| (2) One side 1 g/L PAA | 5.14 ± 0.50 | 1.98 ± 0.08 | 0.89 ± 0.14 | 200 ± 19 | 93 ± 16 | 0.0028 |
| (3) One side 3 g/L PAA | 5.21 ± 0.04 | 1.56 ± 0.18 | 0.67 ± 0.08 | 188 ± 12 | 67 ± 8 | 0.0023 |
| (4) Both sides 3 g/L PAA | 5.33 ± 0.16 | 1.92 ± 0.17 | 0.53 ± 0.01 | 72 ± 12 | 19 ± 4 | 0.0020 |
| (5) One side 5 g/L PAA | 5.36 ± 0.18 | 1.58 ± 0.02 | 0.68 ± 0.02 | 140 ± 15 | 42 ± 5 | 0.0023 |