Table 1.
Starting time and maximum current density (Max J) observed in Step 3 (from Figs. 2 and S1). The first two columns give the operating conditions used in Step 2. The starting time was arbitrarily defined as the time at which current density reached 0.24 A.m-2.
|
Step 2 |
Step 3 |
||||
|---|---|---|---|---|---|
| Electric field | KCl in end compartments | CCA |
CCC |
||
| Starting time (day) | Max J (A.m-2) | Starting time (day) | Max J (A.m-2) | ||
| no | yes | 6.1 | 0.37 | – | 0.07 |
| – | 0.03 | – | 0.03 | ||
| 2 h | yes | 6.9 | 0.46 | 6.3 | 2.9 |
| 6.1 | 0.37 | – | 0.19 | ||
| 3 h | yes | 5.1 | 9.0 | 3.7 | 11.6 |
| 6.3 | 3.9 | 4.3 | 10.6 | ||
| 3 h | no | 4.8 | 3.6 | 4.4 | 3.4 |
| 5.3 | 0.24 | 4.4 | 0.5 | ||