Table 4 Comparison of capacitance and specific capacity for the 3D-SC over the range of applied currents (0.5–200 μA), calculated for the whole device, the working electrode (WE) and the active material within the printed 3DE (i.e. 8% graphene).
Current Applied/μA | Capacitance/μF | Specific Capacity/μF g−1 | ||
|---|---|---|---|---|
Device | WE | Active Material | ||
0.5 | 28.07 | 17.17 | 63.11 | 485.47 |
1 | 17.36 | 10.62 | 39.03 | 300.28 |
5 | 13.00 | 7.95 | 29.23 | 224.87 |
10 | 10.46 | 6.40 | 23.52 | 180.93 |
20 | 9.45 | 5.78 | 21.25 | 163.51 |
50 | 8.08 | 4.94 | 18.18 | 139.84 |
100 | 4.08 | 2.49 | 9.180 | 70.61 |
200 | 4.36 | 2.67 | 9.817 | 75.51 |
