Estimated values of capacitance (C) and ECSA from CV curves (Fig. 8B and D) at different scan rates for samples Mo5Na and Mo6Na, and capacitance (C3) estimated from CV curves (Fig. 8F) of electrodes Mo5Na and Mo6Na.
| Electrodes after 4 days electrolysis | C at 100 mV s−1 (F cm−2) | ECSA at 100 mV s−1 (cm2 cm−2) | C at 10 mV s−1 (F cm−2) | ECSA at 10 mV s−1 (cm2 cm−2) | C at 1 mV s−1 (F cm−2) | ECSA at 1 mV s−1 (cm2 cm−2) | C 3 at 1 mV s−1 (F cm−2) |
|---|---|---|---|---|---|---|---|
| Mo5Na | 0.0072 | 180 | 0.143 | 3575 | 2.45 | 61 200 | 6.0 |
| Mo6Na | 0.024 | 600 | 0.341 | 8525 | 4.0 | 101 500 | 9.1 |
| (F g−1) | (cm2 g−1) | (F g−1) | (cm2 g−1) | (F g−1) | (cm2 g−1) | (F g−1) | |
| Mo5Na | 0.035 | 880 | 0.69 | 17 400 | 11.9 | 298 000 | 28.7 |
| Mo6Na | 0.093 | 2330 | 1.32 | 33 200 | 15.6 | 394 000 | 35.4 |