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ECSA, JWE & Rf values for erGO/GCE, GO/GCE and GCE determined using EIS data
| erGO/GCE | GO/GCE | GCE | |
|---|---|---|---|
| ECSA (cm2) | 2.468 | 1.095 | 2.374 |
| Rf | 8.727 | 3.874 | 8.395 |
| JWE (μA/cm2) | 190.220 | 30.885 | 82.436 |
where ‘ECSA’ is the electrochemically active surface area, ‘Rf’ is roughness factor, and ‘JWE’ is exchange current density
