Sample | ECSA/m2∙g−1 | Onset potential/V | ∆E1/2/V | limited current | |||
Pt/PCNFs | 60 | 0.90 | 0.762 | −5.446 | |||
Pt/PCNFs(CaCO3 0.5%) | 63 | 0.89 | 0.730 | −5.263 | |||
Pt/PCNFs(CaCO3 1%) | 82 | 0.93 | 0.799 | −5.633 | |||
Pt/PCNFs(CaCO3 2%) | 28 | 0.88 | 0.717 | −5.588 | |||
Pt/PCNFs(CaCO3 3%) | 23 | 0.89 | 0.715 | −4.587 | |||
JM20 | 77 | 0.91 | 0.773 | −5.934 | |||