Table 6 Corrosion parameters obtained from the potentiodynamic polarisation analysis.

From: Next-generation polydopamine nanocoatings advancing the understanding of surface properties and antimicrobial efficacy

Parameters

PDA coated disc

Zwitterionic coated disc

Corrosion potential, E(corr)

−0.038 V

−0.03 V

corrosion current density, i(corr)

5.92 × 10− 6 Acm− 2

3.55 × 10− 6 Acm− 2

Anodic Tafel slope

0.203 V

0.215 V

Cathodic Tafel slop

−0.133 V

−0.118 V

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