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. 2022 Jun 22;12:10530. doi: 10.1038/s41598-022-14353-0

Table 5.

The impedance parameters for the bare steel and superhydrophobic coated steel in 0.5 M NaCl solution.

Deposit Rs (Ω cm2) n1 CPEdl × 10–6 (sn−1 cm2) W × 10–4 Rct (Ω cm2) %P
Bare steel 1.6 0.89 237.6 387.3 1.5
Steel + Ni-SA 2.9 0.86 20.60 6.924 3547 99.96
Steel + Ni-G-SA 4.4 0.79 5.300 1.238 8586 99.98