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. 2023 Jun 10;13:9453. doi: 10.1038/s41598-023-36589-0

Table 3.

The EIS parameters for the bare and SHP coated steel in 0.5 M NaCl solution.

Deposit Rs (Ohm cm2) n1 CPEdl × 10–6 (sn−1 cm2) W × 10–4 Rct (Ohm cm2) %P
Bare steel 1.8 0.76 288.4 401.2 332
Steel + Ni@BC@SA 3.4 0.78 44.3 16.3 7978 95.84
Steel + Ni@Co-BC@SA 4.9 0.79 25.8 12.8 12,044 97.24