Table 2.

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

Deposit	− Ecorr mV	βa mV/decade	− βc mV/decade	icorr µA/cm2	%P
Bare steel	672.10	106.34	144.62	26.29	–
Steel + Ni@BC@SA	526.52	129.05	159.81	2.22	91.56
Steel + Ni@Co-BC@SA	429.13	82.229	386.89	1.12	95.74