Study on the Electrochemical Performance of Sacrificial Anode Interfered by DC Stray Current

Table 5

The corrosion electrochemical parameters of the anode under different chloride ion concentration conditions.

Experiment days; (d)	Chloride; ion concentration	Cathodic slope	Anodic; slope	Polarization resistance (Ωcm^2)	Corrosion current; density; (μA/mm^2)
0	0%	-5.234	4.497	5.058	0.87
	origin	-5.131	4.834	2.184	2.31
	0.1%	-5.219	5.031	1.387	3.06
	0.3%	-6.221	5.213	0.805	4.79
2	0%	-4.565	4.716	5.581	0.72
	origin	-4.738	5.027	3.670	1.61
	0.1%	-5.343	5.134	2.871	1.63
	0.3%	-6.178	5.562	2.575	1.79
4	0%	-4.432	4.911	6.570	0.57
	origin	-4.641	4.821	4.693	0.97
	0.1%	-5.019	5.076	4.587	0.98
	0.3%	-6.038	5.713	2.930	1.14
6	0%	-4.572	4.702	7.123	0.53
	origin	-4.713	4.926	6.023	0.63
	0.1%	-4.934	5.123	5.775	0.76
	0.3%	-5.997	5.803	4.853	0.98
8	0%	-4.544	4.932	8.157	0.48
	origin	-4.724	5.118	7.718	0.54
	0.1%	-4.872	5.021	7.103	0.71
	0.3%	-5.846	5.916	6.379	0.82