Electrochemical modelling data of pure magnesium, PEO and PEO-CaP coated magnesium samples in SBF (mean ± SD, n = 2).

Material	Time (h)	CPE1 (Ω−1 cm−2 s−n × 10−6)	n	R 1 (Ω cm2)	CPE2 (Ω−1 cm−2 s−n × 10−6)	n	R 2 (Ω cm2)
Pure Mg	2	48.52 ± 3.65	0.8	411.2 ± 73.54	3430.5 ± 516.89	0.9	64.82 ± 61.76
	24	63.27 ± 12.16	0.8	549.1 ± 355.53	4669 ± 2402.75	0.9	190 ± 7.21
	48	95.31 ± 35.33	0.6	383.57 ± 421.34	1375.48 ± 1925.47	0.9	912.5 ± 1071.27
	72	56.41 ± 4.69	0.8	243.47 ± 287.69	1407.95 ± 1914.91	0.9	398.55 ± 354.61
PEO	2	20.1 ± 7.25	0.5	100.43 ± 17.1	34.1 ± 8.21	0.8	3397.33 ± 887.98
	8	34.6 ± 15	0.5	221.97 ± 44.5	17.1 ± 7.47	0.8	6554.33 ± 1795.02
	24	31.5 ± 27.1	0.6	341.97 ± 151.75	14.3 ± 14.5	0.9	6764.67 ± 801.3
	48	54.5 ± 15.3	0.5	481.83 ± 124.4	4.06 ± 0.16	1	5267.67 ± 1504.78
	72	53.2 ± 20.5	0.5	631.23 ± 100.95	3.45 ± 0.69	1	4957.33 ± 1273.79
PEO-CaP	2	1.25 ± 0.35	0.73	17 290 ± 1655	4.45 ± 0.49	0.74	340 850 ± 110 804
	8	0.5 ± 0.5	0.71	4018 ± 2212	6.53 ± 0.45	0.64	198 800 ± 34 648
	24	0.71 ± 0.46	0.71	2293 ± 745	9.67 ± 1.48	0.71	87 710 ± 7919
	48	0.77 ± 0.32	0.72	1549 ± 242	13.51 ± 1.47	0.73	51 450 ± 8598
	72	1.52 ± 0.88	0.67	1278 ± 167	15.3 ± 2.01	0.74	44 100 ± 1061