Frequency and Temperature Dependences of Dielectric Dispersion and Electrical Properties of Polyvinylidene Fluoride/Expanded Graphite Composites

Table 2

Parameters depicting the frequency dependence of electrical properties of PVDF/EG composites.

Φ (wt%/vol%)	𝜎DC(S⋅m^−1)	𝑓𝑐 (Hz)	𝑢	𝐴	𝜀DC	𝑣
0/0	3.26E−11	—	1.03±0.02	4.06E−12	12.7	—
2/1.56	3.63E−11	—	1.06±0.02	3.55E−12	24.3	—
4/3.14	8.38E−11	—	1.06±0.02	8.40E−12	48.8	—
6/4.73	1.78E−10	—	1.05±0.02	1.41E−11	82.3	0.21±0.01
8/6.33	1.07E−3	4.0E+4	0.67±0.01	6.88E−8	680	0.24±0.01
10/7.95	0.072	2.5E+6	—	1.18E−8	—	—
12/9.59	0.127	6.5E+6	—	6.12E−11	—	—
14/11.24	0.729	1.6E+7	—	3.37E−10	—	—