Figure 7

Frequency dependence of the imaginary part of electric modulus at various temperatures of (a) P(VDF-HFP), and its composites filled with 15 vol.% (b) TiO₂, (c) 1.5 wt.% carbon-loading TiO₂/C and (d) 6.7 wt.% carbon-loading TiO₂/C particles.