Poly(3,4‐ethylenedioxythiophene) (PEDOT) conductive polymer and polyvinylidene difluoride (PVDF) piezoelectric polymer thin films were formed by dip‐coating method. The relationship between drawing speed and film thickness was experimentally investigated. Dip‐coated PEDOT and PVDF thin films were characterized and confirmed that both had surely worked as electrode and piezoelectric film of a flexible power generation element, respectively. Using dip‐coating method, these thin films were successfully formed on 3D surface of a bellows shaped spring made of silicone rubber.

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