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Flexible Nanogenerators
In article number 2103161, Yang Cao and co‐workers describe a new all‐organic flexible nanogenerator with expanded polytetrafluoroethylene (ePTFE)‐based ferroelectret and fabric‐based electrodes. Like a charge‐spring of three deformable dipoles, the outer electret‐plus‐electrode double layers form active device layers with deformable electric dipoles that strongly contribute...
Due to their electrically polarized air‐filled internal pores, optimized ferroelectrets exhibit a remarkable piezoelectric response, making them suitable for energy harvesting. Expanded polytetrafluoroethylene (ePTFE) ferroelectret films are laminated with two fluorinated‐ethylene‐propylene (FEP) copolymer films and internally polarized by corona discharge. Poly(3,4‐ethylenedioxythiophene):poly(styrene...
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