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Effect of fiber alignment in gelled electrospun membranes based on poly(vinylid...
Costa, Carlos M.; Nunes-Pereira, João; Sencadas, Vitor; Silva, M. Manuela; Lanceros-Mendez, SenentxuBattery separators based on electrospun membranes of poly(vinylidene fluoride) (PVDF) have been prepared in order to study the effect of fiber alignment on the performance and characteristics of the membrane. The prepared membranes show an average fiber diameter of 272 nm and a degree of porosity of 87 %. The gel polymer electrolytes are prepared by soaking the membranes in the electrolyte solution. The alignment ...
Energy harvesting performance of piezoelectric electrospun polymer fibers and p...
Nunes-Pereira, João; Sencadas, Vitor; Correia, Vitor; Rocha, José Gerardo; Lanceros-Mendez, SenentxuThe energy harvesting efficiency of electrospun poly(vinylidene fluoride), its copolymer vinylidene fluoride-trifluoroethylene and composites of the later with piezoelectric BaTiOon interdigitated electrodes has been investigated. Further, a study of the influence of the electrospinning processing parameters on the size and distribution of the composites fibers has been performed. It is found that the best e...
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