PVDF nanocomposites with aligned boron nitride nanosheets and dispersed BaTiO3@PEG nanoparticles by a superspreading strategy towards high energy density†
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Abstract
The limited improvement in discharge energy density (Ue) of polyvinylidene fluoride (PVDF) nanocomposites filled with low-dielectric-constant (εr) nanosheets has been addressed by using a superspreading layering strategy. The integration of highly aligned boron nitride nanosheets (BNNS) and well-dispersed BaTiO3@PEG (BT@PEG) nanoparticles into the PVDF matrix results in a significant enhancement, increasing Eb and εr by 52% and 64%, respectively, and achieving an Ue of up to 20.12 J cm−3.
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