Novel Ag@BaTiO3@PDA@Ag/P(VDF-HFP) composite films exhibited excellent discharged energy density (17.25 J cm−3) and ultrafast discharge time (∼139 ns).

Nanocomposite films loaded with small 2D NaNbO3@Al2O3 platelets exhibit a high discharge energy density of 14.59 J cm−3 and simultaneously an outstanding discharge efficiency of 70.1%.

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To extend the potential applications of polylactide (PLA) in film blowing, foaming, thermal molding, and so on, the high-viscosity PLA composites with various compositions of carboxyl-ended polyester (CP) and solid epoxy (SE) have been successfully prepared by an in situ reaction blending process. Their rheological properties, crystallization behaviors, tensile properties, and morphologies have been investigated in detail. The results show that the complex viscosity g*, G 0 , and G 00 at low-frequency region and the tensile strength of PLA composites are obviously improved with the addition of CP/SE, but the nonisothermal crystallization of PLA component is hindered. SEM reveals that some microphase separations existed in the as-prepared composites.