Constructing dual interfacial gold nanodot interlayers in sandwich-structured BaTiO3/P(VDF-HFP) composites for high energy storage density

Dual interfacial gold nanodot interlayers are introduced into a BT/P(VDF-HFP) trilayer composite to achieve a significantly improved discharge energy density of 14.78 J cm −3 , which is approximately 176.4% that of the BT-3L composite (∼8.38 J cm −3 ).