Construction of sandwich‐layered polyimide hybrid films containing double core–shell structured fillers for high energy storage density
Xianwu Cao,
Nahong Zhang,
Lu Zhao
et al.
Abstract:The inherent low dielectric constant of polyimide (PI) dielectrics restricts their applications to become a component of high energy density film capacitors. In this work, double core–shell structured barium titanate@magnesium oxide@polydopamine (BaTiO3@MgO@PDA) nanoparticles were synthesized successfully and utilized as high dielectric constant functional fillers for PIs, in which the insulating MgO layer meliorated dielectric constant difference between BaTiO3 and PI matrix, and the organic PDA layer improve… Show more
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