Materials and applications of polymer films for power capacitors with special respect to nanocomposites

This review highlights the research conducted on polymers, especially on polymer nanocomposites for electrical energy storage applications in power capacitors. State-of-the-art neat polymers are addressed as well as blends of polymers. Special emphasis is given to polymers filled with ceramic nanoparticles - polymer nanocomposites. The aim of this contribution is to overview the different approaches being made to improve the properties of dielectric polymer films for power capacitors. It concludes with an outlook on the research topics that should be addressed in the future.