Photo 1: The pullout shows a capacitor prototype with stratified 2D nanofillers embedded in the polymer matrix being tested in a University of Houston lab. In the quest for more efficient and ...

Energy-storage devices called capacitors deliver power rapidly, but the amount of energy they can absorb is limited. Deliberately disordered electric dipoles in ‘antiferroelectric’ capacitor materials ...

Dielectric capacitors store energy through polarization rather than chemical reactions, enabling rapid charging, high power density and long cycling life. Polymer films are especially attractive ...

Berkeley Lab scientists create microcapacitors with ultrahigh energy and power density. The microcapacitors are made with engineered thin films of hafnium oxide and zirconium oxide. The technology ...

The choice of dielectric material significantly influences the performance of film capacitors in high-frequency applications, impacting energy storage density, dielectric strength, and overall ...