The latest advancement in capacitor technology offers a 19-fold increase in energy storage, potentially revolutionizing power sources for EVs and devices.

Unlike batteries, which store energy through electrochemical reactions, capacitors store energy in an electric field established between two metallic plates separated by a dielectric material.

For the record, capacitors store energy in an electric field between two metallic plates separated by a dielectric material.

This charge separation allows the capacitor to store energy. This diagram shows the fundamental components of a capacitor—positive and negative electrodes flanking a dielectric material. When voltage ...

Electric cars and laptop batteries could charge up much faster and last longer thanks to a new structure that can be used to make much better capacitors in the future.