Simple and affordable method determines chemicals and types of metals best used to produce and retain highest energy charge in a capacitor

https://news.curtin.edu.au/media-releases/new-curtin-study-solves-energy-storage-and-supply-puzzle/

"also... can predict which ionic liquid is likely to be the best performing for fast charging and long-lasting energy storage... a breakthrough for any battery-run devices and technologies reliant on the fast and reliable supply of electricity, including smart phones and tablets"