A battery stores energy by moving ions between two electrodes through an electrolyte, charging and discharging as they intercalate into an active material coated onto a metal current-collector foil. Electrologic formulates and coats those active materials — for both the anode and the cathode — applying the same electrode-interface discipline used in our CDI work to energy storage instead of water treatment.
Simplified single-cell cross-section. A production cell stacks or winds many such layers together.