Li-ion Batteries

Li-ion batteries are rechargeable energy storage devices that use lithium ions to move between two electrodes—an anode and a cathode—during charging and discharging. When charging, lithium ions flow from the cathode to the anode, storing energy; when discharging, they move back, releasing energy to power devices. They are widely used in portable electronics, electric vehicles, and renewable energy systems due to their high energy density, lightweight design, and long lifespan. Essentially, they store electrical energy chemically and release it efficiently when needed.