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Battery Cycle Aging & Capacity Fade Simulator

Interactive lithium-ion battery aging simulator: watch Li+ ions shuttle between electrodes each charge/discharge cycle while an SEI passivation layer grows on the anode, and see how C-rate, temperature and depth of discharge drive real capacity-fade curves.

Materials Science2DModerate60 FPS📱 Mobile-adapted⚡ Plasma

This simulation explores the complex electrochemical processes within advanced lithium-ion batteries as they age. A real 3D cell renders Li⁺ ions shuttling between a cathode and a graphite anode on every simulated charge/discharge cycle, while a solid-electrolyte-interphase (SEI) film visibly thickens on the anode surface — the dominant mechanism behind long-term capacity fade. Adjusting C-rate, cell temperature and depth of discharge drives a real square-root-of-cycles aging model with an Arrhenius temperature dependence, and live readouts track cycle count, state of charge, SEI thickness and capacity retention down to the pack's 80% end-of-life threshold, showing exactly how usage patterns affect battery performance and longevity.

⚙ Under the hood

This simulation allows users to explore the complex electrochemical processes within advanced batteries, such as lithium-ion and solid-state designs. By manipulating parameters like voltage, current, and temperature, you can observe how these changes affect battery performance and longevity.

Battery Technology

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install