Photos courtesy of NeoGraf
Controlling the massive amount of energy stored in electric vehicle (EV) battery packs is critical. Significant advances in cell design and battery management systems (BMS) are addressing this; however, there’s always a possibility of a single cell failure.
In the worst-case scenario, failure of a single cell will cause failure of the cells near it through overheating, and cells can fail in a cascade of thermal events. Recognizing this remote but plausible possibility, EV pack designers added features to limit or eliminate a single cell’s failure from propagating.
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