SMRTR Science & EngineeringSep 25, 2025Interesting Engineering

Engineers develop EV tech that ejects batteries like missiles to prevent explosions

SMRTR summary

Chinese engineers tested an emergency system that launches overheating EV batteries from vehicles like missiles during thermal runaway events, ejecting the battery pack 10-20 feet away in under a second to protect passengers from fire or explosion. Critics argue this creates dangerous projectiles that could harm pedestrians or other vehicles on busy roads, calling it potentially more hazardous than the fires it aims to prevent.

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