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Cheap plastic film prevents batteries from catching fire

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Anomalism

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Cheap plastic film prevents batteries from catching fire | Science/AAAS | News

Laptops, airplanes, electric cars, and even the new rolling hoverboards have all faced troubles with lithium-ion batteries bursting into flames. But now, researchers report that they’ve come up with a potential cheap and effective way to prevent batteries from overheating. They’ve added a heat-sensitive polymer sheet to conventional lithium-ion batteries that shuts down their operation if the temperature rises too high. And once the temperature drops, the polymer sheet returns to normal, allowing the battery to come back to life.
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longview said:
Interesting, but having your battery turn on and off on it's own could cause other problems.
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Generally smaller problems than a fire.
 
longview said:
It king of depends on what the battery is doing, but yes the fire is bad.
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:shrug: it's a solvable problem. A standby battery for mission critical tasks is standard equipment on modern aircraft, for example.
 
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