A material that's almost entirely air keeps EV fires from spreading

The Department of Energy is focusing on aerogels to reduce the severity of lithium battery fires. A lab that creates the substance shares the technology behind it all.

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Dec 9, 2024 - 09:00
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A material that's almost entirely air keeps EV fires from spreading
Engineer Matt Gwin puts a piece of aerogel material inside a metal frame and ignites it. After a minute or two, the material is intact and only feels warm.

The Department of Energy is focusing on aerogels to reduce the severity of lithium battery fires. A lab that creates the substance shares the technology behind it all.

(Image credit: Aspen Aerogels)

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