Last week I witnessed an EV fire during Hurricane Ian operations. Firefighters put out the fire, then it would reignite. The teams said it was a result of salt water affecting compromised batteries, so we asked for additional information from @NHTSAgov. They responded. (1/5)
Here was the feds key takeaways: 1.) “[W]e can confirm your experience in North Collier with reignition is not an isolated event…” (2/5)
2.) “Lithium-ion vehicle battery fires have been observed both rapidly igniting and igniting several weeks after battery damage occurred.” (3/5)
3.) “Test results specific to saltwater submersion show that salt bridges can form within the battery pack and provide a path for short circuit and self-heating. This can lead to fire ignition.” (4/5)
This is important information as Florida’s first responders continue the work in Southwest, FL. We are distributing this information to our fire teams and will continue working to mitigate these threats. (5/5)
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