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Old 06-04-2019, 07:53 AM   #401
Fuzz
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I've had a few RC plane batteries go on me, they go from fine to OMG!WTF! in about 5 seconds. And these are as big as a deck of cards. I accidentally punctured a tiny one the size of a thumbnail in my house, and I tossed it out the front door. It started hissing and smoking before popping into flames. And the smell, oh the smell...stuck around for days.


Lithium batteries are at their most dangerous when charging, or under extreme discharge. So having one charging in your attached garage could be catastrophic pretty quickly. I'd make sure I had a really good fire alarm system in place. A house fire with one of those fuelling it would be impossible to extinguish quickly.





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Old 06-10-2019, 10:56 PM   #402
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Battery fires are real, and dangerous. But gasoline and motor oil are also incredibly flammable and near very hot engines.
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Old 06-11-2019, 06:27 AM   #403
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While true, I think extinguishing a gas fire is a lot easier. Once a lithium battery goes, there isn't much that is going to stop it, short of rolling your car into the swimming pool or lake.
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Old 06-12-2019, 12:09 AM   #404
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Quote:
Originally Posted by Street Pharmacist View Post
Battery fires are real, and dangerous. But gasoline and motor oil are also incredibly flammable and near very hot engines.
cars very rarely catch fire in the overall scheme of things, it is a known risk and incredibly low, except for the Pinto and the Triumph 2000tc
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Old 06-12-2019, 07:09 AM   #405
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Originally Posted by afc wimbledon View Post
cars very rarely catch fire in the overall scheme of things, it is a known risk and incredibly low, except for the Pinto and the Triumph 2000tc
Electric cars catch fire even more rarely
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Old 06-12-2019, 07:27 AM   #406
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Interesting....
Quote:
Regarding the risk of electrochemical failure, [this] report concludes that the propensity and severity of fires and explosions from the accidental ignition of flammable electrolytic solvents used in Li-ion battery systems are anticipated to be somewhat comparable to or perhaps slightly less than those for gasoline or diesel vehicular fuels. The overall consequences for Li-ion batteries are expected to be less because of the much smaller amounts of flammable solvent released and burning in a catastrophic failure situation.
https://en.wikipedia.org/wiki/Plug-i...SH-Final2017-1


From an NHTSA study.


This is from the Wikipedia entry, that I'm pretty sure should have a giant "citation needed" next to it...
Quote:
As of February 2014, four fires after an impact have been reported associated with the batteries of plug-in electric cars. The first crash related fire was reported in China in May 2012, after a high-speed car crashed into a BYD e6 taxi in Shenzhen.[2] Two incidents occurred with the Tesla Model S in October 2013, one when a Model S caught fire after the electric car hit metal debris on a highway in Kent, Washington,[3] and another involving a loss of control and collision with a tree in Merida, Mexico.[4] A Tesla Model S being driven on a highway near Murfreesboro, Tennessee caught fire in November 2013 after it struck a tow hitch on the roadway, causing damage beneath the vehicle.[5] These incidents occurred in situations which would cause fires in gasoline powered automobiles.
"Would cause" is a pretty strong statement. Sure, a trailer hitch on a highway or piece of metal COULD cause a fire in a gasoline vehicle, if it hit in the spot of the gas tank, and punctured it, and the leak was exposed to a spark. But I suspect electric vehicles are more likely to catch fire when exposed to a trauma of that sort, if only becuase most of them have the entire floor made of battery. Anyway, minor Wikipedia annoyance. It is interesting that NHSTA thinks the risks are similar.
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