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Page 3 - நிசான் ஒன்றுபட்டது மாநிலங்களில் News Today : Breaking News, Live Updates & Top Stories | Vimarsana

Why it s so hard to replace a Nissan LEAF battery — WHYY

Simply put, thermal runaway is a chain reaction that leads to lithium-ion batteries overheating very quickly. The frequency of those occurrences, they were told, was only around one in a million-to-one in 10 million. “But if you calculated the fact that each car had about 7000 cells, it meant that one out of about 1000 cars would at some point in its life spontaneously catch fire,” Berdichevsky said, “which is absolutely unacceptable.” At least, that was the prediction. To find out what would actually happen, Berdichevsky and his team trooped out to the parking lot late one night, and induced failure in one of their prototype batteries. Berdichevsky said they expected to see a small fire but ended up with more than they bargained for.

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