Tesla fires could dampen electric car sales as industry ramps up EV production, auto analysts say
twice that many. Mercedes-Benz this month began taking orders for its new GLC, the first of 10 pure battery-electric vehicles. All told, manufacturers around the world are believed to be investing well over $100 billion in their electrification efforts, a large share of that going to BEVs.
Then, two weeks ago, firefighters in San Francisco tweeted that they had been called to a garage where another Tesla Model S was on fire. Though the technology is the most effective and affordable available right now, lithium-ion batteries need to be babied. The chemistry is quite sensitive to temperature variations, especially excess heat, and can experience what is referred to as a "runaway" condition if overheated or overcharged. Punctures also pose a particular hazard.
For now, the industry is focused on finding ways to minimize problems with lithium batteries. That includes using software that can better track the way batteries are behaving and take steps, if necessary, to keep them operating safely. Finally, the thermal control system that helps maintain the pack's optimum temperature is designed so that the liquid coolant drains away from the cells if there is a puncture, reducing the risk of short-circuiting.
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