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The cause of the plug-in fire discovered
Posted on June 29th, 2008 2 commentsElectric car fire not caused by battery
Backers of all-electric cars say they’re relieved a fire that destroyed a Toyota Prius prototype this month wasn’t caused by the battery.
A report from the Boulder, Colo., firm that built the Prius prototype said the blaze was instead caused by loose electrical connections that set fire to the vehicle’s upholstery, and not by the sophisticated lithium ion batteries it carried, The Los Angeles Times reported Saturday.The news came as a relief to electric car supporters because lithium battery technology has been under a cloud in recent years due of fires such batteries have caused in some laptop computers.
The modified Prius was one of 10 owned by a South Carolina electric cooperative and was built by Hybrids Plus of Boulder, the newspaper said. The company took a standard Prius and made it into an all-electric version, which isn’t expected from Toyota until 2010.
The chief executive of Hybrids Plus said the fire was caused by “an assembly problem.”
“I was worried that this would turn into a major incident, but actually most people seem to understand that this was an incident that didn’t involve the batteries,” Felix Kramer of CalCars.org, a California advocacy group, told the Times.
New technology, News, Plug-in 2010, 3g, Batteries, battery, Calcars, electric, EV, hybrid, Lithium, Plug-in, prius, priuschat, technology, Toyota2 responses to “The cause of the plug-in fire discovered”
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This single incident could pose a major setback for PHEV conversions, if not for major manufacturers themselves. Perception could be most of the problem, but not all of it.
In an HEV very large amounts of power (on the order of 20 KW) are shuttled back and forth to the battery, but those spikes are of short duration. When a PHEV is in full-electric mode, the power is greater and continuous. Not only do the connections need to be made to the highest standards, but there must be additional temperature monitoring and shutdown routines built into software.
It wouldn’t be free (guessing a few hundred $$ at least), yet essential for this application. Best wishes to the manufacturers and cottage industry startups – and don’t ignore this one!
DAS
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Doug Schaefer June 29th, 2008 at 21:24