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Captain Hybrid

Don't Worry, Your EV Battery Won't Explode

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Beth Stackpole
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Blogger
No doubt, debate
Beth Stackpole   4/13/2012 7:34:07 AM
Chuck, I found myself debating myself just reading the article. I would fully expect, as the experts note, that there would be controlled explosions during the testing of experimental technology like EV batteries. You figure, in the lab, they would be contained, managed, not a biggie. But reading further into your article and hearing what the town Mayor is reporting is a totally different story. Injured people, blown-out doors--those don't sound like effects from a controlled experiment. That sounds like serious stuff that could make people leery about the batteries for a long time.

williamlweaver
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Platinum
Re: No doubt, debate
williamlweaver   4/13/2012 7:55:03 AM
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Beth I share your thoughts. I'm now wondering what Hollywood and the Media will do with this information. We have some nice examples: 1979 movie The China Syndrome had quite an effect on public perception of Nuclear Energy, the 2010 CSI Episode "Fracked" did quite a bit to fuel rumors about the ills of Fracking, the 1992 TV movie Dead Ahead: The Exxon Valdez Disaster dramatized the dangers of petroleum use, and there is a rumored movie in production based on a New York Times article from December 25, 2010 titled Deepwater Horizon's Final Hours. I'm all for disseminating factual information about the development of new technologies, but I'm curious how this event will shape public perception of battery research.

Alexander Wolfe
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Blogger
Re: No doubt, debate
Alexander Wolfe   4/13/2012 9:42:39 AM
Well, they were doing a test where they were trying to get the battery to fail. It just failed in a more "explosive" manner than they expected. I think (and forgive me for using this word) that this is being overblown a bit. If you left your Clorox bottle at home uncapped for a week, with all the windows and doors tightly sealed, you'd have some very sick occupants. That doesn't mean Clorox is something that shouldn't be used or sold.

tekochip
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Platinum
Spontaneous Energetic Disassembly
tekochip   4/13/2012 9:55:06 AM
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Beth, it does seem like they are trying gloss over a serious failure. Certainly, gasoline is not exactly a stable compound, and we drive around every day with tens of gallons of the stuff being pumped at high pressure just inches away from us, so I'm not really worried about an increased risk. Just the same, the quotes read like the Three Mile Island report and I half expect that they will soon be saying they experienced "rapid oxidation" rather than a fire.


naperlou
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Re: Spontaneous Energetic Disassembly
naperlou   4/13/2012 10:51:47 AM
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tekochip, I like your terminology.  Were you in the aerospace business, or the military? 

tekochip
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Platinum
Re: Spontaneous Energetic Disassembly
tekochip   4/13/2012 11:40:22 AM
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Thanks, no, reading the article just reminded me of the descriptive phrases used in the Three Mile Island accident report.

sanfordsautomotive
User Rank
Iron
Re: No doubt, debate
sanfordsautomotive   4/13/2012 1:04:32 PM
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I glad I ran across this article, I am in the process of transplanting the "guts" of a wrecked 2006 Toyota Prius in to a 1992 Lexus es 300 Donner car (engine and drive train removed of course) I would like to add three more batteries in parallel to the existing battery to extend the mileage before the gas engine kicks in and starts the charging process, I can only imagine the damage it could do to my vehicle or a individual if there was an explosions or fire. 



Nancy Golden
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Platinum
Re: No doubt, debate
Nancy Golden   4/13/2012 4:48:28 PM
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I am ambivalent regarding this as well. In other blogs I have brought up safety only to be told in so many words that I was being overcautious. Yet nobody brings hard data as to the safety standards that batteries are tested to in vehicle use when they do so, they just say that their EV works great. I still haven't had anyone tell me if the volatility increases with density...has anyone checked out the videos that are available online as to what happens when a lithium ion battery is thrown into a barbecue grill (analogous to an EV and an ICE collison where there is a fire). It's not very encouraging.

warren@fourward.com
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Platinum
More dangers
warren@fourward.com   4/14/2012 3:33:59 PM
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I am not as worried about the exploding battery issue as I am with the dangers involved to the poor mechanic who has to work on these things.  The high voltage can kill!  Plus, the computer goes through a systems check periodically and activates, amongst many other things, the brakes.  If you are working on the brakes at the time, you might just lose a finger!  Mechanic friends of mine are scared of the electric cars.  You can't always get a factory tech, so the small-town mechanic might be the highest risk group of all- not Alaskan crab fisherman dangerous- but significant nonetheless.
 


Scott Orlosky
User Rank
Platinum
Re: No doubt, debate
Scott Orlosky   4/14/2012 7:48:31 PM
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Unfortunately, people are notoriously bad at assessing risk, even when given accurate information.  Stoking fear by sensationalizing an event doesn't help the situation.  To be fair, driving a car is probably the single most dangerous part of anybody's day.  Yet, despite the 40,000 deaths a year from this activity (in the U.S.) you don't hear any public outcry.

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