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Feds to study fire risks in EV batteries

Discussion in 'Battery Discussion' started by vfx, Jun 10, 2011.

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  1. arondaniel

    arondaniel Il Sessanta Caricato

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    Batteries in Electric Cars Examined After Chevy Volt Fire

    Regulators Examine Electric Car Batteries After Fire - NYTimes.com

    According to TFA, they didn't follow GM's procedure to disable the battery after a crash. Just goes to show though... with a new technology there will be road bumps and perceived safety is a big deal.

    I hope Tesla is way out in front of this. A 5-star rating won't help much with a reactionary press and a couple isolated incidents. From Tesla website: "In the event of a crash, the battery structure protects cells from impact and automatically disconnects the power supply". Anyone know if the Volt has such a safety feature?
     
  2. mpt

    mpt Electrics are back

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  3. VolkerP

    VolkerP EU Model S P-37

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    The article mentions that experts from GM "rescued the black box" from the destroyed Volt.
    Will Model S have a black box, too?
    A black box constitutes for me
    1 logging all data relevant for disaster reconstruction
    2 designed to survive crash, shock, fire, submersion (to some extend)
    3 manufacturer trains experts (own/NHTSA) how to salvage the unit and how to extract the logged data

    It can be a dedicated device or a hardened part of on board controller unit.
     
  4. dpeilow

    dpeilow Moderator

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    The timing of the original story in this thread now matches up with that post crash test fire. All becomes clear.
     
  5. Tommy

    Tommy Member

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    Link to story:
    U.S. opening formal probe into GM Volt fire risk - Yahoo! News
     
  6. Lloyd

    Lloyd Active Member

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  7. vfx

    vfx Well-Known Member

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    #28 vfx, Nov 25, 2011
    Last edited: May 9, 2012
    Shooting a bullet into an EV battery pack in a Hollywood Movie will engulf the car in a lightening display of bolts of Tesla-coil style electricity. The death of the Id comes to mind.
     
  8. doug

    doug Administrator / Head Moderator

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    Was reviewing this thread due to the recent Fisker Karma fire.

    Just noticed and wanted to acknowledge the Forbidden Planet Id monster reference. :smile:

    Forbidden+Planet+ID+monster.jpg
     
  9. vfx

    vfx Well-Known Member

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    Wasn't there a similar electomonsterdeath in The Golden Child? Or was it Howard the Duck?

    Nothing beat the Disneyesque Id monster though. Terrifyingly cute.
     
  10. vfx

    vfx Well-Known Member

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    Thursday | May 31, 2012


    America's love affair with the automobile has like many relationships come with some tradeoffs. For the past 100 years drivers of conventionally fueled Internal [FONT=inherit !important][FONT=inherit !important]Combustion [FONT=inherit !important]Engine[/FONT] (ICE) automobiles have been comfortable with the idea of hauling around a couple of hundred sticks of dynamite in the trunk of their cars. Like having a significant-other that is perfect in every way except they smoke cigarettes or have a tendency to explode over the littlest things, we have comfortably settled into a codependency with ICEs that statistically catch fire on U.S. roads every 186 seconds.[/FONT]
    Chinese fireworks give hope

    Now with tens of thousands of US made Electric Vehicles (EVs) on the road and that number soon to grow exponentially, it's about time they catch up with [FONT=inherit !important][FONT=inherit !important]gasoline
    [/FONT] fueled vehicles. In order to even approach the flammability of petroleum the [FONT=inherit !important][FONT=inherit !important]electric [/FONT][FONT=inherit !important]car[/FONT][/FONT] movement will have to step up their “burst factor” by ten or more or they will never be accepted as a viable transportation alternative. Now a recent horrific crash into a Chinese made EV shows that with a sufficiently high speed rear-ending that [FONT=inherit !important][FONT=inherit !important]combustion[/FONT][/FONT] is eventually possible.

    Flame anxiety[/FONT]
    An unnamed source at one [FONT=inherit !important][FONT=inherit !important]electric [FONT=inherit !important]car [/FONT][FONT=inherit !important]maker[/FONT][/FONT] expressed concern by saying, "We know this is a perception problem we have and we hope that[FONT=inherit !important][FONT=inherit !important]new [/FONT][FONT=inherit !important]car [/FONT][FONT=inherit !important]buyers[/FONT][/FONT] will find that our smooth ride and unmatched acceleration to be enough to sway them to our more “unflammable” [sic] cars. To date we have been unable to meet the 31 fires per hour bar set by ICE cars and their combustible liquid fuel. We are working with the NHTA to come up with at stop-gap solution by presenting our pathetically low fire numbers in a new numeric format to give ICE drivers the feeling that our EV can seemingly match the fire prone statistics they are used to.”

    The American hope?

    Industry watchers thought that GM’s new [FONT=inherit !important][FONT=inherit !important]Chevy [/FONT][FONT=inherit !important]Volt[/FONT][/FONT] would be a contender when a recent NTSHA test car burned after a rollover but it was finally revealed the Volt event was a disappointing three weeks later. Not even close to what fire extinguisher carrying [FONT=inherit !important][FONT=inherit !important]freeway[/FONT][/FONT] Americans are used to. A recent [FONT=inherit !important][FONT=inherit !important]Fisker[/FONT][/FONT] Karma fire also looked promising but ICE makers are quick to point out that both the Volt and Karma are not true EVs since the both carry gasoline and ICE generators in them and therefore don’t count.

    Man on the street

    EVs clearly have some catching up to do if they want to be the new flame of ICE drivers in the US of A. As one driver in LA put it, “I won’t be buying an Electric car until I start hearing about them on the radio traffic reports. What’s a morning commute without a good ol’ American car-b-que?”[/FONT]
    [/FONT]


    Opinion pieces denote the opinions of the author, and do not necessarily represent the views of EV World.
     

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