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Battery Question

  1. Aug 1, 2012 #1
    So a battery to one of my phones got left in the car (just the battery) for an extended period of time during a Texas summer.

    The sides of the battery expanded by a couple millimeters. But I can compress the sides with my fingers as if there was a pocket of air in between the outer tape (with markings/info on it) and whatever the next layer under is. I poked a small hole in the side and it sort of "deflated" and a strange smell asserted itself.

    My curiosity want's to know what actually expanded under the heat?
     
  2. jcsd
  3. Aug 1, 2012 #2

    Drakkith

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    Staff: Mentor

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