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Batteries

Discussion in 'Electronic Basics' started by John, Nov 4, 2004.

  1. John

    John Guest

    I hear that in Japan there is a Lithium Ion battery that does not discharge (at
    least it takes many years). How is this possible, and is this even possible?
    I read about this battery on the web somewhere, but cannot cite the source at
    this time.

    Thanks,


    John
     
  2. Clarence

    Clarence Guest

    Sure, it weighs about 400 pounds, and outputs 3V at 1 amp max.
    Cost? well as a one of a kind, priceless!
     
  3. Ban

    Ban Guest

    Lithium-manganese cells have a very low self discharge rate of <2%/yr.
    Guaranteed shelf life of 10yrs. But it depends on storage temperatures.
    http://www.saftbatteries.com/130-Catalogue/PDF/LM_26500.pdf
    They are good for life-jackets and the like.
    If you separate the electrolyte you could activate the cells only in an
    emergency event. Zinc-oxide cells come to mind.
     
  4. DAW

    DAW Guest

    Aren't you talking shelf life?
     
  5. John Fields

    John Fields Guest

     
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