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Thread: Oxygen breathing lithium batteries

              
   
   
  1. #1
    Senior Member Hugues's Avatar
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    Oxygen breathing lithium batteries

    Sorry for the eye catching title, but it seems that's what it is,

    At least according to this Scientific American publication:
    http://www.scientificamerican.com/ar...oxygen-battery

    Good Sunday morning reading; from the article:
    The specifics of how lithium–air batteries will operate is still being determined, but the general principal is that, instead of using heavy metal oxides, oxygen would be collected from the air while an electric vehicle is in motion. The oxygen molecules react with lithium ions and electrons on the surface of a porous carbon cathode to form lithium peroxide. This lithium peroxide formation during discharge leads to an electrical current that powers the car's motor. When charging, the reverse reaction takes place—the oxygen is released back to the atmosphere. The anode, meanwhile, is made of lithium, the lightest metal. Without the need for heavy metals the battery would be several times lighter while being able to store more energy than its lithium ion cousin.
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    Senior Member Athlon's Avatar
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    here some more news .. but Idon't know if they are real or not .. looks like there still a lot of work to do and Lithium air batteri will not be ready before 2020 or later
    http://sufiy.blogspot.co.uk/2012/04/...ber_109318933#

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    Heheh, 1,700 Wh/kg in 10-15 years? Yeah, that sounds good.

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    Senior Member Athlon's Avatar
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    not sure ... 1700 wh/kg CAN be good or not ... depends on price

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