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17-May-07, 01:30 AM
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| News Hound  Join Date: Aug 2004 Location: Floating among Data streams, waiting for the right moment
Posts: 44,023
  |  Slashdot // Simple Chemical Trick to Boost Battery Efficiency space_mongoose writes "Hitachi thinks that a simple chemical additive could significantly improve battery life. Alkaline batteries have a positive electrode of manganese oxide and a negative electrode of finely powdered zinc, but zinc oxide forms around these grains of zinc. Hitachi's solution is to replace the zinc with a fine powder of zinc-aluminum alloy, displaces the zinc within the zinc oxide layer making it a much better conductor." Read more of this story at Slashdot. More... |
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