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Thin film battery and method of manufacture

  • US 20050130032A1
  • Filed: 12/07/2004
  • Published: 06/16/2005
  • Est. Priority Date: 09/07/2000
  • Status: Active Grant
First Claim
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1. A thin film battery comprising:

  • (a) a substrate having a front side and a back side;

    (b) a first battery cell on the front side of the substrate, the first battery cell comprising an electrolyte between a pair of electrodes; and

    (c) a second battery cell on the back side of the substrate, the second battery cell comprising an electrolyte between a pair of electrodes, whereby the battery is capable of providing an energy density of more than 700 wh/l and a specific energy of more than 250 wh/kg.

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