Thin film battery and method of manufacture
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United States of America Patent
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Mar 6, 2007
Grant Date -
Jun 16, 2005
app pub date -
Dec 7, 2004
filing date -
Sep 7, 2000
priority date (Note) -
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Abstract
A thin film battery comprises a substrate with a front side and a back side. A first battery cell is provided on the front side of the substrate, the first battery cell including an electrolyte between a pair of electrodes. A second battery cell is provided on the back side of the substrate, the second battery cell also including an electrolyte between a pair of electrodes. 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. A method of annealing a deposited thin film is also described.
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