Electrochemical energy storage device having improved enclosure arrangement
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United States of America Patent
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Aug 12, 2008
Grant Date -
Feb 10, 2005
app pub date -
Sep 13, 2004
filing date -
Dec 6, 1999
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Abstract
An improved electrochemical single or multi-cell energy storage device and casing are provided. The casing may be a pair of U-shaped shells, a single foil piece or even a tube-shaped structure which encases the internal electrochemical cell stack. The energy storage device and casing advantageously exhibit low internal resistance, low ESR, a high voltage/capacity, and a low contact resistance between the internal stack and the outer casing.
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