Lithium polymer secondary battery
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United States of America Patent
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Issued Date -
Nov 15, 2001
app pub date -
May 1, 2001
filing date -
May 8, 2000
priority date (Note) -
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Abstract
To obtain highly reliable lithium polymer secondary batteries with charge/discharge cycle characteristics equivalent to those of lithium ion secondary batteries, 70 to 90% of the total void volume of an electrode group formed by laminating the positive electrode, negative electrode and separator is filled with a nonaqueous electrolyte.
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