Separator for jelly-roll type electrode
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United States of America Patent
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Mar 30, 1999
Grant Date -
N/A
app pub date -
Jun 16, 1997
filing date -
Jun 19, 1996
priority date (Note) -
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Abstract
The unnecessary portion of the separator which prevents the short-circuit between the cathode and the anode In the center of a cylindrical cell is cut off using cutting apparatus or laser beam to increase the inner space of the cell and the electrolyte, and to have higher cell capacity and lower inner pressure of the can while producing gas.
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