Fan-folded polymer-electrolyte cell
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United States of America Patent
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Jun 15, 1999
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N/A
app pub date -
Jun 30, 1997
filing date -
Jun 30, 1997
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Abstract
A method for fan-folding lithium-ion-polymer battery cells, wherein gaps are left in the active material at fold locations of the metallic backing conductor. This avoids fatigue at the fold locations when the active materials expand and contract during charge and discharge.
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