Lithium Secondary Battery
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United States of America Patent
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Issued Date -
Dec 26, 2013
app pub date -
Feb 28, 2012
filing date -
Mar 16, 2011
priority date (Note) -
Abandoned
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Abstract
The purpose of the present invention is to examine a novel core material for a lithium secondary battery and to provide a battery in which there is minimal variation from initial battery characteristics over time during long-term storage of the battery. In order to enhance the high-temperature storage characteristics of a lithium battery, a resin composed primarily of a cellulose-containing polypropylene is used as a winding core material.
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