Electric storage device, and vehicle mounted electric storage system
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United States of America Patent
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Sep 20, 2016
Grant Date -
Apr 3, 2014
app pub date -
Sep 26, 2013
filing date -
Sep 28, 2012
priority date (Note) -
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Abstract
Provided is an electric storage device provided with: a positive electrode including a positive electrode substrate and a positive electrode mixture layer, the positive electrode mixture layer being formed on the positive electrode substrate and containing a positive electrode active material; a negative electrode including a negative electrode substrate and a negative electrode mixture layer, the negative electrode mixture layer being formed on the negative electrode substrate and containing a negative electrode active material; and a separator disposed between the positive electrode and the negative electrode. In the electric storage device, the separator yields a triple value of standard deviation of local air resistance, as measured within a 5-mm diameter circle, of at least 20 seconds/10 cc but not more than 350 seconds/10 cc.
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