SEPARATOR AND BATTERY
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United States of America Patent
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Issued Date -
Aug 8, 2019
app pub date -
Apr 16, 2019
filing date -
Apr 16, 2019
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Abstract
A separator includes a first layer that has a first principal face and a second principal face, and a second layer that is formed on at least one of the first principal face and the second principal face. The first layer is a microporous membrane including a first polymer resin, and the second layer is a microporous membrane including inorganic particles having an electrically insulating property and a second polymer resin.
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