Separator having porous coating layer, method for manufacturing the same and electrochemical device having the same
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United States of America Patent
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Feb 9, 2021
Grant Date -
Feb 25, 2016
app pub date -
Aug 31, 2015
filing date -
Nov 29, 2007
priority date (Note) -
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Abstract
A separator includes a porous substrate having a plurality of pores; and a porous coating layer formed on at least one surface of the porous substrate and made of a mixture of a binder and a plurality of inorganic particles, wherein the binder includes a crosslinked binder. This separator may improve high temperature cycle performance, discharge characteristics and thermal resistance of an electrochemical device since the separator exhibits improved insolubility and impregnation to electrolyte and improved thermal resistance.
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