Porous Composite Separator and Manufacturing Method Therefor
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United States of America Patent
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Aug 6, 2020
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Aug 21, 2018
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Aug 25, 2017
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Abstract
The present invention relates to a porous composite separator filled with a high heat-resistant porous polymer having nano-sized pores in addition to micro-sized wide pores formed among fibers of a porous support formed of the fibers, and to a manufacturing method therefor. The porous composite separator of the present invention has excellent strength, resistance to electrolyte swelling, and heat resistance and a minimized thickness change, and thus can provide a thin film type separator.
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