METHOD OF PRODUCING A SEPARATOR AND METHOD OF PRODUCING A MICROPOROUS MEMBRANE
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United States of America Patent
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Jan 20, 2017
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Nov 30, 2009
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Abstract
A method of producing a separator is provided. The method includes providing a particle membrane including inorganic particles on at least one principal surface of a porous body by a vapor-phase process such that the particle membrane has a porosity that is non-uniform in a thickness direction thereof. A method of producing a microporous membrane is also provided.
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