CERAMIC SEPARATOR AND METHOD FOR MANUFACTURING THEREOF
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United States of America Patent
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Jun 10, 2021
app pub date -
May 5, 2020
filing date -
Dec 5, 2019
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The present disclosure relates to a ceramic separator. The ceramic separator comprises a porous polyolefin substrate and a ceramic layer on the at least one surface of the porous polyolefin substrate. The ceramic layer comprises polydopamine-surface-decorated inorganic particles and a water-based binder. In addition to the necessary physical properties of common separators, the ceramic separator has excellent wettability and rate of absorption so as to improve the capacity and stability of batteries at a high battery discharge rate.
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