A ceramic separator with good binding and a preparation method thereof and a lithium ion battery comprising the ceramic separator

CN111244368BActive Publication Date: 2026-07-03SHENZHEN HONCELL ENERGY CO LTD
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Patent Information

Application Number
CN202010232567.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-03-28
Publication Date
2026-07-03
Estimated Expiration
2040-03-28

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Abstract

This invention discloses a ceramic separator, wherein a first aqueous slurry coating is coated on a separator substrate, and a second aqueous slurry coating is coated on the surface of the first aqueous slurry coating. The second aqueous slurry coating has a greater thickness than the first aqueous slurry coating, and the first aqueous slurry coating has a greater density than the second aqueous slurry coating. This invention also discloses a lithium-ion battery incorporating this ceramic separator. The ceramic separator of this invention features strong adhesion, good drying effect, and excellent electrochemical performance.
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Citation Information

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