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US 2019/0198839 A1Published application
Separator, secondary battery comprising the same, method of preparing the separator, and method of manufacturing the secondary battery
AssigneeSamsung Electronics Co., Ltd.
InventorsRyo IWAMURO, Hironari TAKASE, Mitsuharu KIMURA, Yoshitaka YAMAGUCHI
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Abstract
A separator including: a cellulose fiber nonwoven fabric; and a fluorine-containing resin layer including a fluorine-containing copolymer, the fluorine-containing resin layer being disposed on a surface of the cellulose fiber nonwoven fabric, wherein the fluorine-containing copolymer includes a copolymer including vinylidene fluoride and a fluorine-containing monomer other than vinylidene fluoride.
Claims27
A separator comprising:
- a cellulose fiber nonwoven fabric;
- and
- a fluorine-containing resin layer comprising a fluorine-containing copolymer, the fluorine-containing resin layer being disposed on a surface of the cellulose fiber nonwoven fabric,
- wherein the fluorine-containing copolymer comprises a copolymer comprising vinylidene fluoride and a fluorine-containing monomer other than vinylidene fluoride.
1 more element
Dependencies are inferred from the claim text.