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US 2014/0272532 A1Published application
Separator and rechargeable lithium battery including the same
AssigneeSamsung SDI Co., Ltd.
InventorsSam-Jin Park, Ihn Kim, Jung-Ock Yeou, Kwi-Seok Choi
Life of this patent
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Abstract
Disclosed are porous substrate and a coating layer positioned on one side or both sides of the porous substrate, wherein the coating layer includes a filler (A) having an average particle diameter of about 0.3 μm to about 2 μm; and a binder (B) including an organic polymer and an inorganic particle, an organic particle, or a combination thereof, wherein an average particle diameter of each of the inorganic particle and the organic particle is about 5 nm to about 200 nm, and a rechargeable lithium battery including the separator.
Claims19
A separator comprising:
- a porous substrate, and
- a coating layer on one side or both sides of the porous substrate,
- wherein the coating layer comprises:
- a filler (A) having an average particle diameter of about 0.3 μm to about 2 μm;
- and
- a binder (B) comprising:
- an organic polymer;
- and an inorganic particle having an average particle diameter of about 5 nm to about 200 nm, an organic particle having an average particle diameter of about 5 nm to about 200 nm, or a combination thereof.
5 more elements
A separator comprising:
- a porous substrate;
- a coating layer on one side or both sides of the porous substrate;
- and
- an adhesion layer on the coating layer,
- wherein the coating layer comprises:
- a filler (A) having an average particle diameter of about 0.3 μm to about 2 μm;
- and
- a binder resin, and
- the adhesion layer comprises:
- a binder (B) comprising:
- an organic polymer;
- and an inorganic particle having an average particle diameter of about 5 nm to about 200 nm, an organic particle having an average particle diameter of about 5 nm to about 200 nm, or a combination thereof.
9 more elements
Dependencies are inferred from the claim text.