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US 2021/0280944 A1Published application
Separator for electrochemical device and method for manufacturing the same
AssigneeLG Chem, Ltd.
InventorsDae-Sung JANG, Dong-Wook SUNG, So-Mi JEONG
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Abstract
A separator for an electrochemical device, including a porous polymer substrate and an inorganic coating layer formed on at least one surface of the porous polymer substrate. The inorganic coating layer includes inorganic particles and a binder resin. The binder resin includes a polyvinylidene fluoride (PVdF)-based polymer having a main chain, and at least one hydrogen atom in the main chain of the PVdF-based polymer is substituted with an acrylic compound-derived functional group.
Claims15
A separator for an electrochemical device, comprising:
- a porous polymer substrate;
- and
- an inorganic coating layer formed on at least one surface of the porous polymer substrate,
- wherein the inorganic coating layer comprises inorganic particles and a binder resin,
- wherein the binder resin comprises a polyvinylidene fluoride (PVdF)-based polymer having a main chain, and
- wherein at least one hydrogen atom in the main chain of the PVdF-based polymer is substituted with an acrylic compound-derived functional group.
3 more elements
Dependencies are inferred from the claim text.