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US 10,374,203 B2Granted
Heat-diffusible separation film and secondary cell comprising the same
AssigneeLG Chem, Ltd.
InventorsHyun-Kyung Shin, Min-Hyung Kim, Dong-Wook Sung, In-Hyouk Sung, Ji-Eun Lee, Joo-Sung Lee
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Abstract
The present disclosure provides a heat-diffusible separator including a separator, and a porous heat transfer film formed on at least one surface of the separator.
Claims12
A heat-diffusible separator, comprising:
- a porous polymer substrate;
- a porous coating layer disposed on at least one surface of the porous polymer substrate, wherein the porous coating layer comprises inorganic particles and a binder polymer;
- and
- a porous heat transfer film disposed on a surface of the porous coating layer,
- wherein the porous heat transfer film has a greater value of heat conductivity in a surface direction than that of heat conductivity in a thickness direction.
2 more elements
Dependencies are inferred from the claim text.