MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202617014295 A) filed by Lg Energy Solution, Ltd. on February 10, 2026, for Separator, Electrode Assembly Comprising Same, And Battery Cell Comprising Same.
Inventors include Kim, Ji-Yeon; Lee, So-Yeong; Bak, Byeong-Chan; Bae, Kyeong-Hui; Bae, Won-Sik; Sung, In-Hyouk; and Shin, Jin-Young.
The application for the patent was published on August 07, 2026, under issue no. 32/2026.
Abstract: A separator according to an embodiment of the present invention comprises: a porous polymer substrate; and a porous coating layer formed on both surfaces of the porous polymer substrate, wherein: the separator has one end (A), the other end (A'), and one point (B) between the one end (A) and the other end (A') in the machine direction; the thickness of the separator is constantly maintained from the one end (A) to the other end (A'); the thicknesses of the porous polymer substrate and the porous coating layer are constantly maintained in a region (AB) between the one end (A) and the one point (B); and the thickness of the porous polymer substrate decreases and the thickness of the porous coating layer increases in a region (BA') between the one point (B) and the other end (A').
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