The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 2024
Filed:
Jun. 08, 2020
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
So-Mi Jeong, Daejeon, KR;
Dong-Wook Sung, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/426 (2021.01); H01M 50/446 (2021.01); H01M 50/451 (2021.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 50/451 (2021.01); H01M 50/426 (2021.01); H01M 50/446 (2021.01); H01M 10/0525 (2013.01);
Abstract
A separator including a porous polymer substrate, and a porous coating layer, and an electrochemical device comprising the same. The porous coating layer includes P(VDF-TrFE-CTFE) and PVDF-CTFE as a binder polymer. The separator has a lower resistance by changing the characteristics of the binder polymer.