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:
Feb. 13, 2024
Filed:
Nov. 16, 2016
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, KR;
Inventors:
Seyeong Kang, Suwon-si, KR;
Gain Kim, Suwon-si, KR;
Byung-Soo Kim, Suwon-si, KR;
Yongkyoung Kim, Suwon-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/403 (2021.01); H01M 50/426 (2021.01); H01M 50/446 (2021.01); H01M 10/0525 (2010.01); H01M 50/491 (2021.01); H01M 50/457 (2021.01); H01M 50/423 (2021.01); H01M 50/42 (2021.01); H01M 50/443 (2021.01); H01M 50/451 (2021.01);
U.S. Cl.
CPC ...
H01M 50/403 (2021.01); H01M 10/0525 (2013.01); H01M 50/42 (2021.01); H01M 50/423 (2021.01); H01M 50/426 (2021.01); H01M 50/443 (2021.01); H01M 50/446 (2021.01); H01M 50/451 (2021.01); H01M 50/457 (2021.01); H01M 50/491 (2021.01);
Abstract
The present invention relates to a separator, a manufacturing method therefor, and a lithium secondary battery comprising the same, the separator comprising: a porous substrate; and a porous adhesive layer formed on one surface or both surfaces of the porous substrate, wherein the porous adhesive layer comprises a nitrogen-containing binder and polyvinylidene fluoride-based polymer microparticles having an average diameter of 200 nm to 700 nm, and the total thickness of the porous adhesive layer is 1 μm or less.