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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.:

US 11901578 B1

PDFFull Text
Date of Patent:
Feb. 13, 2024

Filed:

Nov. 16, 2016

Separator comprising porous adhesive layer, and lithium secondary battery using same

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:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Kourtney R S Carlson

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.

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Quick Actions:

Kang, Seyeong. (2024). Separator comprising porous adhesive layer, and lithium secondary battery using same (U.S. Patent No. 11901578). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11901578

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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