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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 11462802 B1

PDFFull Text
Date of Patent:
Oct. 04, 2022

Filed:

Dec. 12, 2017

Composition for manufacturing secondary battery separator and secondary battery including the same

Applicants:

SK Innovation Co., Ltd., Seoul, KR;

SK Lubricants Co., Ltd., Seoul, KR;

Inventors:

Hyeung-Jin Lee, Daejeon, KR;

Hwan-Kyu Jung, Daejeon, KR;

Hyo-Shin Kwak, Daejeon, KR;

Sang-Hye Shin, Daejeon, KR;

Assignees:

SK Innovation Co., Ltd., Seoul, KR;

SK Lubricants Co., Ltd., Seoul, KR;

Attorney:

The Webb Law Firm

Primary Examiner:

Lisa S Park

Int. Cl.
CPC ...
H01M 50/403 (2021.01); H01M 50/409 (2021.01); H01M 50/40 (2021.01); H01M 10/04 (2006.01); C08K 3/22 (2006.01); C08K 3/36 (2006.01); C08L 91/00 (2006.01); C08J 9/00 (2006.01); C08K 5/42 (2006.01); C08J 5/18 (2006.01); C08K 5/19 (2006.01); C08K 5/50 (2006.01); H01M 50/446 (2021.01);
U.S. Cl.
CPC ...
H01M 50/403 (2021.01); C08J 5/18 (2013.01); C08J 9/0038 (2013.01); C08K 3/22 (2013.01); C08K 3/36 (2013.01); C08K 5/19 (2013.01); C08K 5/42 (2013.01); C08K 5/50 (2013.01); C08L 91/00 (2013.01); H01M 10/04 (2013.01); H01M 50/40 (2021.01); H01M 50/409 (2021.01); H01M 50/446 (2021.01); C08J 2201/02 (2013.01); C08J 2323/06 (2013.01); C08K 2003/2227 (2013.01); C08K 2003/2231 (2013.01); C08K 2003/2241 (2013.01); C08K 2201/005 (2013.01);
Abstract

The present disclosure relates to a composition for manufacturing a secondary battery separator having excellent electrical conductivity and capable of minimizing occurrence of black scum on an electrode and a secondary battery thereof. The composition for manufacturing a secondary battery separator according to the present disclosure includes a polyethylene resin and an ionic liquid lubricant composition. The ionic liquid lubricant composition includes a pore-controlling agent, an ionic liquid, and paraffinic oil.

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