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:
Sep. 06, 2022
Filed:
Apr. 03, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jong-Keon Yoon, Daejeon, KR;
Sol-Ji Park, Daejeon, KR;
Hyun-Woong Yun, Daejeon, KR;
Kyoung-Ho Ahn, Daejeon, KR;
Hoe-Jin Hah, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01); H01M 50/431 (2021.01); H01M 50/411 (2021.01); C08G 61/04 (2006.01); C08K 3/38 (2006.01); C08K 7/00 (2006.01); H01M 4/36 (2006.01); H01M 10/052 (2010.01); H01M 10/0562 (2010.01); H01M 10/0565 (2010.01);
U.S. Cl.
CPC ...
H01M 4/628 (2013.01); C08G 61/04 (2013.01); C08K 3/38 (2013.01); C08K 7/00 (2013.01); H01M 4/366 (2013.01); H01M 10/052 (2013.01); H01M 10/0562 (2013.01); H01M 10/0565 (2013.01); H01M 50/411 (2021.01); H01M 50/431 (2021.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01); C08G 2261/147 (2013.01); C08G 2261/1452 (2013.01); C08G 2261/1644 (2013.01); C08K 2003/385 (2013.01); H01M 2300/0068 (2013.01); H01M 2300/0082 (2013.01);
Abstract
A lithium metal secondary battery including a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and a protective layer interposed between the negative electrode and the separator. The protective layer includes an additive, wherein the additive comprises a mixture of hexagonal boron nitride (BN) flakes with an ionomer having a sulfur (S)-containing anionic group and fluorine (F).