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:
Oct. 20, 2020
Filed:
Jul. 24, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Min Ji Kim, Daejeon, KR;
Min Ji Gu, Daejeon, KR;
Kwan Woo Nam, Daejeon, KR;
Min Hyung Kim, Daejeon, KR;
Je An Lee, Daejeon, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/02 (2006.01); H01M 2/16 (2006.01); H01M 2/14 (2006.01); H01M 2/34 (2006.01); H01M 4/62 (2006.01); H01M 10/052 (2010.01); H01M 10/056 (2010.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); H01M 2/145 (2013.01); H01M 2/16 (2013.01); H01M 2/1646 (2013.01); H01M 2/1653 (2013.01); H01M 2/1673 (2013.01); H01M 2/345 (2013.01); H01M 4/622 (2013.01); H01M 10/052 (2013.01); H01M 10/056 (2013.01); H01M 10/42 (2013.01); H01M 10/4235 (2013.01); H01M 2200/20 (2013.01);
Abstract
A separator including a polyolefin-based separator substrate having a porous structure, a first coating portion including a mixture of inorganic particles and a binder polymer, and a second coating portion including a material that reduces generation of hydrofluoric acid, wherein the first coating portion and the second coating portion are located on the separator substrate, are located in pores in the separator substrate, or are located on the separator substrate and in pores in the separator substrate.