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:
May. 07, 2024
Filed:
Mar. 05, 2019
Applicant:
SK on Co., Ltd., Seoul, KR;
Inventors:
Jangwoo Kim, San Jose, CA (US);
Young-Hye Na, San Jose, CA (US);
Andy Theodora Tek, San Jose, CA (US);
Assignee:
SK ON CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/052 (2010.01); H01M 10/0565 (2010.01); H01M 50/403 (2021.01); H01M 50/414 (2021.01); H01M 50/437 (2021.01); H01M 50/44 (2021.01); H01M 50/449 (2021.01); H01M 50/469 (2021.01);
U.S. Cl.
CPC ...
H01M 10/0565 (2013.01); H01M 10/052 (2013.01); H01M 50/403 (2021.01); H01M 50/414 (2021.01); H01M 50/437 (2021.01); H01M 50/44 (2021.01); H01M 50/449 (2021.01); H01M 50/469 (2021.01);
Abstract
An energy storage device includes an anode; a cathode; an electrolyte in contact with both the anode and the cathode; and an electrically non-conductive, porous separator between the anode and the cathode. At least one major surface of the porous separator includes a coating with a layer having a star polymer. The star polymer includes a hydrophobic core and at least three arms, wherein at least some of the arms includes ion-conductive polar functional groups.