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. 04, 2021
Filed:
Feb. 06, 2018
Applicant:
SK Innovation Co., Ltd., Seoul, KR;
Inventors:
Yong Hyun Cho, Daejeon, KR;
Jae Woong Kim, Daejeon, KR;
Min Gu Kang, Daejeon, KR;
Young Hoon Do, Daejeon, KR;
Whee Sung Kim, Daejeon, KR;
Assignee:
SK Innovation Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/411 (2021.01); H01M 10/0525 (2010.01); H01M 10/0585 (2010.01); H01M 10/04 (2006.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
H01M 50/411 (2021.01); H01M 10/0436 (2013.01); H01M 10/0459 (2013.01); H01M 10/0525 (2013.01); H01M 10/0585 (2013.01); H01M 10/4235 (2013.01); H01M 2220/30 (2013.01);
Abstract
A lithium secondary battery includes a plurality of electrode cells, each of which includes a first electrode, a second electrode having a different polarity from that of the first electrode and a separation layer interposed between the first electrode and the second electrode, and at least one ion permeation barrier between neighboring ones of the electrode cells. The ion permeation barrier has an air permeability less than that of the separation layer.