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:
Jun. 22, 2021
Filed:
Aug. 16, 2017
Samsung Sdi Co., Ltd., Yongin-si, KR;
Dongsik Yoon, Yongin-si, KR;
Yiseop Ahn, Yongin-si, KR;
Hoyong An, Yongin-si, KR;
Junghyun Lee, Yongin-si, KR;
Myungduk Lim, Yongin-si, KR;
Hyesun Jung, Yongin-si, KR;
Seung-Hun Han, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
An embodiment of the present invention provides an electrode assembly in which a first electrode having a first electrode coated region and a first electrode uncoated region, a separator, and a second electrode having a second electrode coated region and a second electrode uncoated region are stacked and wound around a winding axis, wherein the first electrode coated region may include a first substrate, a first small electrode portion including first active material layers formed on both surfaces of the first substrate, and a second small electrode portion including a first active material layer formed on the other surface of the first substrate in which one surface thereof is exposed, and the second small electrode portion may be positioned at a first curved portion formed by first winding of the electrode assembly.