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:
Dec. 06, 2022
Filed:
Feb. 20, 2020
Samsung Sdi Co., Ltd., Yongin-si, KR;
Hyun Soo Lee, Yongin-si, KR;
Ho Jun Shin, Yongin-si, KR;
Jun Min Choi, Yongin-si, KR;
Sang Won Kim, Yongin-si, KR;
Sang Won Byun, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A secondary battery includes: an electrode assembly including a first electrode plate and a second electrode plate, and electrode uncoated portions protruding at opposite sides of the electrode assembly, a case accommodating the electrode assembly; a current collector including an electrode connecting portion located at a region corresponding to an electrode uncoated portion of the electrode uncoated portions and including a coupling groove located in a surface of the electrode connecting portion, and a terminal connecting portion bent from the electrode connecting portion and extending over the electrode assembly; and a sub-tab including a first region coupled to the coupling groove, and a second region bent from the first region and connected to the electrode uncoated portion.