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:
Feb. 08, 2022
Filed:
Apr. 05, 2019
Samsung Sdi Co., Ltd., Yongin-si, KR;
Jaehwan Ha, Yongin-si, KR;
Kijun Kim, Yongin-si, KR;
Junghyun Nam, Yongin-si, KR;
Hoon Seok, Yongin-si, KR;
Heeeun Yoo, Yongin-si, KR;
Yeonhee Yoon, Yongin-si, KR;
Kyuseo Lee, Yongin-si, KR;
Bokkyu Jeon, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
An electrode assembly and a rechargeable battery including the same are disclosed. The electrode assembly includes a plurality of unit cells overlapping in a thickness direction of the plurality of unit cells and a functional unit cell disposed with the plurality of unit cells. The functional unit cell includes a positive electrode. The positive electrode includes a positive current collector, a positive active material layer on at least one surface of the positive current collector and including a positive active material having a first reference potential, and a functional layer on the positive active material layer and including an active material having a lower reference potential than the first reference potential.