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:
Oct. 25, 2016
Filed:
May. 16, 2014
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A secondary battery includes: a case; and an electrode assembly accommodated in the case and including a positive electrode plate, a negative electrode plate, and a separator between the positive and negative electrode plates. At least one of the positive and negative electrode plates includes: a first sub-electrode plate including a first coating surface coated with an active material and a first non-coating surface facing oppositely away from the first coating surface and not coated with the active material; and a second sub-electrode plate including a second coating surface coated with an active material and a second non-coating surface facing oppositely away from the second coating surface and not coated with the active material. The first non-coating surface of the first sub-electrode plate faces the second non-coating surface of the second sub-electrode plate to allow the first and the second sub-electrode plates to slip relative to each other.