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:
Nov. 17, 2020
Filed:
Nov. 17, 2015
Samsung Sdi Co., Ltd., Yongin-si, KR;
Yuna Kim, Yongin-si, KR;
Jangho Yoon, Yongin-si, KR;
Samsung SDI Co., Ltd., Gyeonggi-do, KR;
Abstract
A method of manufacturing a secondary battery and a secondary battery manufactured by the method are disclosed. In one aspect, the method includes providing an electrode assembly including first and second electrode plates, wherein the first electrode plate includes a plurality of first multi-tabs outwardly extending from an end thereof, and wherein the second electrode plate includes a plurality of second multi-tabs outwardly extending from an end thereof. The method also includes tack welding the first and second multi-tabs with the use of upper and lower welding tools, wherein the upper welding tool has a protrusion and the lower welding tool has a recess, and wherein a bending portion is formed in the first and second multi-tabs. The method further includes and welding lead tabs to the tack welded first and second multi-tabs, respectively and accommodating the electrode assembly having the lead tabs welded thereto in a case.