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. 19, 2021
Filed:
May. 30, 2018
Lg Chem, Ltd., Seoul, KR;
Hae Jin Lim, Daejeon, KR;
Sang Uck Kim, Daejeon, KR;
Abstract
The present invention relates to a secondary battery provided with a multi-tab. The secondary battery includes a jelly-roll in which an electrode and a separator are stacked to cross each other and which is wound around a central core, a plurality of multi-tab parts extending from the electrode and formed on a predetermined area at an end of the jelly-roll, a can member accommodating the jelly-roll, and an insulation member disposed adjacent to the end to insulate the can member from the jelly-roll. The insulation member includes a central hole punched in a center of the insulation member so that the central core passes therethrough and a tab hole punched around the central hole to correspond to the plurality of multi-tab parts so that the plurality of multi-tab parts pass therethrough.