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:
Apr. 06, 2021
Filed:
Apr. 13, 2018
Lg Chem, Ltd., Seoul, KR;
Sang Gu Ji, Daejeon, KR;
Cheon Hee Bok, Daejeon, KR;
Myung An Lee, Daejeon, KR;
Sang Uck Kim, Daejeon, KR;
Geun Young Park, Daejeon, KR;
Yong Han Kim, Daejeon, KR;
Da Na Kim, Daejeon, KR;
Abstract
A secondary battery is disclosed. According to the present invention, in a case in which the secondary battery is ignited, a gas and materials within the secondary battery may be smoothly discharged to improve safety when the secondary battery is ignited. In order to achieve the above-described object, according to an aspect of the present invention, a secondary battery includes: an electrode assembly; a battery can accommodating the electrode assembly; and a coating part applied to the battery can, wherein the battery can includes a slim part having a relatively thinner thickness than that of the other region of the battery can, and the coating part is applied to the slim part and made of a metal material having tensile strength less than that of the slim part.