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:
Sep. 20, 2022
Filed:
Oct. 17, 2018
Lg Chem, Ltd., Seoul, KR;
Hang Soo Shin, Daejeon, KR;
Do Gyun Kim, Daejeon, KR;
Sang Suk Jung, Daejeon, KR;
Byoung Gu Lee, Daejeon, KR;
Chan Bae Kim, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
A secondary battery may include: an electrode assembly in which a positive electrode, a negative electrode, and a separator are wound or stacked; an insulator on at least one of an upper portion and a lower portion of the electrode assembly; and a battery case configured to accommodate the electrode assembly, the insulator, and an electrolyte and sealed by a cap assembly, wherein the insulator includes: a peripheral portion having a disk ring shape and made of a rigid material; and a central portion extending inward from an inner circumferential surface of the peripheral portion and including a textile fabric having high-temperature resistance.