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:
Jun. 10, 2025
Filed:
Nov. 20, 2020
Lg Energy Solution, Ltd., Seoul, KR;
In-Sung Uhm, Daejeon, KR;
Yong-Hee Kang, Daejeon, KR;
Byoung-Hyo Jung, Daejeon, KR;
Min-Chul Jang, Daejeon, KR;
Jung-Hun Choi, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
Disclosed is a packaging for a flexible secondary battery comprising a first polymer resin layer, a barrier layer formed on the first polymer resin layer to block water and gas, and a second polymer resin layer formed on the barrier layer. The thickness of the barrier layer is 30 to 999 nm. The barrier layer is multi-layered, and comprises graphene, a dispersing agent, and pyrene as a flexible linking agent, in which there is π-π conjugation (interaction) between the graphene and the pyrene. Also disclosed is a flexible secondary battery comprising the packaging.