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. 21, 2025
Filed:
Sep. 12, 2021
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Industry-academic Cooperation Foundation Gyeongsang National University, Jinju-si, KR;
Il Seok Chae, Seoul, KR;
Jong Kil Oh, Yongin-si, KR;
Bo Ki Hong, Seoul, KR;
Ki Hyun Kim, Seoul, KR;
Soon Ki Kwon, Jinju-si, KR;
Mi Jeong Kim, Gimhae-si, KR;
Han Sol Ko, Changwon-si, KR;
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Industry-Academic Cooperation Foundation Gyeongsang National University, Jinju-si, KR;
Abstract
The present disclosure to an electrolyte membrane containing a polyfluorene-based ionomer, and more particularly, to an electrolyte membrane containing a polyfluorene-based ionomer which has a fluorene main chain composed of only a carbon-carbon bond and a side chain composed of a perfluorosulfonic acid group. The electrolyte membrane containing the polyfluorene-based ionomer has high proton conductivity, excellent chemical durability, excellent mechanical property, and excellent volume stability.