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:
Mar. 16, 2021
Filed:
Jan. 24, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
National University Corporation Nagoya University, Nagoya, JP;
Naoki Nakamura, Shizuoka-ken, JP;
Atsushi Noro, Nisshin, JP;
Takato Kajita, Ichinomiya, JP;
Haruka Tanaka, Nagoya, JP;
Yushu Matsushita, Nagoya, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY, Nagoya, JP;
Abstract
A proton-conductive membrane is provided, which exhibits high proton conductivity even in an anhydrous environment. The proton-conductive membrane includes a crosslinked polymer and a plasticizer, wherein the crosslinked polymer includes a proton acceptor group in an amount equal to not less than 10 mol % of repeating units constituting the crosslinked polymer, the plasticizer includes a proton donor compound having a pKa value of not more than 2.5, and the plasticizer is a viscoelastic solid in a temperature range of 50° C. to 120° C.