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. 14, 2015
Filed:
Mar. 02, 2012
Tetsuji Hirano, Yamaguchi, JP;
Nobuharu Hisano, Yamaguchi, JP;
Tatsuya Arai, Yamaguchi, JP;
Masayuki Kinouchi, Yamaguchi, JP;
Tetsuji Hirano, Yamaguchi, JP;
Nobuharu Hisano, Yamaguchi, JP;
Tatsuya Arai, Yamaguchi, JP;
Masayuki Kinouchi, Yamaguchi, JP;
Ube Industries, Ltd., Yamaguchi, JP;
Abstract
A polymer electrolyte composition of a sulfonated block copolymer (A) having a hydrophilic segment with a sulfonic acid group and a hydrophobic segment with no sulfonic acid group, each segment having an aromatic ring is its main chain, and an aromatic polymer (B) having no sulfonic acid group with a structural unit that is identical to the structural unit contained in the hydrophobic segment of the sulfonated block copolymer is provided. The ion-exchange capacity of the composition can be in a range of 0.5 mmol/g to 2.9 mmol/g. Electrolyte membranes, membrane/electrolyte assemblies, and electrolyte fuel cells utilizing the polymer electrolyte composition are also provide.