Partially fluorinated electrospun proton exchange membranes

Research output: PatentPatent – Annual report year: 2016

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The present invention relates to a novel porous membrane layer, to a novel method for producing a membrane, and the membranes produced by the novel method. The present invention further relates to a fuel cell comprising the porous layer, as well as any use of the porous layer in a fuel cell or in a filter. The porous membrane layer comprises a plurality of randomly oriented fibers manufactured by electrospinning, wherein the fibers comprise a graft copolymer, wherein the graft copolymer comprises a backbone and at least one side chain, wherein the backbone comprises a partially fluorinated copolymer, and wherein at least one side chain of the graft copolymer comprises a polymerization product of a polymerizable proton donor group or a precursor thereof.

Original languageEnglish
IPCH01M 8/ 10 A I
Patent numberWO2016185009
Filing date24/11/2016
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date20/05/2015
Priority numberEP20150168423
Publication statusPublished - 24 Nov 2016

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