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High-performance polymer electrolyte membranes (PEMs) with excellent proton conductivity, gas barrier property, and membrane stability are desired for future fuel cells. Here we report the development of PEMs based on our proposed new concept “Nanofiber Framework (NfF).” The NfF composite membranes composed of phytic acid-doped polybenzimidazole nanofibers (PBINf) and Nafion matrix show higher proton...
Polypeptide hydrogels were prepared by cross-linking of hydrophobically-modified poly[N 5 -(2-hydroxyethyl) l-glutamine] having alkyl side chains –C n H 2n+1 . Chain length of the alkyl group was n = 8, 16, and 18, and their mole fractions in the polypeptide were varied in the range of 0.05–0.16. Shape memory ability of the prepared polypeptide hydrogels was investigated. After...
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