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Water and phosphoric acid uptake of poly [2,5-benzimidazole] (ABPBI) membranes prepared by low and high temperature casting

✍ Scribed by Liliana A. Diaz; Graciela C. Abuin; Horacio R. Corti


Book ID
108192839
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
549 KB
Volume
188
Category
Article
ISSN
0378-7753

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We report the preparation of phosphoric acid doped poly(2,5-benzimidazole) (ABPBI) membranes for PEMFC by simultaneously doping and casting from a poly(2,5-benzimidazole)/phosphoric acid/methanesulfonic acid (MSA) solution. The evaporation of MSA yields a very homogeneous membrane having a better co