@inproceedings{472b90b77bd044a396cb94eb60a5a79d,
title = "Poly(arylene ether) block copolymer membranes: Synthesis, properties and durability",
abstract = "Poly(arylene ether sulfone)s (SPEs) block copolymers containing fluorenyl groups were synthesized for fuel cell applications. Post-sulfonation of the polymers by chlorosulfonic acid gave sulfonated block copolymers having highly sulfonated hydrophilic block. SPE block copolymer membrane with the ion exchange capacity (IEC) = 2.20 meq/g showed proton conductivity, 0.14 S/cm (80% RH) and 0.02 S/cm (40% RH) at 80°C, which is higher or comparable to that of perfluorinated ionomer (Nafion{\textregistered}) membrane. STEM observation of Ag-stained membranes revealed that phase separation of the SPE block copolymers was more developed than that of the SPE random copolymers. Long-term hydrolytic stability of these membranes has been confirmed.",
author = "Byungchan Bae and Kenji Miyatake and Masahiro Watanabe",
year = "2009",
doi = "10.1149/1.3210591",
language = "English",
isbn = "9781566777384",
series = "ECS Transactions",
number = "1 PART 1",
pages = "415--422",
booktitle = "ECS Transactions - Proton Exchange Membrane Fuel Cells 9",
edition = "1 PART 1",
note = "9th Proton Exchange Membrane Fuel Cell Symposium (PEMFC 9) - 216th Meeting of the Electrochemical Society ; Conference date: 04-10-2009 Through 09-10-2009",
}