Azide-assisted terminal crosslinking of ionomeric blocks: Effects on morphology and proton conductivity

作者：Thankamony Roshni Lilly; Hwang Jeong Mo; Kim Tae Hyun^*

来源：Journal of Membrane Science, 2012, 392: 58-65.

DOI：10.1016/j.memsci.2011.12.002

• Polymer electrolyte membrane
• Sulfonated poly(fluorenyl ether sulfone)
• Terminal crosslinking
• Block copolymer
• Proton conductivity
• Morphological analysis

A novel terminally crosslinked block SPES-b membrane was prepared using an azide-assisted thermal curing of sulfonated multiblock poly(arylene ether sulfone). The membrane morphologies and conductivities were investigated as a function of temperature. The crosslinked block SPES-b membrane showed higher proton conductivities than Nafion (R) both at 20 degrees C (0.09 S/cm) and 100 degrees C (0.77 S/cm). High temperatures induced significant conduction enhancements and morphological changes for SPES-b.

• 出版日期2012-3-1