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Methanol Fuel cells Membranes - Wiley Online Library

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Last Updated: 16 February 2022

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High‐performance blended membranes based on poly(arylene ether sulfone) and sulfonated poly(styrene‐isobutylene‐styrene) for direct methanol fuel cell applications

Two series of polys with hydrophobic blocks made of 4,4′-dihydroxyphenyl and 2,2′-bis propane were synthesized in this research. The copolymers were aided by a coupling reaction between decafluorobiphenyl end-capped nonsulfonated block and sulfonated block. The low-temperature coupling reaction is aided by DFBP's reactive activity. Incorporating SIBS 88 into the blend added elastomeric properties and additional ionic domains, resulting in proton conductivities of 0. 21 S cm-1 for BPA-based membranes at 50°C. The selectivity of the tested membranes exceeds Nafion® 117, making them excellent candidates for proton exchange membranes in direct methanol fuel cell applications.

Source link: https://onlinelibrary.wiley.com/doi/10.1002/app.52027

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions