Polyphosphazene-based copolymers containing pendant alkylsulfonic acid groups as proton exchange membranes

A series of polyphosphazene-based copolymers containing alkylsulfonated side chains were prepared and made into the corresponding membranes by the reaction with 2,6-bis(hydroxymethyl)-4-methylphenol (BHMP) as the cross-linking reagent. All the cross-linked membranes showed lower water uptake and dim...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Veröffentlicht in:Solid state ionics 2015-10, Vol.278, p.58-64
Hauptverfasser: Fu, Fengyan, Xu, Hulin, Dong, Yan, He, Minlan, Luo, Tianwei, Zhang, Yanxia, Hao, Xin, Ma, Tao, Zhu, Changjin
Format: Artikel
Sprache:eng
Schlagworte:
Online-Zugang:Volltext
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:A series of polyphosphazene-based copolymers containing alkylsulfonated side chains were prepared and made into the corresponding membranes by the reaction with 2,6-bis(hydroxymethyl)-4-methylphenol (BHMP) as the cross-linking reagent. All the cross-linked membranes showed lower water uptake and dimensional swelling. They displayed significant methanol resistance ranging from 1.35 to 7.18×10−7cm2/s and high oxidative stabilities. The individual membrane PFMPP1-r-PFSPP9 showed good proton conductivity (0.14S/cm) under fully hydrated conditions at 80°C. •A series of polyphosphazene-based copolymers were prepared.•They were made into the corresponding membranes by the assist of the cross-linking reagent.•The membranes showed lower water uptake and dimensional swelling.•They displayed significant methanol resistance.•The proton conductivities up to 0.14S/cm at 80°C under fully hydrated conditions.
ISSN:0167-2738
1872-7689
DOI:10.1016/j.ssi.2015.05.018