Poly(biphenyl piperidinium) Amphiphilic Membranes Functionalized with Propyl Sulfonic Acid and Octadecyl Side Chains for Vanadium Redox Flow Batteries
Xiaojing Zhang,
Kexin Chen,
Aman Liu
et al.
Abstract:A series of amphiphilic ion exchange membranes (50PS–PBP-x) containing propyl sulfonic acid, long octadecyl side
chains, and piperidinium quaternary ammonium structures are designed
and prepared by the Menshutkin reaction of poly(biphenyl piperidinium)s
with sodium 3-bromopropanesulfonate and 1-bromooooctadecane. The surface
morphology and microphase separation structures of the amphiphilic
membranes are observed by scanning electron microscopy (SEM) and atomic
force microscopy (AFM), respectively. Their water… Show more
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