Proton delivery through a dynamic 3D H-bond network constructed from dense hydroxyls for advanced ion-selective membranes

Autor: Ce Hao, Xiaoming Yan, Lei Hu, Yan Dai, Xuemei Wu, Gaohong He, Wenji Zheng, Li Gao
Rok vydání: 2019
Předmět:
Zdroj: Journal of Materials Chemistry A. 7:15137-15144
ISSN: 2050-7496
2050-7488
Popis: An advanced ion-selective membrane containing a dynamic hydroxyl-based 3D H-bond network is first proposed for improved efficiencies and stability in flow battery applications. The 3D H-bond network structure is constructed by the nanoscale aggregation of hydrophilic dense-hydroxyl side chains anchored to hydrophobic polybenzimidazole. This unique dynamic H-bond network creates proton transport highways as well as vanadium permeation barriers across the membrane, leading to an ultralow vanadium ion permeability (
Databáze: OpenAIRE