Quaternary ammonium COF/OPBI composite membrane

Ordered proton transport channels

By leveraging strong ion-pair interactions between quaternary ammonium groups on the covalent organic framework and phosphate ions, this membrane establishes ordered proton transport channels, significantly enhancing both phosphoric acid retention and proton conductivity.

Panlong, Zhou · Zhang, Bin · Linjian, Sang · Hang, Zhang · Xi, Sun · Heguo, Han · Chen, Yaohan · Xiaofeng, Li · Zheng, Jifu · Li, Shenghai · Zhang, Suobo

Journal of Membrane Science 2025

Specifications

无水质子传导率

{'zh': '121', 'en': ''} mS cm⁻¹

磷酸保留率

{'zh': '70.1', 'en': ''} %

峰值功率密度

{'zh': '733.3', 'en': ''} mW cm⁻²