Perfluoroalkyl-Functionalized Covalent Organic Frameworks with Superhydrophobicity for Anhydrous Proton Conduction

• Published in: Journal of the American Chemical Society Vol. 142; no. 33; pp. 14357 - 14364
• Main Authors: Wu, Xiaowei, Hong, You-lee, Xu, Bingqing, Nishiyama, Yusuke, Jiang, Wei, Zhu, Junwu, Zhang, Gen, Kitagawa, Susumu, Horike, Satoshi
• Format: Journal Article
• Language: English
• Published: American Chemical Society 19.08.2020
• Subjects: contact angle; electrolytes; fluorine; hydrophobicity; ion transport; perfluorocarbons; phosphorous acid; polymers; temperature

The development of anhydrous proton-conducting materials is critical for the fabrication of high-temperature (>100 °C) polymer electrolyte membrane fuel cells (HT-PEMFCs) and remains a significant challenge. Covalent organic frameworks (COFs) are an emerging class of porous crystalline materials...