Utilization of Water-Insoluble Carbon Nitride-Phosphotungstic Acid Hybrids in Composite Proton Exchange Membranes

• Published in: Membranes (Basel) Vol. 14; no. 9; p. 195
• Main Authors: Yuan, Xiancan, Lu, Zhongrui, Jia, Xiaoyang, Yang, Zhuoran, Wang, Jian, Wang, Xiong, Lin, Jun, He, Shaojian
• Format: Journal Article
• Language: English
• Published: Switzerland MDPI AG 13.09.2024; MDPI
• Subjects: Carbon; Carbon nitride; China; Conductivity; Fourier transforms; Fuel cell industry; Fuel cells; Graphene; Hybrids; Mechanical properties; Membranes; Morphology; Nanocomposites; Nitrides; Phenolphthalein; Phosphates; phosphotungstic acid; Polyether ether ketones; proton exchange membrane; Protons; Room temperature; Sintering; Spectrum analysis; sulfonated polyether ether ketone; Sulfuric acid; Tungsten compounds; Water; Water use; China; Beijing China; United States > US; proton exchange membrane; carbon nitride; phosphotungstic acid; sintering; sulfonated polyether ether ketone

Phosphotungstic acid (HPW) can retain water in proton exchange membranes to increase proton conductivity; however, its water-soluble nature limits further application. In this work, we combined HPW and graphitic carbon nitride (g-C N ) via sintering to prepare water-insoluble hybrids (HWN), where HP...