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- W4313420050 abstract "In this work, phosphotungstic acid (HPW) modified amino-functionalized mesoporous silica (AMS) as an inorganic filler ([email protected]) is incorporated into sulfonated poly (aryl ether sulfone) (SPAES) to prepare inorganic-organic composite membrane. The fabricated silica possesses a mesoporous structure with a surface area of 488.74 m2/g. The amino modification of silica acting as a “bridge” loads more HPW and promotes the compatibility between inorganic fillers and SPAES. The obtained SPAES/[email protected] composite membranes effectively inhibit HPW leakage and display better stability and fuel cell property due to the acid-base interaction and hydrogen-bond networks. Especially, the SPAES/[email protected] membrane displays 18.4% higher proton conductivity (175.5 mS/cm) at 90 °C and 22.3–28.5% higher power density (470.4–678.4 mW/cm2) at 60%–100% RH than the original membrane. In addition, the SPAES/[email protected] membrane still maintains stable voltage output and shows lower voltage decay (0.331 mV/h) and hydrogen permeation current density (8.28 mA/cm2) than Nafion 112 after the durability test." @default.
- W4313420050 created "2023-01-06" @default.
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- W4313420050 date "2023-03-01" @default.
- W4313420050 modified "2023-10-01" @default.
- W4313420050 title "Inorganic-organic composite membranes containing amino-functionalized mesoporous silica loaded phosphotungstic acid with enhanced fuel cell performance and stability" @default.
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- W4313420050 doi "https://doi.org/10.1016/j.ijhydene.2022.12.162" @default.
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