期刊
DALTON TRANSACTIONS
卷 50, 期 43, 页码 15914-15923出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1dt02877d
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资金
- LabEx charmmmat [ANR-11-LABEX-0039]
The EMIMCl@MIL-101(Cr)-SO3H composite displays high proton conductivity under both high temperature and humidity conditions, making it a promising candidate for solid state proton conductor in PEMFC applications.
A highly performing proton conducting composite was prepared through the impregnation of EMIMCl ionic liquid in the mesoporous MIL-101(Cr)-SO3H MOF. The resulting EMIMCl@MIL-101(Cr)-SO3H composite displays high thermal and chemical stability, alongside retention of a high amount of EMIMCl even at temperatures as high as 500 K, as well as under moisture conditions. Remarkably, this composite exhibits outstanding proton conductivity not only at the anhydrous state (sigma(473 K) = 1.5 x 10(-3) S cm(-S)) but also under humidity (sigma((343 K/60%-80%RH)) >= 0.10 S cm(-1)) conditions. This makes EMIMCl@MIL-101(Cr)-SO3H a unique candidate to act as a solid state proton conductor for PEMFC applications under versatile conditions.
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