Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 23, Issue 6, Pages 1248-1252Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201605215
Keywords
ionic liquids; metal-organic frameworks; moderate temperature; proton conduction; safe electrolytes
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Funding
- NSF of China [21371123, 51402293]
- Strategic Priority Research Program, CAS [XDB20000000]
- Fujian NSF for Distinguished Young Scholar [2016J06006]
- Key project of CAS [QYZDB-SSW-SLH023]
- State Key Laboratory of Structural Chemistry at Fujian Institute of Research on the Structure of Matter [20160009]
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To develop proton-conducting materials under low-humidity conditions and at moderate working temperature still remains challenging for fuel-cell technology. Here, a new type of proton-conducting material, EIMSHTFSA@ MIL, which was prepared by impregnating the binary ionic liquid, EIMS-HTFSA (EIMS=1-(1-ethyl-3-imidazolium) propane-3-sulfonate; HTFSA=N, N-bis(trifluoromethanesulfonyl) amide), into a mesoporous metal-organic framework, MIL-101 ([Cr3F(H2O)(2)O(BDC)(3)center dot nH2O] (n approximate to 0.25, BDC=1,4-benzenedicarboxylate)) is reported. By taking advantage of the ionic-liquid properties, such as high thermal stability, non-volatility, non-flammability, and low corrosivity, EIMS-HTFSA@MIL shows potential application as a safe electrolyte in proton conduction above 100 degrees C.
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