Metal organic framework-laden composite polymer electrolytes for efficient and durable all-solid-state-lithium batteries

A copper benzene dicarboxylate metal organic framework (Cu-BDC MOF) was synthesized and successfully incorporated in a poly(ethylene oxide) (PEO) and lithium bis(trifluoromethanesulfonylimide) (LiTFSI) complex. The incorporation of Cu-BDC MOF was found to significantly enhance the ionic conductivity...

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Bibliographic Details
Published in:RSC advances 2014-01, Vol.4 (50), p.26171-26175
Main Authors: Senthil Kumar, R., Raja, M., Anbu Kulandainathan, M., Manuel Stephan, A.
Format: Article
Language:English
Subjects:
Copper
Cycles
Electrolytes
Electrolytic cells
Ionic conductivity
Lithium
Metal-organic frameworks
Oxides
Thermal stability
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Summary:A copper benzene dicarboxylate metal organic framework (Cu-BDC MOF) was synthesized and successfully incorporated in a poly(ethylene oxide) (PEO) and lithium bis(trifluoromethanesulfonylimide) (LiTFSI) complex. The incorporation of Cu-BDC MOF was found to significantly enhance the ionic conductivity, compatibility and thermal stability of the composite polymer electrolyte (CPE). An all-solid-state-lithium cell composed of Li/CPE/LiFePO 4 was assembled, and its cycling profile has been analysed for different C-rates at 70 °C. The appreciable ionic conductivity, thermal stability and cycling ability qualify these membranes as electrolytes for all-solid-state-lithium batteries used in elevated temperature applications.
ISSN:2046-2069
2046-2069
DOI:10.1039/C4RA03147D