Intercalation of solid polymer electrolytes into ...



Title Intercalation of solid polymer electrolytes into graphite oxide
Author(s) Rabin Bissessur, Stephen F. Scully
Journal Solid State Ionics
Date 2007
Volume 178
Issue 11-12
Start page 877
End page 882
Abstract Intercalation compounds of polyethylene oxide, polyvinylpyrrolidone, methyl cellulose, poly[oxymethylene-(oxyethylene)] and poly[oligo(ethylene glycol oxalate)] into graphite oxide (GO) have been synthesized. The forces of attraction between the polymers and GO are primarily dipole?dipole and/or hydrogen bonding arising from the polar groups in the polymers and the functional groups (COC, COOH, COH and CO) in the GO. Addition of a small amount of dilute NaOH resulted in deprotonation of the acidic functionalities which caused exfoliation of the layered structure. Mixing with polymer solutions, followed by addition of a small amount of HCl induced flocculation of the graphite oxide with the polymers trapped in the gallery space. The resulting composites were characterized by powder X-ray diffraction and thermogravimetric analysis.
DOI 10.1016/j.ssi.2007.02.030

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