Intercalation of solid polymer electrolytes into ...
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Citation
| Title | Intercalation of solid polymer electrolytes into graphite oxide |
| Author(s) | R. Bissessur, S. 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. |
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