摘要
comb-shaped polynier (BM350) with oligo-oxyetliylene side chains of thetype-O (CH_2CH_2O )_7CH_3 was prepared from methyl vinyl ether /maleic anhydridecopolymer- Honiogeneous aniorplious polymer electrolyte cornplexes were madefrom the conib polymer and LiCF_3SO_3 by solvent casting from acetone, and theirconductivities were nieasured as a function of temperature and salt concentration.Maxiniuni conductivity close to 5. 08 ×10￣(-5) Scm￣(-1) was obtained at room tempera-tureancl at a [Li]/[EO] ratio of about 0. 12. The conductivity which displayednon-Arrheni us behaviour was analyzed using the Vogel-Tammann-Fulcher equationand interpreted on the basis of the configurational entropy model. The results ofmid-IR sliowed that the coortlination of Li￣+ to side chains made the C-O-C bandbecome broader and shift sliglitly- X-ray photoelectron spectroscopy analysis indi-cated that the oxygen atonis in the two situations could coordinate to Li￣+ and thiscoortlination resulted in the reduction of the electron orbit binding energy of F andS.
comb-shaped polynier (BM350) with oligo-oxyetliylene side chains of thetype-O (CH_2CH_2O )_7CH_3 was prepared from methyl vinyl ether /maleic anhydridecopolymer- Honiogeneous aniorplious polymer electrolyte cornplexes were madefrom the conib polymer and LiCF_3SO_3 by solvent casting from acetone, and theirconductivities were nieasured as a function of temperature and salt concentration.Maxiniuni conductivity close to 5. 08 ×10￣(-5) Scm￣(-1) was obtained at room tempera-tureancl at a [Li]/[EO] ratio of about 0. 12. The conductivity which displayednon-Arrheni us behaviour was analyzed using the Vogel-Tammann-Fulcher equationand interpreted on the basis of the configurational entropy model. The results ofmid-IR sliowed that the coortlination of Li￣+ to side chains made the C-O-C bandbecome broader and shift sliglitly- X-ray photoelectron spectroscopy analysis indi-cated that the oxygen atonis in the two situations could coordinate to Li￣+ and thiscoortlination resulted in the reduction of the electron orbit binding energy of F andS.
