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Table 1 Some band assignments for triflate species

From: Polystyrene-Al2O3 composite solid polymer electrolyte for lithium secondary battery

Band

Wave number (cm-1)

Assignment

νs(SO3)

1,032

Free Tf- ions, solvent-separated pairs

 

1,040

Ion pairs (LiTf), LiTf2-, LiTf32-

 

1,051

Li2Tf+ aggregate

 

1,062

Li3Tf2+ aggregate

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