Studies on the plasticization efficiency of deep eutectic solvent in suppressing the crystallinity of corn starch based polymer electrolytes
作者： S. Ramesh , R. Shanti , Ezra Morris
DOI: 10.1016/J.CARBPOL.2011.08.047
关键词: Polymer 、 Deep eutectic solvent 、 Crystallinity 、 Ionic bonding 、 Materials science 、 Choline chloride 、 Lithium 、 Electrolyte 、 Ionic conductivity 、 Inorganic chemistry
摘要: Abstract A series of polymer electrolytes composed corn starch (CS), lithium bis(trifluoromethanesulfonyl)imide (LITFSI) and deep eutectic solvent (DES) were fabricated by solution casting technique. The DES was synthesized from a mixture choline chloride urea at molar ratio 1:2. addition is crucial in enhancing the room temperature ionic conductivity increasing amorphous elastomeric phase CS:LITFSI matrix. transport mechanism improved appreciable amount ion conducting produced. highest achieved for electrolyte composition CS:LiTFSI:DES (14 wt.%:6 wt.%:80 wt.%) 1.04 × 10−3 S cm−1. anomalies that observed with upon formation neutral multiples visually revealed SEM micrographs. possible dipole–dipole interaction between constituents visualized FTIR spectroscopy change cage peaks.
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