Discussion on the influence of DES content in CA-based polymer electrolytes
作者： S. Ramesh , R. Shanti , Ezra Morris
DOI: 10.1007/S10853-011-5964-Z
关键词: Analytical chemistry 、 Materials science 、 Cellulose acetate 、 Deep eutectic solvent 、 Crystallinity 、 Relative viscosity 、 Choline chloride 、 Ionic conductivity 、 Polymer chemistry 、 Arrhenius equation 、 Ionic bonding
摘要: The degree of crystallinity in the matrix formed by cellulose acetate (CA) and lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) were reduced embedding with deep eutectic solvent (DES) which is a type ionic mixture synthesized from choline chloride urea specific ratio. fabrications thin films done solution casting technique. sample composition CA:LiTFSI:DES (28 wt%:12 wt%:60 wt%) appears as highest conducting calculated value 2.61 × 10−3 S cm−1 at ambient temperature. This high possesses low relative viscosity so to have ion fluidity 0.19. SEM micrographs used study structural alternation that took place presence DES different ratio polymer electrolytes matrix. dielectric loss tangent plot reveals relaxation time for has immense movements (Li+). enhancement conductivity plasticized samples temperature obeys Arrhenius rule.
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