Plastic crystal–solid biopolymer electrolytes for rechargeable lithium batteries
作者： Nur Umira Taib , Nurul Hayati Idris
DOI: 10.1016/J.MEMSCI.2014.06.001
关键词: Electrochemical window 、 Dielectric spectroscopy 、 Electrolyte 、 Plastic crystal 、 Lithium 、 Inorganic chemistry 、 Polymer 、 Ionic conductivity 、 Succinonitrile 、 Materials science
摘要: Abstract In this paper, solid polymer electrolytes consisting of chitosan, lithium bis (trifluoromethylsulfonyl) imide (LiTFSI) as a salt and succinonitrile plastic crystal are prepared by using the solution casting method. Electrochemical impedance spectroscopy is used to examine ionic conductivity films at temperature range 303–383 K. Chitosan–LiTFSI containing 50 wt% exhibits high room 0.4×10−3 S cm−1, ion transference number (0.598) wide electrochemical window. The electrolyte with LiFePO4 cathode displays stable discharge capacity 160 mAh g−1 for up 50 cycles current density 17 mA g−1. results demonstrate potential system be an in rechargeable batteries.
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