Predominantly chain segmental relaxation dependent ionic conductivity of multiphase semicrystalline PVDF/PEO/LiClO 4 solid polymer electrolytes
作者: R.J. SengwaPriyanka Dhatarwal
作者单位: 1Dielectric Research Laboratory, Department of Physics, Jai Narain Vyas University, Jodhpur, 342 005, India
刊名: Electrochimica Acta, 2020, Vol.338
来源数据库: Elsevier Journal
DOI: 10.1016/j.electacta.2020.135890
关键词: Solid polymer electrolytePVDF/PEO blendDegree of crystallinityDielectric relaxationIonic conductivityElectrochemical performance
原始语种摘要: Abstract(#br)The solid polymer electrolyte (SPE) films comprise poly(vinylidene fluoride) (PVDF)/poly(ethylene oxide) (PEO) blend (75/25 wt/wt%) as host polymer matrix with lithium perchlorate (LiClO 4 ) as ionic dopant for different salt concentrations (i.e., 5, 10, 15, 20, 25, and 30 wt%), and also varying compositional weight ratio PVDF/PEO blends (i.e., 75/25, 50/50, 25/75, and 10/90 wt/wt%) with 25 wt% concentration of LiClO 4 were prepared by solution casting at 70 °C. The results obtained from X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy revealed that there is enormous alteration in the α- and β-phase crystals of the PVDF and the size and content of the PEO crystallites, and also the degree of crystallinity of these SPE materials with the variation of...
全文获取路径: Elsevier  (合作)
影响因子:3.777 (2012)

  • 固体 
  • multiphase 多相的
  • polymer 聚合物
  • ionic 离子的
  • relaxation 松弛
  • conductivity 传导率
  • dependent 从属的
  • segmental 部分的
  • chain 
  • solid