Improved performance of polyvinylidenefluoride-hexafluoropropylene based nanocomposite polymer membranes containing lithium bis(oxalato)borate by phase inversion for lithium batteries
作者： V. Aravindan , P. Vickraman , S. Madhavi , A. Sivashanmugam , R. Thirunakaran
DOI: 10.1016/J.SOLIDSTATESCIENCES.2011.01.022
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摘要: Abstract Nanocomposite polymer electrolyte membranes were prepared by phase inversion technique in polyvinylidenefluoride–hexafluoropropylene (PVdF–HFP) matrix. These gelled with 0.5 M LiBOB EC:DEC (1:1 v/v). gel (GPMs) incorporated nanoparticles of AlO(OH) n and composite (CPMs) also. The a.c. impedance analysis shows that filled membrane exhibits conductivity 1.82 × 10 −3 S cm −1 at ambient temperature. Li/CPM/LiFePO 4 cell delivered a specific discharge capacity 158 147 mAh g first 20th cycle respectively discharged C/20 rate. experiences fade 0.1 mAh g over the investigated 20 cycles. studies vindicate PVdF–HFP could be potential material to use as separator cum lithium batteries conjunction LiFePO counterpart.
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