Zinc Stannate as anode and Pyrrolidinium-Based Room Temperature Ionic Liquid as electrolyte for Lithium-ion Cells
Autor
Quezada, D.
Honores, Jessica
Ruíz-León, Domingo
Resumen
With the aim to design safer batteries, pyrrolidinium-based room temperature ionic liquids (RTIL) have been used as electrolytes in Li-ion batteries using zinc stannate as the anodic material. The lithium diffusion coefficients were calculated using Electrochemical Impedance Spectroscopy (EIS) data and were 2.37 x 10-12 cm2s-1 for MPPyrTFSI and 1.29 x 10-12 cm2s-1 for BMPyrTFSI. The performance of the device strongly depended on the cation chemical structure, yielding different specific capacity values of 306.3 mAhg-1 for BMPyrTFSI and 269.2 mAhg-1 for MPPyrTFSI.
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