Enhancement of Thermal Stability and Cycling Performance of Lithium-Ion Battery at High Temperature by Nano-ppy/OMMT-Coated Separator

Figure 7

(a) Charge/discharge curves of cells assembled with PE separator and nano-ppy/OMMT-coated separator after 100 cycles at 80°C. (b) EIS of cells assembled with PE separator and nano-ppy/OMMT-coated separator after 100 cycles at 80°C. (c) F 1s XPS spectra and (d) P 2p XPS spectra of negative electrodes of cells assembled with PE separator. (e) F 1s XPS spectra and (f) P 2p XPS spectra of negative electrodes of cells assembled with nano-ppy/OMMT-coated separator.

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