I have obtained EIS data for Nb2O5/rGO composite for LIB anode using coincell type cell assembling using 5mV signal with frequency range 100 mHz to 1MHz. When modeling and fitting the Nyquist plot with equivalent circuit i got this circuit model with RSEI. But i have run coin cells 1-3 V to avoid formation of SEI.
1) Is there is any possibility to form SEI while taking Electrochemical impedance data ?
2) Does Lithium intercalation potential matter on this? (Lithium instertion potential 1-2 V vs Li/Li+)
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