Electrode/electrolyte Interface plays a critical role in Li-ion batteries. The formation of solid electrolyte interphase (SEI) on electrodes enable non-aqueous Li-ion battery to be operated above 4.0V, aqueous Li-ion battery above 2.5V, and solid electrolyte Li-ion battery to achieve long cycle life. In this talk, we will present our recent progress on the electrolyte stability, formation of SEI, and its impact on the electrochemical performance of aqueous and solid state Li-ion batteries. A single material all solid state Li-ion battery and electroanalytical method for evaluating the thermodynamic stability of the solid electrolyte, for dynamically measuring ionic/electronic conductivity of porous electrode during charge/discharge cycles will also be discussed.

Impact of electrolyte stability on electrochemical performance of Li-ion battery

254th National Meeting (2017)

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