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This document discusses the electrochemical impedance spectroscopy (EIS) analysis of NCM 111 lithium-ion battery materials, focusing on the kinetics of charge transfer and solid diffusion resistance as influenced by electrolyte concentration and state-of-charge. The study reveals that while NCM 111 generally follows the Butler-Volmer equation, deviations occur at higher salt concentrations, leading to asymmetric kinetics during lithiation and delithiation. The findings highlight the importance of understand
- Author
- ed24m502
- Language
- EN