The side reactions between the electrode materials and the nonaqueous electrolytes have been the major contributor to the degradation of electrochemical performance of lithium-ion batteries. A home-built high-precision leakage current measuring system was deployed to investigate the reaction kinetics between the delithiated LiNi0.6Mn0.2Co0.2O2 and a conventional nonaqueous electrolyte. It was found that the rate of parasitic reaction had strong dependence on the upper cutoff potential of the cathode material. The kinetic data also indicated a change of reaction mode at about 4.5 V vs Li+/Li.
CITATION STYLE
Zeng, X., Xu, G. L., Li, Y., Luo, X., Maglia, F., Bauer, C., … Chen, Z. (2016). Kinetic study of parasitic reactions in lithium-ion batteries: A case study on LiNi0.6Mn0.2Co0.2O2. ACS Applied Materials and Interfaces, 8(5), 3446–3451. https://doi.org/10.1021/acsami.5b11800
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