Interpreting High Precision Coulometry Results on Li-ion Cells

By A. Smith, J. C. Burns, Deijun Xiong, J. Dahn. 2011

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Operando Pressure Measurements Reveal Solid Electrolyte Interphase Growth to Rank Li-Ion Cell Performance (2019, background): “The shift loss, calculated as the difference in positive and negative electrode shifts, quantifies the capacity lost due to negative electrode SEI growth and repair.(17,58) With no significant mass loss, the increasing shift loss shown in Figure 2C indicates that the primary source of capacity loss ”
Calendar Aging of NCA Lithium-Ion Batteries Investigated by Differential Voltage Analysis and Coulomb Tracking (2017, background): “31,39 Although transition-metal dissolution is typically expected for manganese-based electrodes, 8,40 post-mortem studies have also revealed a deposition of cobalt and nickel at the anode of aged NCA cells.”
A Comparison between Electrochemical Impedance Spectroscopy and Incremental Capacity-Differential Voltage as Li-ion Diagnostic Techniques to Identify and Quantify the Effects of Degradation Modes within Battery Management Systems (2017, background): “Degradation of lithium-ion batteries (LIBs) is an extremely complex process that depends on a variety of ageing mechanisms caused by different intrinsic and extrinsic factors [1,2].”