Every Day a New Battery: Aging Dependence of Internal States in Lithium-ion Cells

The following sections are included: Operation and Degradation Processes in the Electrode State Diagram Introduction Absolute potentials and the electrode state diagram Charge and discharge Charge and discharge limits Combined electrode reactions Anodic side reactions - Growth of solid electrolyte interface (SEI) Cathodic side reactions - Possible formation of solid permeable interface (SPI) Transition metal dissolution Loss of active material Experimental Verification and Analysis Techniques Loss of anode active material Loss of active lithium Loss of cathode active lithium The principle of limitation Example of an aged cell Inhomogeneities and limitations in real cells Conclusion Bibliography