Impedance modeling Accelerated ageing tests 1 Accelerated aging tests 1 Ageing models 1 Aging mechanism 1 Battery management systems 1 Charging (batteries) 1 Circuit simulation 1 Cobalt compounds 1 Electric current control 1 Electric network parameters 1 Electric railway system 1 Electric railways 1 Electric traction 1 Electrochemical impedance spectroscopy 1 Electrochemical-impedance spectroscopies 1 Electrodes 1 Equivalent circuits 1 Frequency oscillations 1 Graphite anode 1 Impedance model 1 Induced degradation 1 Li-ion pouch cells 1 Lithium-ion batteries 1 Lithium-ion battery 1 Low-frequency oscillation 1 Lower frequencies 1 Manganese-cobalt oxides 1 Power converters 1 Railroads 1