Charging (batteries) Lithium-ion batteries 29 Battery management systems 28 Ions 15 States of charges 15 Secondary batteries 14 Electric vehicles 11 Electric vehicle charging 9 State of health 9 Digital storage 7 lithium-ion battery 7 Battery Pack 6 Charging infrastructures 6 Long short-term memory 6 Microgrid 6 Cost effectiveness 5 Forecasting 5 Fossil fuels 5 State-of-charge estimation 5 Vehicle-to-grid 5 state of charge 5 Automotive industry 4 Data driven 4 Economics 4 Electric power transmission networks 4 Energy 4 Energy transfer 4 Equivalent circuits 4 Health 4 Inductive power transmission 4