Charging performance 1 Charging period 1 Charging periods 1 Energy 1 Energy-transport 1 Heat conduction 1 Heat storage 1 Heat transfer media Heat-conducting vertical partition 1 Heat-conducting vertical partitions 1 In-buildings 1 Innovative heat transfer 1 Numerical analysis 1 Numerical simulation 1 Phase change material 1 Phase change materials 1 Porosity 1 Square cavity 1 Thermal conductivity 1 Thermal storage 1