BatteryThermophvsicalPropertiesThermalDensityCpConductivitykg/mJ/(kg·K)W/(m·K)325001000Six Li-ion batteries are stacked on a cooling plate. Ahybrid gas-liquid cooling method is used for thermalmanagement of Li-ion batteries.The boundary conditionsare as follows:11/36
Six Li-ion batteries are stacked on a cooling plate. A hybrid gas-liquid cooling method is used for thermal management of Li-ion batteries. The boundary conditions are as follows: Density Cp Thermal Conductivity 2500 1000 3 3 kg / m J / (kg K) W / (m K) Battery Thermophysical Properties 11/36
Boundary conditions:Inlet water--velocity-inlet(300 K 0.2 m/s)Inletgasvelocity-inlet(300 K 2 m/s)Outlet- pressure-outlet(Gauge pressure 0 Pa)airboundaries-adiabaticOutside boundary condition-convective BCFluidtemperature:300KHeat transfer coefficient:h=1oW/(m?K).Cell- a constant source term ( 13800 W/m3)12/36
Boundary conditions: ◼ Outlet- pressure-outlet (Gauge pressure 0 Pa) ◼ Inlet_water—velocity-inlet (300 K 0.2 m/s) ◼ Cell- a constant source term（ 13800 W/m3 ） ◼ Inlet_gas—velocity-inlet (300 K 2 m/s) ◼ Outside boundary condition—convective BC Fluid temperature: 300 K Heat transfer coefficient: h=10 W/(m2K) . ◼ air boundaries-adiabatic 12/36