TRACTION BATTERY PACK HAVING COMPARTMENTALIZED BATTERY ARRAYS AND THERMAL MANAGEMENT METHOD FOR SAME

A traction battery pack assembly includes an enclosure having compartments and battery arrays. Each battery array is disposed in one of the compartments. An intake manifold delivers air to the compartments. An exhaust manifold receives air from the compartments. A thermal management method includes using an intake manifold to deliver air to compartments within an enclosure. The compartments each house at least one battery array. The method includes using an exhaust manifold to receive air from the compartments and to communicate air from the enclosure.