Battery module, battery temperature managing system and vehicle comprising the same

A battery temperature managing system, comprising:

• a battery module comprising:
• a lower shell body having a cooling plate and a plurality of separator plates provided on the cooling plate at intervals,
• an upper cover hermetically connected with the plurality of the separator plates, the cooling plate and upper cover disposed at opposite sides of the lower shell body,
• a front cover plate and a back cover plate hermetically connected with front most and backmost sides of the plurality of the separator plates respectively, wherein the cooling plate, the upper cover, the front cover plate, the back cover plate, and the plurality of separator plates are hermetically connected to form a plurality of separate sealing spaces for receiving battery cores and electrolytes therein respectively, and
• a first main flow channel disposed within the upper cover, a second main flow channel disposed within the cooling plate at the side opposite to the upper cover, and branch flow channels disposed within the separator plates, the branch flow channels in fluid communication with both main flow channels to allow fluid flow from one of two main flow channels to the branch flow channels, and then to the other of the two main flow channels;
• a heat exchanger connected with the battery module by a coolant circulating circuit;
• and
• a temperature control device connected with the heat exchanger by a refrigerant circulating circuit, wherein a coolant in the coolant circulating circuit and a refrigerant in the refrigerant circulating circuit exchange heat with each other through the heat exchanger, and wherein the battery module is cooled or heated by the coolant when the coolant flows through the battery module.