Patent ID: 9083066
Filing Date: 2015-07-14
Classification: F25B,H01M,Y02B,Y02E,Y02P

Abstract:
1. A battery system, comprising: a battery cell assembly having first and second battery cells and a cooling fin disposed between the first and second battery cells; the cooling fin having a generally rectangular-shaped plate and a tube; the generally rectangular-shaped plate having a first side and a second side, the generally rectangular-shaped plate defining at least first, second, third, and fourth arcuate-shaped peripheral edge portions; the tube being coupled to the first side of the generally rectangular-shaped plate, the tube being disposed on the first, second, third, and fourth arcuate-shaped peripheral edge portions in an arcuate-shaped groove defined by the first, second, third, and fourth arcuate-shaped peripheral edge portions; the tube defining an internal flow path therein, the cooling fin configured to receive a two-phase refrigerant in the tube, the two-phase refrigerant having a portion thereof in a liquid state and a remaining portion thereof in a gaseous state, the cooling fin further configured to receive heat energy from the first and second battery cells and to transition the two-phase refrigerant into a gaseous refrigerant within the internal flow path utilizing the heat energy; a compressor fluidly coupled to the tube and configured to pump the gaseous refrigerant into a condenser; and the condenser fluidly coupled to the compressor and configured to receive the gaseous refrigerant from the compressor, the condenser further configured to transition the gaseous refrigerant into a liquid refrigerant by extracting heat energy from the gaseous refrigerant; and an expansion valve fluidly coupled between the condenser and the tube of the cooling fin, the expansion valve configured to receive the liquid refrigerant from the condenser and to decrease a pressure level of the liquid refrigerant to obtain the two-phase refrigerant, the two-phase refrigerant being routed from the expansion valve to the tube of the cooling fin.