Parts, Machinery and Tools (East Exhibition Hall)

MAHLE

Battery Cooling　(Chiller) - Behr
The battery cooling method with coolant is very energy-efficient and requires an AC refrigerant evaporator to cool the coolant (water/glysantine in a so-called “secondary loop”), if the ambient temperature is high (e.g. > 30°C).　Behr has developed a special, very compact heat exchanger, known as chiller. This chiller connects the AC refrigerant circuit with the secondary loop of the battery cooling circuit. The temperatures in this secondary loop depends on the operating strategy and on the properties of the battery cells, but are typically between 15°C and 30°C. The high power density of the Behr chiller enables it to be packaged in a small space.

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