"Keeping an electric car's battery at the right temperature is of utmost importance. Get it wrong, and you're in for a poor ride: bad range, slow charging and accelerated degradation. As a result, automakers have come up with all sorts of solutions to keep battery temperature in check, but the problem is that some of the systems are very complicated and not very efficient."
"Germany's Webasto, a big automotive supplier, wants to bring some simplicity into the battery heating game with a device that can take the role of three individual components in a traditional system. Called the Heated Chiller, the pioneering three-in-one heating and cooling plate is currently in development for 800-volt EVs. The device, which Webasto announced on Tuesday, promises to cut losses, improve cabin heating in extreme cold and keep the battery at the right temperature, all while driving down costs."
"Webasto claims its new high-voltage component replaces the air heater, high-voltage coolant heater and chiller found in the most convoluted setups. The company says the Heated Chiller can heat the battery coolant to improve performance, charging speeds and service life. It can also remove excess heat from the battery circuit by using the integrated chiller, and it can directly heat the refrigerant that's used by the heat pump, helping it to warm up the cabin faster."
Webasto developed the Heated Chiller, a three-in-one high-voltage heating and cooling plate for 800-volt EVs that integrates battery heating, battery cooling and refrigerant heating. The device connects to both the coolant loop and the refrigerant loop to heat battery coolant for better performance, faster charging and longer service life, remove excess battery heat via an integrated chiller, and directly heat heat‑pump refrigerant to warm the cabin faster in extreme cold. Replacing an air heater, a high‑voltage coolant heater and a chiller reduces component count, pipework and packaging space, cuts energy losses, lowers costs and simplifies diagnosis.
Read at insideevs.com
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