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Batteries require the right operating temperature for maximum performance and service life. For energy storage devices such as those developed for electric cars and hybrid drives, this is between 15° and 35° Celsius. With CoolingSystems, the Austrian supplier Pollmann has created a flexible thermal management concept that regulates battery temperatures by combining different solutions. With active battery cooling and heating from Karlstein, the range of pure electric vehicles remains stable, even when the outside temperatures are extreme. And hybrid vehicles do not have higher fuel consumption even in inhospitable conditions. Another practical advantage: In the Pollmann modular system, the heat sinks consist of individual modules, meaning that the cooling components and – when using the Pollmann CellConnect cell connection – individual battery cells in the battery module can be exchanged. This opens up new possibilities, especially for the battery modules’ "second life".
The advantages of CoolingSystems:
Energy storage systems emit heat under high loads. This significantly reduces the batteries’ service life and charging capacity. Another consequence of temperature fluctuations in energy storage systems: A cold battery can only be charged with reduced power, which affects electric vehicles’ performance. The vehicle's power electronics must also be actively cooled so that the required power can be released at all times.
A solution can always be found
CoolingSystems from Pollmann is a process that, thanks to its flexibility, can be applied to the requirements of multiple battery technologies. Three different cooling concepts for liquid cooling of batteries describe how Pollmann's expertise in materials can be flexibly applied.
With Pollmann CoolingSystems, customers have access to a modular system of active cooling concepts that make the performance of the energy storage system largely independent of external conditions. The combination of Pollmann's core competencies gives rise to new possibilities for controlling the heat generation of battery and power electronics in the desired bandwidths.
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