Beside costs a small driving range as well as more or less big concerns regarding the durability of the battery prevents the breakthrough of pure electrical vehicles. In the following paper it is shown that thermal management for the battery as well as for the cabin plays a very important role to reduce the above mentioned hurdles. In a first part, a special solution for thermal management of a Li-Ion battery is shown. This solution offers a significant potential for cost reduction without lowering the effectiveness of the thermal management. In a second part, a special technology for potential future cabin heating is presented. It is a locally adapted thermal interface (LATHIN) that offers a significant potential for weight and cost reduction (up to 20 %) basically by using a smaller pump for the secondary battery cooling loop as well as pipes with smaller inner diameters. Furthermore, a thermoelectric heat pump for potential future cabin heating has been shown. Its effectiveness is more than twice better than that of a state of the art heating technology that achieves coefficient of performances not higher than COP=1.
Enhanced thermal management for PHEV and EV
2013
10 Seiten, Bilder
Conference paper
English
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