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EERA Joint Program on Energy Storage - SP3 on Thermal Energy Storage Common Applications Thermal load management and peak shaving in various applications, especially buildings High-performance electronics Automotive thermal management Textiles, fibers and fabrics Personal comfort Example Applications PCM was applied to a car battery module at AIT for optimal thermal management during quick charging of the batteries. Peak temperatures were reduced by 7.5 K. In that way charging times could be significantly accellerated. In figure 3, the temperature reference scenario is compared with various optimized scenarios employing PCMs. Further information can also be found in a work carried out at TU München [6]. 1. Thermal management for batteris ΔT = 7.5 K Figure 3: Peak shaving with low temperature PCMs during quick charging of batteries (source: AIT) 2. PCM in evaporators of heat pumps and air conditioning systems The evaporator has an aditional PCM section filled with paraffin. In stop and go traffic the AC can still provide cool air with the compressor switched off. The PCM is recharged when the vehicle is moving again.1 This technique is also being investigated for domestic heat pumps.2 Figure 4: AC-Evaporator with PCM (source: Delphi Automotive PLC) 3. PCMs for personal comfort PCMs are used in many fabrics, most of them for sports. As an example the Canadian wheelchair rugby team3 uses PCM cooling vests. There is a whole lot of different products, including hats, caps and vests including products for pets.4 Figure 5: Cooling dog pad4 References 1. N. Sarier et al., 2012. 2. A. Sari et al., 2014. 3. W. Su et al., 2015. 4. A.M. Khudhair & M.M. Farid, 2004. 5. A. Sharma et al., 2009. 6. C. Huber, 2017. Contact SP3 on TES Dr Antje Seitz, Coordinator antje.seitz@dlr.de European Energy Research Alliance (EERA) Rue de Namur, 72 1000 Brussels | Belgium 1 Phase Change Material evaporator 2 www.akg-group.com 3 Wheelchair Rugby team 4 www.techniche-intl.com http://eera-es.eu/PDF Image | Brochure on Thermal Energy Storage Technologies
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