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Patent application: Thermal barrier for a battery

Ben Welter - Friday, May 03, 2019
Hutchinson patent drawing

U.S. patent application 20190131675 (applicant Hutchinson SA, Paris, France):

"A thermal barrier to maintain the temperature of a battery. The barrier comprises elements with respectively cold and hot PCM materials, and elements, thermal isolators, arranged at least in case of some between two of the PCM material elements. ... With regard to the hot and cold PCM elements respectively, for two types of batteries for example, operating favourably at between 25° C. and 35° C. and between 45° C. and 55° C. (all to within 15%), it will in particular be possible to use encapsulated PCMs (typically microencapsulated) in a porous, open-pore matrix, preferably of the elastomer type, such as based on NBR and HNBR silicone."

http://www.freepatentsonline.com/20190131675.pdf

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