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Patent application: Thermal management systems including multiple phase changing materials

Ben Welter - Sunday, May 10, 2020

Toyota patent drawingU.S. patent application 20200136209 (applicant Toyota Motor Engineering & Manufacturing North America Inc., Plano, Texas):

"A battery module including a battery cell and a thermal management system for removing heat from the battery cell. The thermal management system includes two or more unit cells in an array. Each unit cell includes a primary shell comprising a primary phase change material (PCM), and a secondary shell comprising a secondary PCM that is thermally coupled to the primary shell. The battery cell is thermally coupled to the primary shell at a heat transfer interface and the secondary shells of adjacent unit cells in the array are separate."

http://www.freepatentsonline.com/20200136209.pdf

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