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Patent application: Inverse latent heat thermal energy storage system

Ben Welter - Thursday, January 03, 2019

U.S. patent application 20190003782 (applicant UChicago Argonne LLC, Chicago, Ill. ):

UChicago Argonne patent drawing"The invention provides a method for storing and releasing heat having the steps of thermally contacting thermal transfer fluid to a mixture of foam and phase change material for a time sufficient for the material to change from a first phase to a second phase during a time when electricity rates are at a first price point; maintaining said material in the second phase until electricity rates are at a second point, wherein the second point is higher than the first price point; and thermally contacting the thermal transfer fluid to the composite in the second phase for a time sufficient for the material to change from the second phase to the first phase. The invention also provides an energy storage module having a mixture of phase change material and high surface area substrate."

http://www.freepatentsonline.com/20190003782.pdf

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