Patent ID: 8201615
Filing Date: 2012-06-19
Classification: C09K,F24H,F28D,F28F,Y02E,Y10T

Abstract:
1. The device for storing and discharging heat including a housing having an internal volume, an array of capsules within the housing, and a thermal energy storage material contained in the capsules, wherein the device exhibits an average initial power density of heat transferred to a heat transfer fluid of at least 8 kW/L based on the internal volume of the housing wherein the average initial power density is defined over an initial 30 seconds, wherein the average initial power density is measured on the device having an initial temperature of 280° C. in the housing, and the heat transfer fluid having an initial temperature of 10° C.; wherein the thermal energy storage material is encapsulated between two metal plies, the metal plies have a thickness on the order of 10 −1 to 10 2 μm, the capsules have a thickness from 0.5 mm to 20 mm, the volume fraction of the thermal energy storage material in the housing is 0.5 or more, the housing includes an inlet and an outlet and one or more flow paths for flowing a heat transfer fluid through the housing, and wherein the one or more flow paths and the array of capsules are arranged so that the device has the required average initial power density.