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公开(公告)号：US11740025B2
公开(公告)日：2023-08-29
申请号：US17376367
申请日：2021-07-15
CPC分类号： F28C3/16 , F02C1/04 , F28D20/0056 , F05D2220/32 , F05D2220/76 , F28D2020/0069 , F28D2020/0078
摘要： The present disclosure describes heat exchangers for converting thermal energy stored in solid particles to electricity. Electro-thermal energy storage converts off-peak electricity into heat for thermal energy storage, which may be converted back to electricity, for example during peak-hour power generation. The heat exchanger for converting thermal energy stored in solid particles to electricity enables the conversion of thermal energy into electrical energy for redistribution to the grid. In some embodiments, pressurized fluidized-bed heat exchangers may achieve efficient conversion of thermal energy to electricity by providing direct contact of the solid particles with a gas stream.
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公开(公告)号：US11631992B2
公开(公告)日：2023-04-18
申请号：US17375105
申请日：2021-07-14
申请人： Alliance for Sustainable Energy, LLC , Purdue Research Foundation—Office of Technology Commercialization
发明人： Zhiwen Ma , Jeffrey Clayton Gifford , Patrick Gordon Davenport , Dening Jia , Jason Schirck , Aaron Morris
摘要： The disclosure relates to particle heaters for heating solid particles to store electrical energy as thermal energy. Thermal energy storage directly converts off-peak electricity into heat for thermal energy storage, which may be converted back to electricity, for example during peak-hour power generation. The particle heater is an integral part of an electro-thermal energy storage system, as it enables the conversion of electrical energy into thermal energy. As described herein, particle heater designs are described that provide efficient heating of solid particles in an efficient and compact configuration to achieve high energy density and low cost.
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公开(公告)号：US11181326B2
公开(公告)日：2021-11-23
申请号：US16580421
申请日：2019-09-24
摘要： Methods and devices for long-duration electricity storage using low-cost thermal energy storage and high-efficiency power cycle, are disclosed. In some embodiments it has the potential for superior long-duration, low-cost energy storage.
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公开(公告)号：US11808523B2
公开(公告)日：2023-11-07
申请号：US17502138
申请日：2021-10-15
CPC分类号： F28D20/0043 , F28D17/005 , F28D20/0056 , F28D2020/0078 , F28D2020/0082
摘要： Methods and devices for long-duration electricity storage using low-cost thermal energy storage and high-efficiency power cycle, are disclosed. In some embodiments it has the potential for superior long-duration, low-cost energy storage.
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