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    THERMAL ENERGY STORAGE SYSTEMS WITH IMPROVED SEISMIC STABILITY
    1.
    发明公开
    THERMAL ENERGY STORAGE SYSTEMS WITH IMPROVED SEISMIC STABILITY 审中-公开

    公开(公告)号：US20240344776A1

    公开(公告)日：2024-10-17

    申请号：US18633425

    申请日：2024-04-11

    申请人： Rondo Energy, Inc.

    发明人： Peter Emery VON BEHRENS ,  Brayden BUTLER ,  Drew WEIBEL ,  Hayden BURVILL ,  John WHITNEY ,  Eldana NIYETBEK

    IPC分类号： F28D20/00 ,  F01K23/10

    CPC分类号： F28D20/0043 ,  F01K23/10

    摘要： A thermal energy storage (TES) system converts variable renewable electricity (VRE) to continuous heat at over 900° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered heat which may be used for processes including power generation and cogeneration. The thermal storage medium may constitute refractory material such as brick or concrete configured with radiation cavities and fluid flow channels to provide for rapid radiative charging from VRE and long-term convective discharging. Configurations of the thermal storage medium enable a substantially horizontal thermocline and heat delivery arrangement, which provides seismic stability and facilitates significant expandability of the TES system primarily by increasing the length of the system without adding undue height, contributing to both stability and efficiency of the heat delivery structure.

    Thermal Energy Storage System with Alternating Discharge Operation
    8.
    发明申请
    Thermal Energy Storage System with Alternating Discharge Operation 有权

    公开(公告)号：US20220268179A1

    公开(公告)日：2022-08-25

    申请号：US17650520

    申请日：2022-02-09

    申请人： Rondo Energy, Inc.

    发明人： John Setel O'Donnell ,  Peter Emery von Behrens ,  Chiaki Treynor ,  Jeremy Quentin Keller ,  Matthieu Jonemann ,  Robert Ratz ,  Yusef Desjardins Ferhani

    IPC分类号： F01K3/02 ,  F01K15/00 ,  F28D20/00 ,  H01M8/04007 ,  F01K3/08 ,  F01K3/18 ,  H01M8/04014 ,  H02M1/00 ,  H01M8/04029

    摘要： An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. An array of bricks incorporating internal radiation cavities is directly heated by thermal radiation. The cavities facilitate rapid, uniform heating via reradiation. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. Gas flows through structured pathways within the array, delivering heat which may be used for processes including calcination, hydrogen electrolysis, steam generation, and thermal power generation and cogeneration. Groups of thermal storage arrays may be controlled and operated at high temperatures without thermal runaway via deep-discharge sequencing. Forecast-based control enables continuous, year-round heat supply using current and advance information of weather and VRE availability. High-voltage DC power conversion and distribution circuitry improves the efficiency of VRE power transfer into the system.