LONG-DURATION PHES SYSTEMS WITH MODULAR CONFIGURATIONS
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Jan 10, 2023
filing date -
Jan 10, 2023
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The present disclosure provides long-duration pumped heat energy storage systems with modular configurations. A pumped heat energy storage system of the present disclosure can store thermal energy by operating as a heat pump with heat discharge occurring as a result of heat engine operation of the pumped heat energy storage system for extended periods of time. The extended periods can be attributed to the use of multiple charge and/or generation powertrains during heat pump and/or heat engine operation, respectively.
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