DOE OSTI · 1971893
Pumped Thermal Energy Storage With Liquid Storage
Abstract
Pumped Thermal Energy Storage (PTES) uses electricity to power a heat pump; transferring heat from a cold space to a hot space forms a hot and a cold thermal reservoir, thereby storing energy. To discharge, the temperature difference between the two stores is used to drive a heat engine which generates electricity. In this chapter, PTES systems which store energy in liquids will be described. The chapter will concentrate on Joule-Brayton power cycles with molten salt storage. Part-load operation of Joule-Brayton PTES with liquid storage can be managed with "inventory control," and it is demonstrated that this control method leads to relatively good performance over a range of operating points.
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McTigue, Joshua D. (ORCID:0000000337362788), Farres-Antunez, Pau, Markides, Christos N., White, Alexander J.. 2022-03-30. Pumped Thermal Energy Storage With Liquid Storage. https://doi.org/10.1016/b978-0-12-819723-3.00054-8
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