CSP Gen3: Liquid-Phase Pathway to SunShot

Turchi, Craig; Gage, Samuel H.; Martinek, Janna; Jape, Sameer; Armijo, Ken; Coventry, Joe; Pye, John; Asselineau, Charles-Alexis; Venn, Felix; Logie, William; Fontalvo, Armando; Wang, Shuang; McNaughton, Robbie; Potter, Daniel; Steinberg, Ted; Will, Geoffrey

doi:10.2172/1807668

Cited by 22 publications

(33 citation statements)

References 52 publications

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“…are expected to be in the same range as the material costs or even higher. For instance, previous publications estimate 34% (molten salt two‐tank), 37 56% (molten salt two‐tank), 38 or 43% (molten salt thermocline with quartzite) 38 of the total costs for the storage material. Another cost evaluation 39 gives lower numbers of 14% (molten salt thermocline with limestone) and 18% (structured thermocline with concrete) for the storage material costs, but also take into account additional costs such as sales tax, construction, and engineering costs.…”

Section: Future Advances In Liquid‐metal Based Thermal Energy Storagementioning

confidence: 99%

A perspective on high‐temperature heat storage using liquid metal as heat transfer fluid

Niedermeier

2023

Energy Storage

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Energy storage systems are essential to secure a reliable electricity and heat supply in an energy system with high shares of fluctuating renewable energy sources. Thermal energy storage systems offer the possibility to store energy in the form of heat relatively simply and at low cost. In concentrating solar power systems, for instance, molten salt‐based thermal storage systems already enable a 24/7 electricity generation. The use of liquid metals as heat transfer fluids in thermal energy storage systems enables high heat transfer rates and a large operating temperature range (100°C to >700°C, depending on the liquid metal). Hence, different heat storage solutions have been proposed in the literature, which are summarized in this perspective. Based on these, future technical advances are suggested such as reducing the liquid metal share in the heat storage, using waste material as storage medium or using liquid metal as heat transfer fluids not only in sensible, but in latent or thermochemical energy storage systems. The use of waste material in a packed bed configuration with 5% porosity, for example, can bring down the storage material costs to 2%–3% of the costs of a liquid metal‐only storage system. Furthermore, future application fields beyond concentrating solar power are proposed: supply of industrial process heat, waste heat integration and power‐to‐heat‐to‐power processes.

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Section: Future Advances In Liquid‐metal Based Thermal Energy Storagementioning

confidence: 99%

A perspective on high‐temperature heat storage using liquid metal as heat transfer fluid

Niedermeier

2023

Energy Storage

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“…SunShot target (Sandia National Laboratories 2021). The National Renewable Energy Laboratory (NREL) led the liquid pathway (C. Turchi et al 2021), and Brayton Energy led the gas pathway (DOE SETO 2021a). To help meet these SETO goals, heliostats between $50-$70/m 2 are likely needed, depending on the scenario and the performance of the CSP systems (DOE SETO 2021b).…”

Section: List Of Tablesmentioning

confidence: 99%

Initial Heliostat Supply Chain Analysis

Kurup¹,

Akar²,

Augustine³

et al. 2022

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Improvements to heliostat cost, performance, and reliability are necessary to achieve the U.S. Department of Energy (DOE) 2030 SunShot target for CSP of $0.05/kWh with 12 hours of thermal energy storage (TES) in the Southwest (DOE SETO 2021b). Low-cost, highperformance Generation 3 (Gen3) CSP technologies are expected to integrate with hightemperature tower receivers and TES with advanced supercritical carbon dioxide (sCO2) cycles. DOE recently down-selected the solid-particle pathway as the most likely to meet the 2030

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“…Chloride salt is dispatched to a sCO2 power cycle to provide electric power to the grid. The design integration is a conceptual match for the current sodium receiver  solar salt storage  steam-Rankine power cycle promoted by Vast Solar (Craig Turchi et al 2021).…”

Section: Liquid Molten Salt Pathwaymentioning

confidence: 99%

The Role of Concentrating Solar-Thermal Technologies in a Decarbonized U.S. Grid

Augustine

Turchi

Mehos

2021

Self Cite

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NREL), envisions how, over the next few decades, solar could come to power 40% or more of U.S. electricity demand, dramatically accelerating the decarbonization of buildings, transportation, and industry.Through state-of-the-art modeling, the Solar Futures Study is the most comprehensive review to date of the potential role of solar in decarbonizing the U.S. electric grid and broader energy system. However, not all the detailed analysis that informed the Solar Futures Study could be included within its pages. This further analysis is collected in additional National Renewable Energy Laboratory reports, each dedicated to a different technology or socioeconomic concern.This report, The Role of Concentrating Solar-Thermal Technologies in a Decarbonized U.S. Grid, focuses on a particular technology area that could contribute to decarbonization.

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CSP Gen3: Liquid-Phase Pathway to SunShot

Abstract: Department of Energy (DOE) reports produced after 1991 and a growing number of pre-1991 documents are available free via www.OSTI.gov.

Cited by 22 publications

References 52 publications

A perspective on high‐temperature heat storage using liquid metal as heat transfer fluid

A perspective on high‐temperature heat storage using liquid metal as heat transfer fluid

Initial Heliostat Supply Chain Analysis

The Role of Concentrating Solar-Thermal Technologies in a Decarbonized U.S. Grid

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