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View article: Technoeconomic Analysis of a Solar Thermochemical Fuel Production Process Using a Packed-Bed Redox Reactor
Technoeconomic Analysis of a Solar Thermochemical Fuel Production Process Using a Packed-Bed Redox Reactor Open
The production of synthetic liquid fuels at a competitive price is paramount to deploy them at scale in sectors such as the aviation and maritime industries. Solar thermochemical fuel production is a promising pathway to produce such fuels…
View article: REDOTHERM: a thermodynamic modeling framework for redox-based thermochemical processes
REDOTHERM: a thermodynamic modeling framework for redox-based thermochemical processes Open
Two-step thermochemical redox cycles are being developed as a potential pathway for the production of hydrogen and syngas. While there are many possible reactor and system configurations, moving oxide systems are considered promising in te…
View article: Development of a Light-Trapping, Planar-Cavity Receiver for Enclosed Solar Particle Heating
Development of a Light-Trapping, Planar-Cavity Receiver for Enclosed Solar Particle Heating Open
Concentrating solar thermal power (CSP) technology development has recently focused on high efficiency power cycles and chemical reactions that require high operating temperatures. An increase in receiver operating temperatures relative to…
View article: High-Fidelity and High-Performance Computational Simulations for Rapid Design Optimization of Sulfur Thermal Energy Storage
High-Fidelity and High-Performance Computational Simulations for Rapid Design Optimization of Sulfur Thermal Energy Storage Open
Industrial process heating (IPH) accounts for approximately 70% of US manufacturing energy use and is primarily produced by fossil fuel combustion. Approximately 1500 TWht (approximately 60%) of IPH demand is in the temperature range of 10…
View article: A Planar-Cavity Receiver Configuration for High-Temperature Solar Thermal Processes
A Planar-Cavity Receiver Configuration for High-Temperature Solar Thermal Processes Open
Next-generation concentrating solar thermal power (CSP) technologies target a wide spectrum of applications including electricity generation, thermochemical processes, and industrial process heat for broad decarbonization potential. Many o…
View article: Addressing Failures in Molten Salt Thermal Energy Storage Tank for Central Receiver Concentrating Solar Power Plants
Addressing Failures in Molten Salt Thermal Energy Storage Tank for Central Receiver Concentrating Solar Power Plants Open
The thermal energy storage (TES) system is a critical component in concentrated solar power (CSP) plants that increases the plant's capacity factor and economic competitiveness by reducing the levelized cost of energy (LCOE) while simultan…
View article: Integration of Concentrating Solar Power With High Temperature Electrolysis for Hydrogen Production
Integration of Concentrating Solar Power With High Temperature Electrolysis for Hydrogen Production Open
Hydrogen has been identified as a leading sustainable contender to replace fossil fuels for transportation or electricity generation, and hydrogen generated from renewable sources can be an energy carrier for a carbon-free economy. Several…
View article: High-Fidelity and High-Performance Computational Simulations for Rapid Design Optimization of Sulfur Thermal Energy Storage (CRADA Report)
High-Fidelity and High-Performance Computational Simulations for Rapid Design Optimization of Sulfur Thermal Energy Storage (CRADA Report) Open
NREL and Element 16 collaborated on sulfur thermal energy storage modeling using NREL’s high performance computing (HPC) resources to assist its application in industrial processes. Industrial process heat (IPH) accounts for ~70% of US man…
View article: Failure Analysis for Molten Salt Thermal Energy Storage Tanks for In-Service CSP Plants
Failure Analysis for Molten Salt Thermal Energy Storage Tanks for In-Service CSP Plants Open
Thermal Energy Storage (TES) is a fundamental component in concentrating solar power (CSP) plants to increase the plant's dispatchability, capacity factor, while reducing the levelized cost of electricity. In central receivers CSP plants, …
View article: One System, Many Models: Designing a Surrogate Model for Sulfur Thermal Energy Storage: Preprint
One System, Many Models: Designing a Surrogate Model for Sulfur Thermal Energy Storage: Preprint Open
Industrial process heating (IPH) relies primarily on thermal energy generated by fossil fuel combustion to produce, treat, and alter manufactured goods. Thermal energy storage (TES) helps reduce the carbon footprint of IPH systems by facil…
View article: Modelling and Optimizing CSP-PV Hybrid Systems Using the Hybrid Optimization and Performance Platform (HOPP)
Modelling and Optimizing CSP-PV Hybrid Systems Using the Hybrid Optimization and Performance Platform (HOPP) Open
The hybridization of concentrating solar power (CSP) with thermal energy storage (TES), photovoltaics (PV), and electrochemical battery energy storage systems (BESS) has the potential to provide continuous, high-capacity-factor energy prod…
View article: Modeling of Particle Thermal Energy Reservoir for Solar Industrial Process Heat (Final Technical Report)
Modeling of Particle Thermal Energy Reservoir for Solar Industrial Process Heat (Final Technical Report) Open
Industrial process heat is a leading source of carbon emissions in the United States. To achieve decarbonization goals and reduce costs, solar industrial process heat (SIPH) systems have been investigated as a means of providing a carbon-f…
View article: Modeling of Stress Distribution in Molten Salt Thermal Energy Storage Tanks for In-Service Central Receiver Power Plants
Modeling of Stress Distribution in Molten Salt Thermal Energy Storage Tanks for In-Service Central Receiver Power Plants Open
Failures in molten nitrate salts thermal energy storage tanks (TES) have been occurring in several concentrating solar power (CSP) plants around the world after a few months or years of operation. These failures are mainly related to a com…
View article: Heat Transfer Characteristics of Particle and Air Flow Through Additively Manufactured Lattice Frame Material Based on Octet-Shape Topology
Heat Transfer Characteristics of Particle and Air Flow Through Additively Manufactured Lattice Frame Material Based on Octet-Shape Topology Open
Particle-to-supercritical carbon dioxide (sCO2) heat exchanger is a critical component in next-generation concentrating solar power (CSP) plants. The inherently low heat transfer between falling particles and sCO2 imposes a challenge towar…
View article: Particle-based thermal energy storage systems
Particle-based thermal energy storage systems Open
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.
View article: Receivers for concentrating solar power generation
Receivers for concentrating solar power generation Open
A device is describe for collecting energy in electromagnetic radiation, where the device includes a first panel that includes a first height, a first end, and a second end such that a first length is defined between the first end and the …
View article: Systems and methods for direct thermal receivers using near blackbody configurations
Systems and methods for direct thermal receivers using near blackbody configurations Open
An aspect of the present disclosure is a receiver for receiving radiation from a heliostat array that includes at least one external panel configured to form an internal cavity and an open face. The open face is positioned substantially pe…
View article: Integrating Concentrating Solar Power Technologies into the Hybrid Optimization and Performance Platform (HOPP)
Integrating Concentrating Solar Power Technologies into the Hybrid Optimization and Performance Platform (HOPP) Open
As the world increases renewable energy deployment, there is an increasing interest in hybridizing various generation and storage technologies to maximize net benefit to the developer and/or off-taker. A particularly interesting combinatio…
View article: Stand-Alone and Hybrid Electric Thermal Energy Storage in the System Advisor Model
Stand-Alone and Hybrid Electric Thermal Energy Storage in the System Advisor Model Open
This project developed stand-alone electric-thermal energy storage (ETES), stand-alone pumped thermal energy storage (PTES), and hybrid molten-salt power tower (MSPT)-ETES performance and dispatch optimization techno-economic models. The m…
View article: Integrated Heat Pump Thermal Storage and Power Cycle for CSP (Final Technical Report)
Integrated Heat Pump Thermal Storage and Power Cycle for CSP (Final Technical Report) Open
Pumped thermal energy storage (PTES) is a storage system that stores electricity in thermal reservoirs. In this project, methods of integrating PTES with concentrating solar power (CSP) systems were investigated and their feasibility evalu…
View article: Preliminary Component Design and Cost Estimation of a Novel Electric-Thermal Energy Storage System Using Solid Particles
Preliminary Component Design and Cost Estimation of a Novel Electric-Thermal Energy Storage System Using Solid Particles Open
Energy storage will become indispensable to complement the uncertainty of intermittent renewable resources and to firm the electricity supply as renewable power generation becomes the mainstream new-built energy source and fossil fuel powe…
View article: CSP Gen3: Liquid-Phase Pathway to SunShot
CSP Gen3: Liquid-Phase Pathway to SunShot Open
The United States Department of Energy (DOE) established the Concentrating Solar Power Generation 3 (CSP Gen3) program to promote the development of advanced CSP systems capable of producing electricity at a levelized cost of energy (LCOE)…
View article: Analysis of a Fluidized-Bed Particle/Supercritical-CO2 Heat Exchanger in a Concentrating Solar Power System
Analysis of a Fluidized-Bed Particle/Supercritical-CO2 Heat Exchanger in a Concentrating Solar Power System Open
Concentrating solar power (CSP) development has focused on increasing the energy conversion efficiency and lowering the capital cost. To improve performance, CSP research is moving to high-temperature and high-efficiency designs. One techn…