Abstract Two-step thermochemical cycles are efficient for producing H2 with solar energy, however, they face challenges with thermal losses at high temperatures needed for metal oxide reduction. This study introduces the first experimental demonstration of a...
Abstract: Within this work, reticulated monolithic foams and granules made from CaMnO3 − δ and strontium substituted variations are demonstrated to significantly improve the performance of a water splitting redox oxide when employed as a thermochemical oxygen pumping...
In solar reactors for making solar fuels at high temperatures, ceria's behavior when heated makes it state-of-the-art for unlocking the thermochemistry involved. (How solar fuels are made). But its structure lacks “intelligent design.” So a precisely controlled design...
Abstract: La and Yb were incorporated as co-doping elements into Zr-doped ceria to investigate the influence of doping ions by means of ionic radius and valence on the ceria crystal lattice and potentially on thermodynamic and kinetic properties relevant to...
Abstract: Drop-in fuels produced using solar energy can provide a viable pathway towards sustainable transportation, especially for the long-haul aviation sector which is strongly dependent on jet fuel. This study reports on the experimental testing of a solar reactor...
Adding nickel to ceria can yield solar syngas at lower temperatures - at just 700°C Solar thermochemistry researchers at the University of Florida and Synhelion tried a new way to generate syngas, the precursor to hydrocarbon fuels like jet fuel or diesel. Solar...
Abstract: Drop-in fuels produced using solar energy can provide a viable pathway towards sustainable transportation, especially for the long-haul aviation sector which is strongly dependent on jet fuel. This study reports on the experimental testing of a solar reactor...
Concentrated solar power researchers have long known that porous ceramic “volumetric” receivers can deliver very high temperatures. What a new study from Cranfield University shows is that the internal shape of the cavity impacts heat retention. After testing...
Researchers collaborating between ICV-CSIC in Spain and at the Odeillo solar furnace in France have devised a novel way to maximize thermal energy storage in Concentrated Solar Power (CSP) plants. They wanted to encapsulate the maximum amount of the molten salts used...
Nearly all the Tower-type Concentrated Solar Power (CSP) plants in operation use molten salts to transfer heat to produce electricity. This thermal form of solar energy has value because it incorporates stored thermal energy, which enables grid benefits like rolling...
ETH-Zurich, IMDEA Energy, and Synhelion have demonstrated solar syngas production in a solar tower with high efficiency and selectivity Renewable energy - for electricity - can now easily and cheaply replace fossil fuels for electricity, however producing liquid...
To lower the costs of solar fuels and thermal energy storage, concentrated solar thermal (CST) researchers are working on increasing solar thermochemistry's performance and redox cycle-ability. Researchers at Khalifa University of Science and Technology have designed...
A 3D-Printed solar receiver could solve some problems holding back a new technology: High-temperature solar receivers - for solar thermochemistry and industrial heat - can be prone to uneven heat distribution. These temperature differences create thermal stress,...
MIT's Heat-based solar hydrogen from a train of solar reactors boasts 70% heat recovery and heat-to-hydrogen from 10% to 40% In solar reactors that use solar-heated thermo-chemistry to produce hydrogen from water, heat recovery is needed to increase efficiency and,...
Abstract Solar thermochemical hydrogen production using redox-active metal oxides is a promising pathway for the production of green hydrogen and synthetic fuel precursors. Herein, the perovskite material (La0.6Sr0.4)0.95Mn0.8Ga0.2O3−δ (LSMG6482) is identified as a...
Abstract: Efficient solar-to-fuel conversion is of paramount importance to gauge the competitiveness of solar fuel production methods and technologies. Solar thermochemical cycling (STC) has tremendous potential in this regard, yet the realization of which is...
Could the Chemical Potential Analysis method work better than the van't Hoff method? NREL’s Stephan Lany proposes a new common language to help solar thermochemistry researchers select the redox materials that will most efficiently generate green hydrogen. He has...
Three and a half years after a group of undergraduate researchers at Indiana’s Valparaiso University stored heat at 1000°C, they have extracted the heat in a proof of concept demonstration of the extremely long-duration potential of the redox cycle for solar...
TOPCSP, a new doctoral network aims to be the first PhD training program to respond to the growing need for qualified CSP researchers New ways are being developed to replace the combustion of fossil fuels for industrial processes that require heat, using concentrated...
Abstract: We report on an experimental parametric study performed on a modular and fully automated solar fuel system for the solar-driven thermochemical splitting of CO2 and H2O. Concentrated solar energy is used as the source of high-temperature process heat for...
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