Published at Applied Thermal Engineering – Investigations of inlet arrangement strategies and particle parameters on thermochemical performance in falling particle solar reactors

Abstract: The reformation of methane to hydrogen and steam in a falling particle solar reactor (FPSR) is a promising method to use the solar energy, which converts solar energy into chemical energy. FPSR has higher operation temperature, higher pressure bearing capacity and more direct heat energy storage than those of traditional reactor. However, due to …

Published at Applied Thermal Engineering – Proposal of a novel solar-driven thermochemical reactor for green hydrogen production using helical flow channels

Abstract: The reactor is the core component of the hydrogen production system. Although hydrogen production using solar energy as the heat source can effectively reduce carbon emissions, the reactor faces the problem of uneven heating caused by the collector, and the uneven temperature distribution will significantly affect the hydrogen production process. A key characteristic of …

Dr. Aldo Steinfeld and Dr. Manuel Romero win the 2024 SolarPACES Lifetime Achievement Award

Manuel Romero and Aldo Steinfeld receive the SolarPACES Lifetime Achievement Award from Robert Pitz-Paal On the closing day of the SolarPACES 2024 conference in Rome, Aldo Steinfeld and Manuel Romero were jointly awarded the Lifetime Achievement Award, in recognition of their over 20 years collaboration in pioneering and developing the use of concentrated solar thermal …

Hot solar hydrogen reactors on a conveyor belt get a fast study

Heat from solar for a hydrogen production system working like a conveyor belt 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, thus, lower …

El Gobierno aprueba el PNIEC antes de la marcha de Teresa Ribera a Bruselas

El Consejo de Ministros ha aprobado este martes el Plan Nacional Integrado de Energía y Clima (PNIEC), lo que reafirma el compromiso de España con el hidrógeno verde y las energías limpias para el proceso de descarbonización. El plan fija un objetivo de 12 gigavatios (GW) de electrolizadores para producir hidrógeno verde, y mantiene la …

Published at Environmental Science and Technology – Solar-Powered Direct Air Capture: Techno-Economic and Environmental Assessment

Abstract Direct air capture (DAC) of CO2 has gained attention as a sustainable carbon source. One of the most promising technologies currently available is liquid solvent DAC (L-DAC), but the significant fraction of fossil CO2 in the output stream hinders its utilization in carbon-neutral fuels and chemicals. Fossil CO2 is generated and captured during the …

Published at Nature – Automatic heliostat learning for in situ concentrating solar power plant metrology with differentiable ray tracing

Abstract Concentrating solar power plants are a clean energy source capable of competitive electricity generation even during night time, as well as the production of carbon-neutral fuels, offering a complementary role alongside photovoltaic plants. In these power plants, thousands of mirrors (heliostats) redirect sunlight onto a receiver, potentially generating temperatures exceeding 1000°C. Practically, such efficient …

Synhelion opportunity for working students in solar fuels

We’re hiring dedicated and dynamic working students to join our awesome team in Jülich/Cologne: ◾ Working student heliostat field (f/m/d) 37-50% ◾ Working student hydrogen production (f/m/d) 37-50% 👉 Learn more and apply now at synhelion.com/careers and be a part of our mission to create a sustainable future!   The post Synhelion opportunity for working …

Published at the Journal of Physical Chemistry – Solar Thermochemical Redox Cycling Using Ga- and Al-Doped LSM Perovskites for Renewable Hydrogen Production

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 promising metal oxide for thermochemical water splitting. LSMG6482, along with more-established water splitters ceria and (La0.6Sr0.4)0.95MnxAl1–xO3−δ (LSMA) perovskites, is experimentally characterized via …

100-hour thermal energy storage in sand begins NREL demo

NREL ETES long-duration thermal energy storage – IMAGE ©NREL Four years ago, researchers at the National Renewable Energy Laboratory (NREL) won Department of Energy (DOE) ARPA-E funding to invent a new long-duration thermal energy storage technology able to discharge heat or power for 100 hours. The goal was to devise long-duration storage with a storage …