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...
Results for "solar reactors"
Hot solar hydrogen reactors on a conveyor belt get a fast study
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,...
DOE Wants your Input on Receivers and Reactors for Concentrating Solar-Thermal Technologies
Solar Energy Technologies Office The U.S. Department of Energy (DOE) Solar Energy Technologies Office (SETO) issued a request for information (RFI) to better understand technology development needs and commercialization opportunities for receivers and reactors used in...
Solar fuels efficiency increase from MIT – use multiple reactors
The system as a whole resembles a train of box-shaped reactors running on a circular track. In practice, this track would be set around the solar thermal source. MIT engineers aim to produce totally green, carbon-free hydrogen fuel with a new, train-like system of...
Published at Next Energy – Direct solar-driven thermochemical CO2-to-fuel conversion with efficiency over 39 % employing hierarchical triply periodic minimal surfaces biomimetic foam reactors
Abstract: Solar-driven CO2 reforming of CH4 is considered a promising approach for achieving CO2 emission reduction and clean energy utilization simultaneously. However, reactors suffer from uneven temperature distribution and severe carbon deposition, leading to low...
Published at Applied Catalysis – Structured sulphur trioxide splitting catalytic systems and allothermally-heated reactors for the implementation of Sulphur-based thermochemical cycles via a centrifugal solar particle receiver
Abstract: Catalytic sulphur trioxide splitting is the highest-temperature (850–900 °C), endothermic step of several sulphur-based thermochemical cycles targeted to production of hydrogen or solid sulphur. The demonstrated capability of centrifugal particle solar...
Published at Solar Compass – A critical perspective and analysis of two-step thermochemical fuel production cycles
Abstract: Two-step thermochemical fuel production cycles powered using concentrating solar systems offer a route to convert solar energy to chemical fuels. In this work, we offer a critical assessment of the state of the art, a detailed technical analysis of this...
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...
Published at Energy Conversion and Management – Thermodynamic evaluation of nonstoichiometric oxides for efficient and practical solar thermochemical hydrogen production
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...
A new common language to speed solar hydrogen research
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...
Researchers process wet waste with solar heat onsite in a mobile tanker truck
A team of solar researchers in Greece is contributing to the development of a technology to produce bio-crude from mixed wet waste processed onsite in a mobile solar-heated reaction chamber. They have innovated the use of concentrated solar thermal (CST) energy to...
DOE’s $30 million funding to advance solar fuels from concentrated solar
Solar Energy Technologies Office The U.S. Department of Energy (DOE) Solar Energy Technologies Office (SETO) announced its intent to fund the Concentrating Solar Flux to Heat and Power funding opportunity, which will award up to $30 million for innovative projects...
Published at Applied Energy – A review of solar thermochemical cycles for fuel production
Abstract: Solar-driven CO2/H2O splitting via a two-step solar thermochemical cycle is a promising approach for fuel production and carbon neutrality to address the intermittent instability and low energy density of solar energy while taking advantage of its clean and...
Work in Concentrated Solar Research and Development
February 2024 (All offers in first week) CALL FOR THE HIRING OF A PROJECT MANAGER JUNIOR FOR EU-SOLARIS ERIC The offered position will be mainly concerned with the management of the Central Hub but also is expected to give managerial & technical support in the...
DLR Research Position: Recycling potential of production units for solar fuels
PhD process engineering, chemical engineering, environmental engineering or similar (f/m/x) Starting date immediately Duration of contract 3 years Remuneration up to German TVöD 13 Type of employment Part-time The vision of the DLR Institute for Future Fuels is to...
A solar sulphur cycle to make unlimited thermal energy storage
How a breakthrough solar thermochemistry process that uses direct solar heat to cycle between sulphur and sulphuric acid would generate "virtually unlimited" seasonal thermal energy storage Researchers are now refining a groundbreaking long-duration thermal energy...
Published at International journal of Hydrogen Energy – H2 producing hybrid solar thermochemical ZnSO4/ZnO water splitting cycle: Thermodynamic efficiency analysis
Abstract: This investigation reports the thermodynamic efficiency analysis of a hybrid ZnSO4/ZnO water-splitting cycle. The data required for efficiency calculations are gathered from HSC Chemistry Software. The prime goal is to examine the effects of the thermal...
Published at Journal of Energy Storage – Human ear inspired solar thermochemical reactor for steam methane reforming with the consideration of minimum Gibbs free energy principle
Abstract The non-uniformity temperature field of direct solar thermochemical reactors severely decreases the energy conversion efficiency of solar-to-fuel. Inspired by the physical mechanism by which the human ear can collect more sound waves, associating the...
3D-printed ceria is a game-changer to increase solar fuel efficiency
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...
How solar fuels work: Concentrated solar and thermochemistry
Solar fuels are made using thermochemistry driven by direct heat from the sun In this process, solar thermal energy provides the heat for thermochemical reactions to produce new compounds such as green hydrogen or sustainable aviation fuel. Highly concentrated solar...
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