Solar thermochemical reactors

1999 ◽  
Vol 09 (PR3) ◽  
pp. Pr3-253-Pr3-258 ◽  
Author(s):  
J. Lédé ◽  
M. Ferrer
Keyword(s):  
Solar Thermochemical

MULTISCALE THERMAL TRANSPORT IN SOLAR THERMOCHEMICAL ENERGY STORAGE SYSTEMS

2018 ◽  
Author(s):  
Like Li ◽  
Kelvin Randhir ◽  
James F. Klausner ◽  
Ren-Wei Mei ◽  
Nick AuYeung
Keyword(s):  
Energy Storage ◽  
Thermal Transport ◽  
Storage Systems ◽  
Energy Storage Systems ◽  
Solar Thermochemical

Improving the performance of calcium looping for solar thermochemical energy storage and CO2 capture

Fuel ◽  
2021 ◽  
Vol 298 ◽  
pp. 120791
Author(s):  
Francesca Di Lauro ◽  
Claudio Tregambi ◽  
Fabio Montagnaro ◽  
Piero Salatino ◽  
Riccardo Chirone ◽  
...  
Keyword(s):  
Energy Storage ◽  
Co2 Capture ◽  
Calcium Looping ◽  
Solar Thermochemical

scholarly journals Solar Thermochemical Hydrogen Production in the USA

2021 ◽  
Vol 13 (14) ◽  
pp. 7804
Author(s):  
Christoph Falter ◽  
Andreas Sizmann
Keyword(s):  
Hydrogen Production ◽  
Large Scale ◽  
Low Cost ◽  
The United States ◽  
Solar Irradiation ◽  
Transport Sector ◽  
Fossil Energy ◽  
The Us ◽  
The Usa ◽  
Solar Thermochemical

Hydrogen produced from renewable energy has the potential to decarbonize parts of the transport sector and many other industries. For a sustainable replacement of fossil energy carriers, both the environmental and economic performance of its production are important. Here, the solar thermochemical hydrogen pathway is characterized with a techno-economic and life-cycle analysis. Assuming a further increase of conversion efficiency and a reduction of investment costs, it is found that hydrogen can be produced in the United States of America at costs of 2.1–3.2 EUR/kg (2.4–3.6 USD/kg) at specific greenhouse gas emissions of 1.4 kg CO2-eq/kg. A geographical potential analysis shows that a maximum of 8.4 × 1011 kg per year can be produced, which corresponds to about twelve times the current global and about 80 times the current US hydrogen production. The best locations are found in the Southwest of the US, which have a high solar irradiation and short distances to the sea, which is beneficial for access to desalinated water. Unlike for petrochemical products, the transport of hydrogen could potentially present an obstacle in terms of cost and emissions under unfavorable circumstances. Given a large-scale deployment, low-cost transport seems, however, feasible.

Investigation of Bao2/bao Redox Oxides for Solar Thermochemical Energy Storage

2021 ◽  
Author(s):  
Nick Auyeung ◽  
Fuqiong Lei ◽  
Alexander Dyall
Keyword(s):  
Energy Storage ◽  
Solar Thermochemical

Moving Brick Receiver–Reactor: A Solar Thermochemical Reactor and Process Design With a Solid–Solid Heat Exchanger and On-Demand Production of Hydrogen and/or Carbon Monoxide

2019 ◽  
Vol 141 (2) ◽  
Author(s):  
Silvan Siegrist ◽  
Henrik von Storch ◽  
Martin Roeb ◽  
Christian Sattler
Keyword(s):  
Carbon Monoxide ◽  
Heat Exchanger ◽  
Solid Phase ◽  
Chemical Conversion ◽  
Operating Conditions ◽  
On Demand ◽  
Commercial Plant ◽  
Production Of Hydrogen ◽  
Solar Thermochemical ◽  
Oxidation Reactor

Three crucial aspects still to be overcome to achieve commercial competitiveness of the solar thermochemical production of hydrogen and carbon monoxide are recuperating the heat from the solid phase, achieving continuous or on-demand production beyond the hours of sunshine, and scaling to commercial plant sizes. To tackle all three aspects, we propose a moving brick receiver–reactor (MBR2) design with a solid–solid heat exchanger. The MBR2 consists of porous bricks that are reversibly mounted on a high temperature transport mechanism, a receiver–reactor where the bricks are reduced by passing through the concentrated solar radiation, a solid–solid heat exchanger under partial vacuum in which the reduced bricks transfer heat to the oxidized bricks, a first storage for the reduced bricks, an oxidation reactor, and a second storage for the oxidized bricks. The bricks may be made of any nonvolatile redox material suitable for a thermochemical two-step (TS) water splitting (WS) or carbon dioxide splitting (CDS) cycle. A first thermodynamic analysis shows that the MBR2 may be able to achieve solar-to-chemical conversion efficiencies of approximately 0.25. Additionally, we identify the desired operating conditions and show that the heat exchanger efficiency has to be higher than the fraction of recombination in order to increase the conversion efficiency.

scholarly journals Thermodynamics of paired charge-compensating doped ceria with superior redox performance for solar thermochemical splitting of H2O and CO2

2017 ◽  
Vol 5 (36) ◽  
pp. 19476-19484 ◽  
Author(s):  
Marie Hoes ◽  
Christopher L. Muhich ◽  
Roger Jacot ◽  
Greta R. Patzke ◽  
Aldo Steinfeld
Keyword(s):  
Doped Ceria ◽  
Oxidation Properties ◽  
Reduction And Oxidation ◽  
Solar Thermochemical

Paired charge-compensating doped ceria has great potential for solar thermochemical splitting of H2O and CO2 because of its balanced reduction and oxidation properties.

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