.... Reproduced from Bredelberger et al. [ 12 ]. MW scale vision of an R2Mx reactor design. Reproduced from Bredelberger et al. [12]. Solar fuels such as hydrogen, syngas, and drop-in fuels offer a sustainable alternative to fossil fuels...

... of process heat or hydrogen. We designed and fabricated a 4-kW solar rotary drum reactor to carry out the solar-driven charging step of solar thermochemical storage via metal oxide reduction–oxidation cycles. During the summer of 2019, the solar reactor was operated in the Valparaiso University solar furnace...

...Dylan C. McCord; Elizabeth J. Gager; Kangjae Lee; Anthony H. McDaniel; Juan C. Nino; Jonathan R. Scheffe Synthesis of solar thermochemical hydrogen (STCH) production redox materials with engineered structures, for example, replica foams, can enable efficient heat and mass transport and are critical...

... hydrogen solar reactor thermodynamics National Science Foundation of China 10.13039/100000001 51736006 Hydrogen and carbon monoxide are clean and carbon-neutral alternative fuels that can be produced from renewable energy sources such as solar energy. There are three main paths...

...Abdelhamid Mraoui; Abdallah Khellaf In this work, the design of a hydrogen production system was optimized for Algiers in Algeria. The system produces hydrogen by electrolysis using a photovoltaic (PV) generator as a source of electricity. All the elements of the system have been modeled to take...

...Haris Ishaq; Osamah Siddiqui; Ibrahim Dincer A new energy system for power, hydrogen and fresh water production is proposed. The environmentally benign ocean thermal energy conversion (OTEC), wind and solar energy resources are utilized. The hybrid thermochemical CuCl cycle is used for hydrogen...

...Yamina Boualati; Salah Saouli This paper presents an experimental study of solar hydrogen production via electrolysis of water (conversion of solar energy into chemical energy), and thus, a direct link between the electrolyser (Hoffman voltammeter) and two photovoltaic panels should be present...

... NCLUDING W IND E NERGY AND B UILDING E NERGY C ONSERVATION . Manuscript received June 1, 2015; final manuscript received October 24, 2016; published online November 10, 2016. Assoc. Editor: Philippe Blanc. 01 06 2015 24 10 2016 Clean energy Efficiency Energy Hydrogen Hydrogen...

...Eric R. Morgan; Thomas L. Acker A methanol synthesis unit (MSU) that directly converts carbon dioxide and hydrogen into methanol and water was developed and tested. The MSU consists of: a high-pressure side that includes a compressor, a reactor, and a throttling valve; and a low-pressure side...

... was employed in order to produce syngas and hydrogen alternately. For this purpose, ZrO 2 -supported CeO 2 particles which were coated on a SiC foam disk was used as a medium to perform cyclic operation of methane reforming and water splitting. Proper controlling of the methane reforming time is important...

... 0.7% of the U.S. land area, a roughly two orders of magnitude improvement over mature biofuel approaches. In addition, the packed bed reactor design is flexible and can be adapted to new, better performing reactive materials. solar fuels thermochemical hydrogen carbon dioxide synthesis gas...

... power and finally a prototype for an entire single-family household. It is shown that the methanol-to-electricity efficiency of the entire system is above 50%. biomass chemistry collector efficiency energy exergy fluid flow fuel hydrogen renewable solar reactor system thermal power...

... photovoltaic modules and energy back up is provided through a combination of polymer electrolyte membrane (PEM) electrolyser and fuel cell system. Excess energy, after meeting the requirements of greenhouse during peak sunshine hours, is supplied to an electrolyser bank to generate hydrogen gas, which...

...Sylvain Rodat; Stéphane Abanades; Gilles Flamant Solar methane decarbonization is an attractive pathway for a transition toward an hydrogen-based economy. In the frame of the European SOLHYCARB project, it was proposed to investigate this solar process extensively. At CNRS-PROMES, two indirect...

... hydrogen gas in the vacuum annulus that surrounds the steel receiver tube, thus compromising the thermal insulation of the receiver. The hydrogen gas is formed during the thermal decomposition of the organic HTF that circulates inside the receiver loop, and the installation of hydrogen getters inside...

... of ferrite reactant materials in close proximity and moving in opposite directions to overcome a major impediment to achieving high efficiency—thermal recuperation between solids in efficient countercurrent arrangements. They also provide an inherent separation of the product hydrogen and oxygen...

.... , Flamant , G. , and Neveu , P. , 2006 , “ Screening of Water-Splitting Thermochemical Cycles Potentially Attractive for Hydrogen Production by Concentrated Solar Energy ,” Energy 0360-5442 10.1016/j.energy.2005.11.002 , 31 ( 14 ), pp. 2805 – 2822 . Steinfeld , A. , 2005 , “ Solar...

... commercial plant. Zinc can be used as a fuel for zinc-air batteries and fuel cells, or it can be reacted with water to form high-purity hydrogen. In either case, the chemical product is ZnO, which in turn is solar recycled to zinc. The proposed thermochemical process provides an energy efficient route...

...Remo Felder; Anton Meier A well-to-wheel analysis is conducted for solar hydrogen production, transport, and usage in future passenger car transportation. Solar hydrogen production methods and selected conventional production technologies are examined using a life cycle assessment. Utilization...

... solar thermal water splitting aerosol hydrogen zinc oxide As gas prices and global temperatures rise, a strong case can be made for an economy built on clean hydrogen fuels. The Zn ∕ ZnO solar thermochemical cycle provides a clean, sustainable alternative to fossil-fuel-based...