Journal ArticleDOI
Solar fuels: Status and perspectives
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In this article, the authors examine the present status and look at the perspectives of the technological progress, particularly in the high temperature thermochemical and photochemical fields with emphasis in the utilization of solar quantum and thermal photons.About:
This article is published in Solar Energy.The article was published on 1992-10-01. It has received 43 citations till now. The article focuses on the topics: Solar energy.read more
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Solar thermochemical production of hydrogen--a review
Aldo Steinfeld,Aldo Steinfeld +1 more
TL;DR: In this paper, the authors review the underlying science and describes the technological advances in the field of solar thermochemical production of hydrogen that uses concentrated solar radiation as the energy source of high-temperature process heat.
Journal ArticleDOI
Development of alternative photocatalysts to TiO2: Challenges and opportunities
TL;DR: In this article, the main achievements obtained with photocatalyst alternatives to TiO2 in the three main niches for this technology are summarized, with an historical perspective, in order to assess which of the photoactive materials are best for each particular application.
Journal ArticleDOI
The properties of hydrogen as fuel tomorrow in sustainable energy system for a cleaner planet
TL;DR: The Global energy system transition from fossil fuel to hydrogen utilization is described in this paper, and the benefits of the combustion of hydrogen are reported. And the atomic hydrogen/carbon ratio and chemical properties of hydrogen is described.
Journal ArticleDOI
Hierarchically Structured Porous Materials for Energy Conversion and Storage
TL;DR: A state-of-the-art review of the applications of hierarchically structured porous materials in energy conversion and storage is presented in this paper, where hierarchical porosity and structures have been heavily involved in newly developed energy storage and conversion systems, showing the importance of macrochannels in light related systems such as photocatalysis and photovoltaics.
Journal ArticleDOI
Solar hydrogen production via a two-step water-splitting thermochemical cycle based on Zn/ZnO redox reactions
Aldo Steinfeld,Aldo Steinfeld +1 more
TL;DR: In this article, a 2nd-law analysis performed on the closed cyclic process indicates a maximum exergy conversion efficiency of 29% (ratio of Δ G 298 K °| H 2 + 0.5 O 2 → H 2 O for the H 2 produced to the solar power input), when using a solar cavity-receiver operated at 2300 K and subjected to a solar flux concentration ratio of 5000.
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Journal ArticleDOI
Hydrogen vehicles: an evaluation of fuel storage, performance, safety, environmental impacts, and cost
TL;DR: In this paper, a comprehensive review and analysis of hydrogen in efficient passenger vehicles is presented, focusing on hydrogen production and distribution, on-board storage technology, refuelling, vehicle performance and safety, environmental impacts of hydrogen use, and life-cycle costs.
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Hydrogen technology for energy needs of human settlements
TL;DR: In the post-fossil fuel era, hydrogen is being considered as a synthetic fuel or energy carrier for the post fossil fuel era as mentioned in this paper, and it has many properties to commend itself: it compliments the nonconventional primary energy sources and presents them to the consumer in a convenient form; it is relatively inexpensive to produce; it can be converted to various energy forms at the consumer end with higher efficiencies than other fuels; and it is the lightest and cleanest fuel.
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A review of nuclear hydrogen production
TL;DR: In this paper, the most ideal application of the high temperature reactor could be the production of hydrogen from water with the aid of thermochemical methods, and nuclear energy could make an important contribution towards this goal.
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Hydrogen production from water by thermochemical cycles; a 1977 update☆
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Photoelectrochemical and photocatalytic methods of hydrogen production: A short review
TL;DR: A critical overview on photoelectrochemical and photocatalytic methods for hydrogen production by water splitting is presented in this paper, where the solar spectral irradiance and energy distribution as well as the direct water photolysis are briefly mentioned.
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