Thermochemical and Thermal/Photo Hybrid Solar Water Splitting

Licht, Stuart

doi:10.1007/978-0-387-72810-0_5

Cited by 10 publications

(5 citation statements)

References 82 publications

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“…Another method is also explored wherein the solar energy is used for thermochemical splitting of water. It is thus seen that it is possible to produce hydrogen sustainably in the future at a low cost using the solar energy, but more research is required in this regard (Licht, 2008).…”

Section: Electrolysis Of Watermentioning

confidence: 99%

Moving ahead from hydrogen to methanol economy: scope and challenges

Sonthalia

Kumar

Tomar

et al. 2021

Clean Techn Environ Policy

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Energy is the driver in the economic development of any country. It is expected that the developing countries like India will account for 25% hike in world-wide energy demand by 2040 due to the increase in the per capita income and rapid industrialization. Most of the developing countries do not have sufficient oil reserves and imports nearly all of their crude oil requirement. The perturbations in the crude oil price, sanctions on Iran and adverse environmental impacts from fossil fuel usage are some of the concern. Therefore, developing countries have started investing heavily in solar and wind power and are considering hydrogen as a future energy resource. Hydrogen is possibly the cleanest fuel and produces only water vapour upon combustion. However, to tap the potential of hydrogen as a fuel, an entirely new infrastructure will be needed for transporting, storing and dispensing it safely, which would be expensive. In the transportation sector, a liquid alternate to fossil fuels will be highly desirable as the existing infrastructure can be used with minor modifications. Amongst the possible liquid fuels, methanol is very promising. Methanol is a single carbon atom compound and can be produced from wide variety of sources such as natural gas, coal, and biomass. The properties of methanol are conducive for use in gasoline engines since it has high octane number and flame speed. Other possible uses of methanol are: as a cooking fuel in rural areas, and as a fuel for running the fuel cells. The present study reviews the limitations in the hydrogen economy and why moving towards methanol economy is more beneficial.

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Section: Electrolysis Of Watermentioning

confidence: 99%

Moving ahead from hydrogen to methanol economy: scope and challenges

Sonthalia

Kumar

Tomar

et al. 2021

Clean Techn Environ Policy

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“…The rise of renewable energy sources (photovoltaic, wind, hydrogen or biomass based: see [6,7,15,21]), which aim at replacing CO 2 emissions by clean electrical power, together with the current scarcity of related charge/recharge infrastructures, have been motivating during the last decades an interest from O.R. researchers to green issues.…”

Section: Introductionmentioning

confidence: 99%

“…While most H 2 production is usually performed through power costly electrolysis processes, we assume here that it relies on solar power and photolysis (see [7,15]), which involve a marginal amount of external electric power but also make the productivity of the process deeply dependent on the intensity of solar illumination. In [21], one may find a review about both existing and prospective ways to generate hydrogen from sunlight and water. While Solar Hydrogen currently remains an uncertain goal, at least from a cost perspective, the scientific principles behind its generation are well understood: Solar Hydrogen is the largest renewable carbon-free resource among the other renewable energy options, and it may be produced in an almost fully autonomous way.…”

Section: Introductionmentioning

confidence: 99%

Synchronizing energy production and vehicle routing

et al. 2021

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The emergence of locally produced renewable energies induces the appearance of a new generation of local energy players, which are at the same time producers and consumers. In case of time dependent solar energy production, it raises the question of synchronizing production and consumption. We deal here with this issue, in the context of an experimental Solar Hydrogen (H 2 ) production platform. More precisely, we try here to simultaneously schedule a H 2 fueled vehicle which follows a pre-computed route while being compelled to periodically refuel, and the H 2 production micro-plant which is required to produce related energy under time dependent production costs and productivity rates, both processes being subject to storage capacity constraints. In order to do it, we design a global dynamic programming (DP) algorithm for the resulting NP-Hard problem. This DP algorithm involves a 2D time space which links energy consumption by the vehicle and its production by the micro-plant. Since the number of states induced by this DP algorithm becomes an issue as soon as the size of the problem increases, we first propose a theoretical Polynomial Time Approximation Scheme (PTAS), next design several practical pruning devices and finally perform numerical tests in order to check their efficiency.

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“…Hydrogen is considered to be the fuel of the future, and means to generate it by water splitting and its storage have been pursued for many years. Different strategies for utilizing the entire solar irradiation spectrum for the production of fuel, including electrical, thermal, and photochemical effects, have been presented …”

mentioning

confidence: 99%

“…Different strategies for utilizing the entire solar irradiation spectrum for the production of fuel, including electrical, thermal, and photochemical effects, have been presented. 86 Over the past decade intense efforts to harness the electrochemical hydrogen evolution reaction (HER) were undertaken. The platinum electrode exhibits the lowest overvoltage (−0.04 V for current of 10 A cm −2 in 0.5 (M) H 2 SO 4 and a Tafel slope of 30 mV).…”

mentioning

confidence: 99%

Nanotubes from Two-Dimensional Materials in Contemporary Energy Research: Historical and Perspective Outlook

2020

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The global impact of carbonaceous emissions from the internal combustion engine has stimulated efforts to mitigate global warming and deterioration of the environment. Inorganic layered compounds (two-dimensional (2D) materials), like MoS 2 , TiS 2 , and CoO 2 , played a major role in the development of new energy technologies, which can one day replace fossil fuel in the transport industry as well as in other energy-consuming sectors. In this Focus Review, first, the history of various concepts explored in energyrelated research using bulk layered compounds (2D materials) is briefly reviewed. The recent addition of 2D nanostructures in energy conversion and storage has added significant momentum to this research field. In particular, this Focus Review places a great emphasis on the study of inorganic nanotubes from 2D materials and to some extent also on the atomically thin single-layer solids, which apparently surpass the performance of other respective allotropes in the pursuit of their use in energy storage and conversion.

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Thermochemical and Thermal/Photo Hybrid Solar Water Splitting

Cited by 10 publications

References 82 publications

Moving ahead from hydrogen to methanol economy: scope and challenges

Moving ahead from hydrogen to methanol economy: scope and challenges

Synchronizing energy production and vehicle routing

Nanotubes from Two-Dimensional Materials in Contemporary Energy Research: Historical and Perspective Outlook

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