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A review of the use of Rankine cycle systems for hydrogen production
Urška Novosel, Jurij Avsec, 2020, original scientific article

Abstract: The vast majority of steam power plants in the world are based on the Rankine cycle. It is a wellknown, trustworthy process that uses water or water vapour as a working medium, which supplies heat from various primary energy sources: fossil fuels, renewable energy sources (solar energy, energy from wood biomass, etc.) or a combination of both. With the Rankine cycle, energy sources other than electricity can be produced, which can be used as the primary energy source for various applications. The present article focuses on the production of hydrogen in addition to electricity; therefore, two energy sources are obtained from the same system with a few modifications of the existing power plant for further exploitation. There are several processes for hydrogen production using the Rankine cycle; in the present article, two processes are focused on: using part of the electricity produced and obtaining hydrogen by electrolysis of water or using part of high quality steam (basically heat energy) in combination with electricity and obtaining hydrogen by a thermochemical copper-chlorine process. Each of these processes has its advantages and disadvantages, which are presented in the present article with an example model of a power plant.
Keywords: Rankine cycle, hydrogen production, electrolysis, thermochemical process
Published in DKUM: 01.12.2023; Views: 331; Downloads: 3
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Multi-purpose use and lifecycle analysis of solar panels
Dušan Strušnik, Urška Novosel, Jurij Avsec, 2020, original scientific article

Abstract: The combined use of renewable energy technologies and alternative energy technologies is a promising approach to reduce global warming effects throughout the world. In this paper, the solar panel is used in combination with a heat pump or with biomass sources to obtain heat, electricity, and hydrogen. Based on the Rankine thermodynamic cycle, hydrogen could be obtained from water with electrolysis and the CuCl thermochemical cycle. Furthermore, this study contains a life cycle analysis of solar panels.
Keywords: heat pump, life cycle analysis, Rankine cycle, solar panel, thermochemical cycle
Published in DKUM: 01.12.2023; Views: 265; Downloads: 3
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Hydrogen technologies in connection with nuclear power plant
Jurij Avsec, 2010, published scientific conference contribution

Keywords: hydrogen production, hydrogen consumption, Cu-Cl cycle, S-I cycle, thermochemical cycles, steam methane reforming
Published in DKUM: 05.06.2012; Views: 2674; Downloads: 37
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Recent Canadian advances in nuclear-based hydrogen production and the thermochemical Cu-Cl cycle
Greg F. Naterer, S. Suppiah, M. Lewis, K. Gabriel, İbrahim Dinçer, Marc A. Rosen, Michael Fowler, G. Rizvi, E. B. Easton, B. M. Ikeda, M. H. Kaye, L. Lu, I. Pioro, P. Spekkens, P. Tremaine, J. Mostaghimi, Jurij Avsec, J. Jiang, 2009, original scientific article

Abstract: This paper presents recent Canadian advances in nuclear-based production of hydrogen by electrolysis and the thermochemical copper-chlorine (Cu-Cl) cycle. This includes individual process and reactor developments within the Cu-Cl cycle, thermochemical properties, advanced materials, controls, safety, reliability, economic analysis of electrolysis at off-peak hours, and integrating hydrogen plants with Canada's nuclear power plants. These enabling technologies are being developed by a Canadian consortium, as part of the Generation IV International Forum (GIF) for hydrogen production from the next generation of nuclear reactors.
Keywords: nuclear-based hydrogen production, thermochemical copper-chlorine cycle, electrolysis
Published in DKUM: 31.05.2012; Views: 1943; Downloads: 97
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