Particle model investigation for the thermochemical steps of the sulfur–ammonia water splitting cycle

A. E. Kalyva, E. Ch Vagia, A. G. Konstandopoulos, A. R. Srinivasa, A. T-Raissi, N. Muradov, Konstantinos Kakosimos

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Solar-driven hybrid sulfur–ammonia water splitting cycle (HySA) is a promising technology for energy and environment applications. The advantage of the proposed cycle is the utilization of both solar photon and thermal radiation in a series of reaction steps from ambient temperature to less than 900 °C. It uses molten salts as reagents to control products of each step and as potential thermochemical energy storage. The use of a solar aerosol based reactor for the thermochemical steps of the cycle appears promising, therefore a particle model is required. Reliable thermodynamic data are necessary to develop an efficient conceptual particle model. Therefore, in this present study, we perform thermal analysis experiments and thermodynamic calculations for the related compounds and their reciprocal mixtures. Based on the experimental and numerical findings, we discuss the conceptual particle model according to the thermochemical steps of the hybrid sulfur–ammonia water splitting cycle.

Original languageEnglish
Pages (from-to)3621-3629
Number of pages9
JournalInternational Journal of Hydrogen Energy
Volume42
Issue number6
DOIs
Publication statusPublished - 9 Feb 2017

Fingerprint

water splitting
cycles
Thermodynamics
Water
Heat radiation
Potential energy
thermodynamics
Energy storage
Thermoanalysis
Aerosols
Molten materials
molten salts
thermal radiation
energy storage
Photons
Salts
ambient temperature
reagents
aerosols
thermal analysis

Keywords

  • Aerosol reactor
  • Particle model
  • Sulfur–ammonia cycle
  • Thermochemical steps
  • Water splitting

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Particle model investigation for the thermochemical steps of the sulfur–ammonia water splitting cycle. / Kalyva, A. E.; Vagia, E. Ch; Konstandopoulos, A. G.; Srinivasa, A. R.; T-Raissi, A.; Muradov, N.; Kakosimos, Konstantinos.

In: International Journal of Hydrogen Energy, Vol. 42, No. 6, 09.02.2017, p. 3621-3629.

Research output: Contribution to journalArticle

Kalyva, A. E. ; Vagia, E. Ch ; Konstandopoulos, A. G. ; Srinivasa, A. R. ; T-Raissi, A. ; Muradov, N. ; Kakosimos, Konstantinos. / Particle model investigation for the thermochemical steps of the sulfur–ammonia water splitting cycle. In: International Journal of Hydrogen Energy. 2017 ; Vol. 42, No. 6. pp. 3621-3629.
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