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Efficiency analysis for a manganese-oxide-based thermochemical cycle

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  • Sturzenegger, M
  • Nüesch, P

Abstract

A thermochemical cycle for the solar production of hydrogen is proposed. The cycle includes: (1) the conversion of solar to chemical energy by the thermal reduction of manganese(III) oxide to manganese(II) oxide at temperatures below 1900K, (2) the production of hydrogen by reacting manganese(II) oxide with sodium hydroxide, and (3) the separation of manganese oxide from sodium hydroxide by a hydrolysis reaction. The maximum exergy efficiency of the cycle was calculated to be 74%. Efficiencies of up to 50% were calculated when only partial heat recovery in the solar step was considered. Eventually, the introduction of conventional techniques for particular unit operations yielded efficiencies between 16 and 22%.

Suggested Citation

  • Sturzenegger, M & Nüesch, P, 1999. "Efficiency analysis for a manganese-oxide-based thermochemical cycle," Energy, Elsevier, vol. 24(11), pages 959-970.
    • Handle: RePEc:eee:energy:v:24:y:1999:i:11:p:959-970
    DOI: 10.1016/S0360-5442(99)00049-3
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    Cited by:

    1. Domac, Ilker & Martinez Peria, Maria Soledad, 2003. "Banking crises and exchange rate regimes: is there a link?," Journal of International Economics, Elsevier, vol. 61(1), pages 41-72, October.
    2. Yabibal Getahun Dessie & Bachirou Guene Lougou & Hong Qi & Heping Tan & Juqi Zhang & Baohai Gao & Md Arafat Islam, 2020. "Reactor Design and Thermal Performance Analysis for Solar Thermal Energy Storage Application," Energies, MDPI, vol. 13(12), pages 1-20, June.
    3. Yabibal Getahun Dessie & Bachirou Guene Lougou & Qi Hong & Tan Heping & Zhang Juqi & Gao Baohai & Islam Md Arafat, 2020. "Thermal Performance Analysis of a Solar Reactor Designed for Syngas Production," Energies, MDPI, vol. 13(13), pages 1-20, July.
    4. Fan, Mei-qiang & Sun, Li-xian & Xu, Fen, 2010. "Feasibility study of hydrogen production for micro fuel cell from activated Al–In mixture in water," Energy, Elsevier, vol. 35(3), pages 1333-1337.
    5. Abanades, Stéphane & Charvin, Patrice & Flamant, Gilles & Neveu, Pierre, 2006. "Screening of water-splitting thermochemical cycles potentially attractive for hydrogen production by concentrated solar energy," Energy, Elsevier, vol. 31(14), pages 2805-2822.
    6. Sheline, W. & Matthews, L. & Lindeke, N. & Duncan, S. & Palumbo, R., 2013. "An exploratory study of the solar thermal electrolytic production of Mg from MgO," Energy, Elsevier, vol. 51(C), pages 163-170.
    7. Fan, Mei–qiang & Sun, Li–xian & Xu, Fen, 2010. "Experiment assessment of hydrogen production from activated aluminum alloys in portable generator for fuel cell applications," Energy, Elsevier, vol. 35(7), pages 2922-2926.
    8. Michalsky, Ronald & Parman, Bryon J. & Amanor-Boadu, Vincent & Pfromm, Peter H., 2012. "Solar thermochemical production of ammonia from water, air and sunlight: Thermodynamic and economic analyses," Energy, Elsevier, vol. 42(1), pages 251-260.

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