Effects of CuO/Al2O3/Water-WO3 nanomaterials on NETZERO energy/emission-based hydrogen generation

T. Sathish, R. Saravanan, T. Vijay Muni, G. A. Sivasankar, J. Prem Kumar, M. Rajasimman, Yasser Vasseghian, Y. K. Park

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Net Zero Emission/Energy can be utilized by using solar energy in parabolic through collector (PTC), having an effective design process and the good option of adjustable operating settings are both extremely important factors. The Ranking cycle is used to produce hydrogen. In this comparative study, the power output and hydrogen generation of a parabolic trough solar collector integrated independently with a Rankine cycle and an electrolyzer are examined. Within the scope of this investigation, hydrogen was generated by employing a Solid Oxide Electrolyzer Cell (SOEC) with three distinct nanofluids being introduced to the base fluid. In this experiment, the nanomaterials of CuO, Al2O3, and WO3 were utilized to prepare nanofluids with a low concentration of 0.02 wt% with water (Base fluid). Because of this, the absorber containing CuO nanomaterials has a thermal efficiency of approximately 79% and an exergy efficiency of approximately 7.2%. When compared to absorbers containing other nanomaterials, the one with CuO nanomaterials demonstrated the highest thermal efficiency for heat gain. The thermal efficiencies of utilizing Al2O3 and Water-WO3 nanomaterials were approximately 72% and 68%, respectively and the exergy efficiency was about 6.8% and 6.1% respectively. Because of this, the absorber containing the CuO nanomaterials improved the hydrogen generation and rate of transfer of heat.

Original languageEnglish
Article number127938
StatePublished - 1 Jul 2023


  • Exergy
  • Hydrogen Generation
  • Nanomaterials
  • Parabolic Through Collector
  • Rankine cycle
  • Solid Oxide Electrolyzer Cell


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