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Catalytic performance of carbon nanotubes supported palladium catalyst for hydrogen production from hydrogen iodide decomposition in thermochemical sulfur iodine cycle

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  • Singhania, Amit
  • Bhaskarwar, Ashok N.

Abstract

The current work presents the synthesis of carbon nanotubes supported palladium catalyst for hydrogen production from hydrogen-iodide decomposition in thermochemical water-splitting sulfur-iodine (SI) cycle. XRD results showed that the Pd nanoparticles were highly dispersed on the CNT support. Raman results showed that Pd(3%) possessed the highest quantity of defects than other loaded Pd samples and CNT support. The order of catalytic activity for hydrogen-iodide decomposition is: Pd(3%)/CNT > Pd(5%)/CNT > Pd(1%)/CNT > CNT. This is due to high degree of defects present in Pd(3%)/CNT as compared to others. Pd(3%)/CNT also showed an excellent stability of 100 h for the reaction. The post-characterizations (BET, ICP-AES, XRD and TEM) of spent-Pd(3%)/CNT after 100 h were carried out in order to find out the changes in the specific surface area, elemental analysis, structure and particle size. No changes were observed in the specific surface area, elemental analysis, particle size, and structure of the spent catalyst as compared to the fresh one. This shows the Pd/CNT has a lot of potential of generating hydrogen in the thermochemical SI cycle.

Suggested Citation

  • Singhania, Amit & Bhaskarwar, Ashok N., 2018. "Catalytic performance of carbon nanotubes supported palladium catalyst for hydrogen production from hydrogen iodide decomposition in thermochemical sulfur iodine cycle," Renewable Energy, Elsevier, vol. 127(C), pages 509-513.
    • Handle: RePEc:eee:renene:v:127:y:2018:i:c:p:509-513
    DOI: 10.1016/j.renene.2018.05.017
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    Cited by:

    1. Mohsen Fallah Vostakola & Babak Salamatinia & Bahman Amini Horri, 2022. "A Review on Recent Progress in the Integrated Green Hydrogen Production Processes," Energies, MDPI, vol. 15(3), pages 1-41, February.

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