CeO2 supported multimetallic nano materials as an efficient catalyst for hydrogen generation from the hydrolysis of NaBH4

Mehmet Sait İzgi*, Orhan Baytar, Ömer Şahin, Hilal Çelik Kazıcı

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

53 Citations (Scopus)

Abstract

Nowadays, there is still no suitable method to store large amounts of energy. Hydrogen can be stored physically in carbon nanotubes or chemically in the form of hydride. In this study, sodium borohydride (NaBH4) was used as the source of hydrogen. However, an inexpensive and useful catalyst (Co–Cr–B/CeO2) was synthesized using the NaBH4 reduction method and its property was characterized by x-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), x-ray photoelectron spectroscopy (XPS) and Brunauer–Emmett–Teller (BET) measurements. The optimized Co–Cr–B/CeO2 catalyst exhibited an excellent hydrogen generation rate (9182 mLgmetal−1min−1) and low activation energy (35.52 kJ mol−1). The strong catalytic performance of the Co–Cr–B/CeO2 catalyst is thought to be based on the synergistic effect between multimetallic nanoparticles and the effective charge transfer interactions between the metal and the support material.

Original languageEnglish
Pages (from-to)34857-34866
Number of pages10
JournalInternational Journal of Hydrogen Energy
Volume45
Issue number60
DOIs
Publication statusPublished - 9 Dec 2020
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2020 Hydrogen Energy Publications LLC

Keywords

  • Hydrogen generation
  • Hydrolysis
  • Sodium borohydride
  • Support material

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