Electrospun Carbon Nanofibers Derived from Polyvinyl Alcohol Embedded with Bimetallic Nickle-Chromium Nanoparticles for Sodium Borohydride Dehydrogenation
2024

Bimetallic Nickel-Chromium Nanoparticles on Carbon Nanofibers for Hydrogen Production

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Author Information

Author(s): Yousef Ayman, Maafa Ibrahim M., Abutaleb Ahmed, Matar Saleh M., Alamir Ahmed A., El-Halwany M. M.

Primary Institution: Jazan University, Saudi Arabia

Hypothesis

Can bimetallic NiCr nanoparticles on carbon nanofibers enhance hydrogen generation from sodium borohydride?

Conclusion

The study found that the NiCr-20 catalyst significantly improved hydrogen production efficiency from sodium borohydride.

Supporting Evidence

  • The NiCr-20 catalyst completed the reaction in just 6.5 minutes.
  • Higher temperatures led to shorter reaction times for hydrogen production.
  • The catalyst demonstrated good stability over five cycles.
  • Hydrogen production followed first-order kinetics with respect to catalyst quantity.
  • The incorporation of chromium enhanced the catalytic activity of nickel.

Takeaway

This study shows that mixing nickel and chromium on carbon fibers helps make hydrogen faster from a special chemical called sodium borohydride.

Methodology

Bimetallic NiCr nanoparticles were synthesized on carbon nanofibers using electrospinning and characterized for catalytic activity in hydrogen generation from sodium borohydride.

Limitations

The catalyst showed decreased performance over multiple cycles due to accumulation of by-products.

Statistical Information

P-Value

p<0.05

Digital Object Identifier (DOI)

10.3390/polym16243541

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