Sulphur and nitrogen-doped metal-free microalgal carbon catalysts for very active dehydrogenation of sodium borohydride in methanol

Micro algae based on Spirulina platensis is successfully used for the synthesis of S and N-doped metal-free carbon materials

Cafer Saka

2021

Scholarcy highlights

  • Micro algae based on Spirulina platensis is successfully used for the synthesis of S and N-doped metal-free carbon materials
  • The procedure consists of three stages; Activated carbon production by KOH activation in CO2 atmosphere, S atom doping to the obtained S-AC using sulphuric acid by hydrothermal activation, N atom doping by hydrothermal activation to S-AC obtained using nitric acid
  • The S and N doped metal-free catalysts are used for H2 release in NaBH4 methanolysis reaction for the first time
  • The metal-free carbon catalysts are characterized by X-ray photoelectron spectroscopy, scanning electron microscope, X-ray diffractometer spectroscopy, Fourier-transform infrared spectroscopy, nitrogen adsorption and elemental analysis methods
  • When the HGR values obtained for S-AC-S-N and S-AC are compared, there is a 9.84-fold increase
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