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Open AccessArticle

Nitrogen Doped Carbon Nanotubes and Nanofibers for Green Hydrogen Production: Similarities in the Nature of Nitrogen Species, Metal–Nitrogen Interaction, and Catalytic Properties

1
Boreskov Institute of Catalysis, SB RAS, Novosibirsk 630090, Russia
2
Novosibirsk State University, Novosibirsk 630090, Russia
*
Author to whom correspondence should be addressed.
Energies 2019, 12(20), 3976; https://doi.org/10.3390/en12203976
Received: 20 September 2019 / Revised: 17 October 2019 / Accepted: 17 October 2019 / Published: 18 October 2019
The effect of nitrogen doped bamboo-like carbon nanotubes (N–CNTs) on the properties of supported platinum (0.2 and 1 wt %) catalysts in formic acid decomposition for hydrogen production was studied. It was shown that both impregnation and homogeneous precipitation routes led to the formation of electron-deficient platinum stabilized by pyridinic nitrogen sites of the N–CNTs. The electron-deficient platinum species strongly enhanced the activity and selectivity of the Pt/N–CNTs catalysts when compared to the catalysts containing mainly metallic platinum nanoparticles. A comparison of bamboo-like N–CNTs and herring-bone nitrogen doped carbon nanofibers (N–CNFs) as the catalyst support allowed us to conclude that the catalytic properties of supported platinum are determined by its locally one-type interaction with pyridinic nitrogen sites of the N–CNTs or N–CNFs irrespective of substantial structural differences between nanotubes and nanofibers. View Full-Text
Keywords: hydrogen; formic acid; platinum; nitrogen doped; carbon nanotubes; carbon nanofibers hydrogen; formic acid; platinum; nitrogen doped; carbon nanotubes; carbon nanofibers
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MDPI and ACS Style

Podyacheva, O.; Lisitsyn, A.; Kibis, L.; Boronin, A.; Stonkus, O.; Zaikovskii, V.; Suboch, A.; Sobolev, V.; Parmon, V. Nitrogen Doped Carbon Nanotubes and Nanofibers for Green Hydrogen Production: Similarities in the Nature of Nitrogen Species, Metal–Nitrogen Interaction, and Catalytic Properties. Energies 2019, 12, 3976. https://doi.org/10.3390/en12203976

AMA Style

Podyacheva O, Lisitsyn A, Kibis L, Boronin A, Stonkus O, Zaikovskii V, Suboch A, Sobolev V, Parmon V. Nitrogen Doped Carbon Nanotubes and Nanofibers for Green Hydrogen Production: Similarities in the Nature of Nitrogen Species, Metal–Nitrogen Interaction, and Catalytic Properties. Energies. 2019; 12(20):3976. https://doi.org/10.3390/en12203976

Chicago/Turabian Style

Podyacheva, Olga; Lisitsyn, Alexander; Kibis, Lidiya; Boronin, Andrei; Stonkus, Olga; Zaikovskii, Vladimir; Suboch, Arina; Sobolev, Vladimir; Parmon, Valentin. 2019. "Nitrogen Doped Carbon Nanotubes and Nanofibers for Green Hydrogen Production: Similarities in the Nature of Nitrogen Species, Metal–Nitrogen Interaction, and Catalytic Properties" Energies 12, no. 20: 3976. https://doi.org/10.3390/en12203976

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