From waste plastics to layered porous nitrogen-doped carbon materials with excellent HER performance

Herein, layered porous nitrogen-doped carbon sheets (LPNCS) prepared from waste plastics are employed as an electrocatalytic carrier for the HER under alkaline conditions. The N-doped coral-like nanostructure with abundant meso- and macropores would shorten the proton diffusion pathway, reduce the m...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2023-05, Vol.59 (41), p.6187-619
Main Authors: Juan, Chao, Lan, Bing, Zhao, Chuanchuan, Zhang, Hualong, Li, Dan, Zhang, Fan
Format: Article
Language:English
Subjects:
Carbon
Catalysts
Mass transfer
Nitrogen
Porous materials
Ruthenium
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Summary:Herein, layered porous nitrogen-doped carbon sheets (LPNCS) prepared from waste plastics are employed as an electrocatalytic carrier for the HER under alkaline conditions. The N-doped coral-like nanostructure with abundant meso- and macropores would shorten the proton diffusion pathway, reduce the mass transfer resistance and promote Ru dispersion. The prepared Ru/LPNCS shows an excellent performance with an overpotential of 15 mV at 10 mA cm −2 , even lower than that of most reported Ru-based catalysts and the commercial Pt/C catalyst (17 mV), which provides a potential application for converting waste plastics into highly efficient HER catalysts. Layered porous nitrogen-doped carbon sheets prepared from waste plastics are employed as an excellent HER catalyst under alkaline conditions.
ISSN:1359-7345
1364-548X
DOI:10.1039/d3cc01348k