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Biomass-derived nickel phosphide nanoparticles as a robust catalyst for hydrogen production by catalytic decomposition of C2H2 or dry reforming of CH4
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Kim, Heeyeon, Robertson, Alex W., Kwon, Guk-hyun, O, Jang-won, Warner, Jamie H. and Kim, Jong Min (2019) Biomass-derived nickel phosphide nanoparticles as a robust catalyst for hydrogen production by catalytic decomposition of C2H2 or dry reforming of CH4. ACS Applied Energy Materials, 2 (12). pp. 8649-8658. doi:10.1021/acsaem.9b01599 ISSN 2574-0962.
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Official URL: http://dx.doi.org/10.1021/acsaem.9b01599
Abstract
Nickel is well recognized for its high catalytic activity in hydrogen production and hydrotreating, but it experiences severe deactivation upon coke formation. The development of a nickel-based catalyst that is resilient to deactivation while maintaining its signature high activity is therefore desirable. We demonstrate a simple but effective technique for the synthesis of nickel phosphide catalysts by impregnating nickel into carbonized natural cellulose fibers (NCFs) that naturally contain phosphorus. At a sufficient annealing temperature (1100 °C), the nickel particles react with phosphorus, forming Ni2P and Ni5P4 nanoparticles. Higher annealing temperatures (>1500 °C) promote the formation of single atom nickel, which greatly supplements the catalytic performance. Our nickel phosphide catalyst exhibits a markedly superior activity and stability in the synthesis of hydrogen by C2H2 decomposition and the dry reforming of methane (DRM) compared to the Ni/Al2O3 model catalyst. The sustained activity and stability exhibited by the developed catalyst suggest its promise for other hydrotreating reactions and the hydrogen evolution reaction.
Item Type: | Journal Article | ||||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||||||
Journal or Publication Title: | ACS Applied Energy Materials | ||||||||||
Publisher: | American Chemical Society | ||||||||||
ISSN: | 2574-0962 | ||||||||||
Official Date: | 23 December 2019 | ||||||||||
Dates: |
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Volume: | 2 | ||||||||||
Number: | 12 | ||||||||||
Page Range: | pp. 8649-8658 | ||||||||||
DOI: | 10.1021/acsaem.9b01599 | ||||||||||
Status: | Peer Reviewed | ||||||||||
Publication Status: | Published | ||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||
Copyright Holders: | American Chemical Society | ||||||||||
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