Atomically Dispersed Transition Metals on Carbon Nanotubes with Ultrahigh Loading for Selective Electrochemical Carbon Dioxide Reduction

Yi Cheng; Shiyong Zhao; Bernt Johannessen; Jean-Pierre Veder; Martin Saunders; Matthew R Rowles; Min Cheng; Chang Liu; Matthew F Chisholm; Roland De Marco; Hui-Ming Cheng; Shi-Ze Yang; San Ping Jiang

doi:10.1002/adma.201706287

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Atomically Dispersed Transition Metals on Carbon Nanotubes with Ultrahigh Loading for Selective Electrochemical Carbon Dioxide Reduction

Journal article

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Atomically Dispersed Transition Metals on Carbon Nanotubes with Ultrahigh Loading for Selective Electrochemical Carbon Dioxide Reduction

Yi Cheng, Shiyong Zhao, Bernt Johannessen, Jean-Pierre Veder, Martin Saunders, Matthew R Rowles, Min Cheng, Chang Liu, Matthew F Chisholm, Roland De Marco, …

Advanced Materials, Vol.30(13), pp.1-7

2018

DOI: https://doi.org/10.1002/adma.201706287

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Abstract

carbon dioxide reduction

carbon monoxide

single-atom catalysts

transition metals

Single-atom catalysts (SACs) are the smallest entities for catalytic reactions with projected high atomic efficiency, superior activity, and selectivity; however, practical applications of SACs suffer from a very low metal loading of 1-2 wt%. Here, a class of SACs based on atomically dispersed transition metals on nitrogen-doped carbon nanotubes (MSA-N-CNTs, where M = Ni, Co, NiCo, CoFe, and NiPt) is synthesized with an extraordinarily high metal loading, e.g., 20 wt% in the case of NiSA-N-CNTs, using a new multistep pyrolysis process. Among these materials, NiSA-N-CNTs show an excellent selectivity and activity for the electrochemical reduction of CO2 to CO, achieving a turnover frequency (TOF) of 11.7 s(-1) at -0.55 V (vs reversible hydrogen electrode (RHE)), two orders of magnitude higher than Ni nano-particles supported on CNTs.

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Title: Atomically Dispersed Transition Metals on Carbon Nanotubes with Ultrahigh Loading for Selective Electrochemical Carbon Dioxide Reduction
Authors: Yi Cheng (Author) - Curtin University
Shiyong Zhao (Author) - Curtin University
Bernt Johannessen (Author) - Australian Synchrotron
Jean-Pierre Veder (Author) - Curtin University
Martin Saunders (Author) - University of Western Australia
Matthew R Rowles (Author) - Curtin University
Min Cheng (Author) - Chinese Academy of Science, China
Chang Liu (Author) - Chinese Academy of Science, China
Matthew F Chisholm (Author) - Oak Ridge National Laboratory, United States
Roland De Marco (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Hui-Ming Cheng (Author) - Chinese Academy of Science, China
Shi-Ze Yang (Corresponding Author) - Oak Ridge National Laboratory, United States
San Ping Jiang (Corresponding Author) - Curtin University
Publication details: Advanced Materials, Vol.30(13), pp.1-7
Publisher: Wiley - V C H Verlag GmbH & Co. KGaA
Date published: 2018
DOI: 10.1002/adma.201706287
ISSN: 0935-9648; 0935-9648
Grants: Oxide-based high temperature proton exchange membrane fuel cells, DP150102025, Australian Research Council (Australia, Canberra) - ARC
Single-atom catalysts for electrochemical carbon dioxide conversion, DP180100568, Australian Research Council (Australia, Canberra) - ARC
A surface characterisation facility, LE120100026, Australian Research Council (Australia, Canberra) - ARC
Smart utilisation of cobaltite based electrodes on solid oxide fuel cells, DP180100731, Australian Research Council (Australia, Canberra) - ARC
New carbon nanotube electrocatalysts for water splitting and fuel cells, DP150102044 , Australian Research Council (Australia, Canberra) - ARC
Organisation Unit: Office of the Deputy Vice-Chancellor (Research and Innovation)
Language: English
Record Identifier: 99451244702621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Chemistry, Multidisciplinary; Chemistry, Physical; Materials Science, Multidisciplinary; Nanoscience & Nanotechnology; Physics, Applied; Physics, Condensed Matter

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