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Graphitic Carbon Nitride as a Catalyst Support in Fuel Cells and Electrolyzers

Mansor, N; Miller, TS; Dedigama, I; Jorge, AB; Jia, J; Brázdová, V; Mattevi, C; ... McMillan, PF; + view all (2016) Graphitic Carbon Nitride as a Catalyst Support in Fuel Cells and Electrolyzers. Electrochimica Acta , 222 pp. 44-57. 10.1016/j.electacta.2016.11.008. Green open access

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Abstract

Electrochemical power sources, such as polymer electrolyte membrane fuel cells (PEMFCs), require the use of precious metal catalysts which are deposited as nanoparticles onto supports in order to minimize their mass loading and therefore cost. State-of-the-art/commercial supports are based on forms of carbon black. However, carbon supports present disadvantages including corrosion in the operating fuel cell environment and loss of catalyst activity. Here we review recent work examining the potential of different varieties of graphitic carbon nitride (gCN) as catalyst supports, highlighting their likely benefits, as well as the challenges associated with their implementation. The performance of gCN and hybrid gCN-carbon materials as PEMFC electrodes is discussed, as well as their potential for use in alkaline systems and water electrolyzers. We illustrate the discussion with examples taken from our own recent studies.

Type: Article
Title: Graphitic Carbon Nitride as a Catalyst Support in Fuel Cells and Electrolyzers
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.electacta.2016.11.008
Publisher version: http://dx.doi.org/10.1016/j.electacta.2016.11.008
Language: English
Additional information: © 2016 The Authors. ublished by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)
Keywords: Electrocatalyst support materials; oxygen reduction; hydrogen oxidation; electrolysis; N-doped carbon; graphitic carbon nitride
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/1530650
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