Layered PtTe2 Matches Electrocatalytic Performance of Pt/C for Oxygen Reduction Reaction with Significantly Lower Toxicity

Nur Farhanah Rosli, Carmen C. Mayorga-Martinez, Naziah M. Latiff, Nasuha Rohaizad, Zdeněk Sofer, Adrian C. Fisher, Martin Pumera

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Oxygen reduction reaction (ORR) is an important reaction for fuel cells and platinum on carbon (Pt/C) is a typical electrocatalyst for ORR in industrial applications. There is a constant search for a replacement for Pt/C with better ORR electrocatalytic performance but thus far, most materials show poorer electrocatalytic activity than Pt/C. Herein, we present electrocatalytical studies of platinum (Pt) dichalcogenides as alternative electrocatalyst for ORR. Interestingly, not only have we found that PtTe2 demonstrates similar electrocatalytic performance for ORR but its toxicity is significantly lower than the toxicity of Pt/C. This study shows that layered transition metal dichalcogenide family members have strong application potential not only for hydrogen evolution reaction (HER - proton reduction), but also, unexpectedly, for oxygen reduction reaction. We demonstrate PtTe2 as a safer alternative electrocatalyst material for ORR. These studies can allow better understanding of the electrocatalytic performance and toxicological profiles of Pt dichalcogenides in comparison to Pt/C to aid future mass application and commercialization in clean energy reactions such as ORR.

Original languageEnglish
Pages (from-to)7432-7441
Number of pages10
JournalACS Sustainable Chemistry and Engineering
Volume6
Issue number6
DOIs
Publication statusPublished - 2018 Jun 4

Fingerprint

Platinum
platinum
Toxicity
Carbon
Oxygen
toxicity
oxygen
carbon
Electrocatalysts
commercialization
transition element
fuel cell
Industrial applications
Transition metals
Protons
Fuel cells
Hydrogen
replacement
hydrogen

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Renewable Energy, Sustainability and the Environment

Cite this

Rosli, Nur Farhanah ; Mayorga-Martinez, Carmen C. ; Latiff, Naziah M. ; Rohaizad, Nasuha ; Sofer, Zdeněk ; Fisher, Adrian C. ; Pumera, Martin. / Layered PtTe2 Matches Electrocatalytic Performance of Pt/C for Oxygen Reduction Reaction with Significantly Lower Toxicity. In: ACS Sustainable Chemistry and Engineering. 2018 ; Vol. 6, No. 6. pp. 7432-7441.
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Layered PtTe2 Matches Electrocatalytic Performance of Pt/C for Oxygen Reduction Reaction with Significantly Lower Toxicity. / Rosli, Nur Farhanah; Mayorga-Martinez, Carmen C.; Latiff, Naziah M.; Rohaizad, Nasuha; Sofer, Zdeněk; Fisher, Adrian C.; Pumera, Martin.

In: ACS Sustainable Chemistry and Engineering, Vol. 6, No. 6, 04.06.2018, p. 7432-7441.

Research output: Contribution to journalArticle

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