Layered transition metal oxyhydroxides as tri-functional electrocatalysts

Chee Shan Lim, Chun Kiang Chua, Zdeněk Sofer, Kateřina Klímová, Christopher Boothroyd, Martin Pumera

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Layered transition metal-based materials have been intensively explored for their electrocatalytic capabilities in energy-related applications such as the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) lately. These reactions are kinetically sluggish, and require catalysts to promote their efficiency. Since their discovery and characterization decades ago, the catalytic properties of metal oxyhydroxides have not been profoundly studied. It was only in recent years when emphasis was placed on them again, mainly as possible OER catalysts. In this work, we wish to delve deeper into several layered first-row transition metal (cobalt, chromium, iron, manganese and nickel) oxyhydroxides, and investigate their inherent electrochemistry and electrocatalytic behaviors for HER and OER, as well as the oxygen reduction reaction (ORR). Characterisation of these materials was performed using scanning electron microscopy, X-ray powder diffraction, high resolution transmission electron microscopy and X-ray photoelectron spectroscopy prior to electrochemical studies. Among the five layered oxyhydroxides examined, cobalt and nickel oxyhydroxides exhibited better electrocatalytic properties than the other three layered oxyhydroxides mainly in HER and OER.

Original languageEnglish
Pages (from-to)11920-11929
Number of pages10
JournalJournal of Materials Chemistry A
Volume3
Issue number22
DOIs
Publication statusPublished - 2015 Jun 14

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Electrocatalysts
Transition metals
Oxygen
Hydrogen
Nickel
Cobalt
Catalysts
Electrochemistry
Chromium
Manganese
High resolution transmission electron microscopy
X ray powder diffraction
Iron
X ray photoelectron spectroscopy
Metals
Scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

Lim, Chee Shan ; Chua, Chun Kiang ; Sofer, Zdeněk ; Klímová, Kateřina ; Boothroyd, Christopher ; Pumera, Martin. / Layered transition metal oxyhydroxides as tri-functional electrocatalysts. In: Journal of Materials Chemistry A. 2015 ; Vol. 3, No. 22. pp. 11920-11929.
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Lim, CS, Chua, CK, Sofer, Z, Klímová, K, Boothroyd, C & Pumera, M 2015, 'Layered transition metal oxyhydroxides as tri-functional electrocatalysts', Journal of Materials Chemistry A, vol. 3, no. 22, pp. 11920-11929. https://doi.org/10.1039/c5ta02063h

Layered transition metal oxyhydroxides as tri-functional electrocatalysts. / Lim, Chee Shan; Chua, Chun Kiang; Sofer, Zdeněk; Klímová, Kateřina; Boothroyd, Christopher; Pumera, Martin.

In: Journal of Materials Chemistry A, Vol. 3, No. 22, 14.06.2015, p. 11920-11929.

Research output: Contribution to journalArticle

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