Improving the performance of porous nickel foam for water oxidation using hydrothermally prepared Ni and Fe metal oxides

Michelle P. Browne, Joana M. Vasconcelos, Joao Coelho, Maria O'Brien, Aurelie A. Rovetta, Eoin K. McCarthy, Hugo Nolan, Georg S. Duesberg, Valeria Nicolosi, Paula E. Colavita, Michael Lyons

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Recent research trends have seen a rise in the interest in Transition Metal Oxides (TMO's) as catalysts for the Oxygen Evolution Reaction (OER). In particular, the use of inexpensive mixed TMO's such as Fe and Ni has gained much attention. While some techniques, such as electrodeposition, are widely investigated, reports into the fabrication of Fe, Ni/Fe and Ni oxides for the OER by alternative methods are sparse. To our knowledge, a study involving hydrothermal synthesis to produce all three of the aforementioned catalysts for the OER has yet to be undertaken. Additionally, the use of high surface area electrode supports to enhance the properties of the OER materials is very popular at present. Currently, industrial alkaline electrolysis uses Ni foam as an electrode due to its high porosity, three dimensional structure and low cost. Herein, the hydrothermal synthesis of nanoscale Fe, Ni/Fe and Ni oxide particles is reported. The resulting powders were subsequently used to modify Ni foam, an industrially compatible OER catalyst. The modified Ni foams exhibit improved OER capabilities when compared to the bare foam. Interestingly, the hydrothermal Ni oxide has the greatest enhancement in its OER activity compared to the mixed Ni/Fe and pure Fe oxides. Usually, electrodeposited NiFe oxides are superior OER catalysts compared to pure Ni and Fe oxides. Finally, the hydrothermal Ni oxide/Ni foam system offers a cheap and more active OER catalysts then the currently utilised anodic material for water electrolysis. This system could generate an increased amount of H2 gas for an economy searching for alternatives energy sources.
Original languageEnglish
Pages (from-to)207-216
Number of pages10
JournalSustainable Energy & Fuels
Volume1
DOIs
Publication statusPublished - 09 Dec 2016

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Nickel
Oxides
Foams
Metals
Oxidation
Oxygen
Water
Catalysts
Hydrothermal synthesis
Electrolysis
Transition metals
Electrodes
Electrodeposition
Powders
Reactive Oxygen Species
Porosity
Gases
Fabrication

Cite this

Browne, M. P., Vasconcelos, J. M., Coelho, J., O'Brien, M., Rovetta, A. A., McCarthy, E. K., ... Lyons, M. (2016). Improving the performance of porous nickel foam for water oxidation using hydrothermally prepared Ni and Fe metal oxides. Sustainable Energy & Fuels, 1, 207-216. https://doi.org/10.1039/C6SE00032K
Browne, Michelle P. ; Vasconcelos, Joana M. ; Coelho, Joao ; O'Brien, Maria ; Rovetta, Aurelie A. ; McCarthy, Eoin K. ; Nolan, Hugo ; Duesberg, Georg S. ; Nicolosi, Valeria ; Colavita, Paula E. ; Lyons, Michael . / Improving the performance of porous nickel foam for water oxidation using hydrothermally prepared Ni and Fe metal oxides. In: Sustainable Energy & Fuels. 2016 ; Vol. 1. pp. 207-216.
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Browne, MP, Vasconcelos, JM, Coelho, J, O'Brien, M, Rovetta, AA, McCarthy, EK, Nolan, H, Duesberg, GS, Nicolosi, V, Colavita, PE & Lyons, M 2016, 'Improving the performance of porous nickel foam for water oxidation using hydrothermally prepared Ni and Fe metal oxides', Sustainable Energy & Fuels, vol. 1, pp. 207-216. https://doi.org/10.1039/C6SE00032K

Improving the performance of porous nickel foam for water oxidation using hydrothermally prepared Ni and Fe metal oxides. / Browne, Michelle P.; Vasconcelos, Joana M.; Coelho, Joao; O'Brien, Maria; Rovetta, Aurelie A.; McCarthy, Eoin K.; Nolan, Hugo; Duesberg, Georg S.; Nicolosi, Valeria; Colavita, Paula E.; Lyons, Michael .

In: Sustainable Energy & Fuels, Vol. 1, 09.12.2016, p. 207-216.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Improving the performance of porous nickel foam for water oxidation using hydrothermally prepared Ni and Fe metal oxides

AU - Browne, Michelle P.

AU - Vasconcelos, Joana M.

AU - Coelho, Joao

AU - O'Brien, Maria

AU - Rovetta, Aurelie A.

AU - McCarthy, Eoin K.

AU - Nolan, Hugo

AU - Duesberg, Georg S.

AU - Nicolosi, Valeria

AU - Colavita, Paula E.

AU - Lyons, Michael

PY - 2016/12/9

Y1 - 2016/12/9

N2 - Recent research trends have seen a rise in the interest in Transition Metal Oxides (TMO's) as catalysts for the Oxygen Evolution Reaction (OER). In particular, the use of inexpensive mixed TMO's such as Fe and Ni has gained much attention. While some techniques, such as electrodeposition, are widely investigated, reports into the fabrication of Fe, Ni/Fe and Ni oxides for the OER by alternative methods are sparse. To our knowledge, a study involving hydrothermal synthesis to produce all three of the aforementioned catalysts for the OER has yet to be undertaken. Additionally, the use of high surface area electrode supports to enhance the properties of the OER materials is very popular at present. Currently, industrial alkaline electrolysis uses Ni foam as an electrode due to its high porosity, three dimensional structure and low cost. Herein, the hydrothermal synthesis of nanoscale Fe, Ni/Fe and Ni oxide particles is reported. The resulting powders were subsequently used to modify Ni foam, an industrially compatible OER catalyst. The modified Ni foams exhibit improved OER capabilities when compared to the bare foam. Interestingly, the hydrothermal Ni oxide has the greatest enhancement in its OER activity compared to the mixed Ni/Fe and pure Fe oxides. Usually, electrodeposited NiFe oxides are superior OER catalysts compared to pure Ni and Fe oxides. Finally, the hydrothermal Ni oxide/Ni foam system offers a cheap and more active OER catalysts then the currently utilised anodic material for water electrolysis. This system could generate an increased amount of H2 gas for an economy searching for alternatives energy sources.

AB - Recent research trends have seen a rise in the interest in Transition Metal Oxides (TMO's) as catalysts for the Oxygen Evolution Reaction (OER). In particular, the use of inexpensive mixed TMO's such as Fe and Ni has gained much attention. While some techniques, such as electrodeposition, are widely investigated, reports into the fabrication of Fe, Ni/Fe and Ni oxides for the OER by alternative methods are sparse. To our knowledge, a study involving hydrothermal synthesis to produce all three of the aforementioned catalysts for the OER has yet to be undertaken. Additionally, the use of high surface area electrode supports to enhance the properties of the OER materials is very popular at present. Currently, industrial alkaline electrolysis uses Ni foam as an electrode due to its high porosity, three dimensional structure and low cost. Herein, the hydrothermal synthesis of nanoscale Fe, Ni/Fe and Ni oxide particles is reported. The resulting powders were subsequently used to modify Ni foam, an industrially compatible OER catalyst. The modified Ni foams exhibit improved OER capabilities when compared to the bare foam. Interestingly, the hydrothermal Ni oxide has the greatest enhancement in its OER activity compared to the mixed Ni/Fe and pure Fe oxides. Usually, electrodeposited NiFe oxides are superior OER catalysts compared to pure Ni and Fe oxides. Finally, the hydrothermal Ni oxide/Ni foam system offers a cheap and more active OER catalysts then the currently utilised anodic material for water electrolysis. This system could generate an increased amount of H2 gas for an economy searching for alternatives energy sources.

U2 - 10.1039/C6SE00032K

DO - 10.1039/C6SE00032K

M3 - Article

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SP - 207

EP - 216

JO - Sustainable Energy & Fuels

JF - Sustainable Energy & Fuels

SN - 2398-4902

ER -