Browsing by Author "LYONS, MICHAEL"
Now showing items 1-20 of 20
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Dimensionally Stable Anodes (DSA) for Electrochemical Water Splitting: Redox Properties, OER Kinetics and Mechanism at RuO2/NiO modified electrodes in aqueous base
LYONS, MICHAEL; GODWIN, IAN (Electrochemical Society, 2013)The RuO2/NiO electrode was found to be extremely effective as a water oxidation catalyst in alkaline conditions. Addition of 25 mol % of RuO2 to a NiO electrode lowered the oxygen evolution reaction (OER) overpotential ... -
Effect of external magnetic fields on electron transfer and ion pairing dynamics at ferrocenyl alkane thiol SAM/solution interfaces
LYONS, MICHAEL; KEELEY, GARETH (2010)The redox behaviour of ferrocene alkane thiol self assembled monolayer modified electrodes in contact with aqueous perchlorate solutions both in the absence of and in the presence of an external magnetic field is examined ... -
An electrochemical impedance study of the oxygen evolution reaction at hydrous iron oxide in base
LYONS, MICHAEL (2013)The oxygen evolution reaction at multi-cycled iron oxy-hydroxide films in aqueous alkaline solution is discussed. Steady-state Tafel plot analysis and electrochemical impedance spectroscopy have been used to elucidate ... -
Enhanced oxygen evolution at hydrous oxy-hydroxide modified iron electrodes in aqueous alkaline solution
LYONS, MICHAEL; DOYLE, RICHARD (2011)Outstanding issues regarding the film formation and the oxygen evolution reaction (OER) electrocatalytic behaviour of multicycled iron oxyhydroxide films in aqueous alkaline solution have been revisited. The oxide is grown ... -
Hydrous Nickel Oxide: Redox switching and the oxygen evolution reaction in aqueous alkaline solution
LYONS, MICHAEL; DOYLE, RICHARD; GODWIN, IAN (2012)The redox switching reaction and the oxygen evolution reaction at multi-cycled nickel oxy-hydroxide films in aqueous alkaline solution are discussed. The hydrous oxide is considered as a porous assembly of interlinked ... -
A Kantian Reconciliation of Moral Realism and Moral Supervenience
LYONS, MICHAEL (Trinity College Dublin. School of Social Sciences & Philosophy. Discipline of Philosophy, 2018)The 'Moral Supervenience' thesis is a deeply intuitive and popular one within philosophy, and can be defined as follows: "There can be no changes in any moral properties without at least some kind of change in non-moral ... -
Kinetic and mechanistic aspects of the oxygen evolution reaction at hydrous iron oxide films in base
LYONS, MICHAEL (2013)The oxygen evolution reaction atmulti-cycled iron oxy-hydroxide films in aqueous alkaline solution is discussed. The factors affecting the growth and electrocatalytic properties of the latter are described. In particular, ... -
Liquid exfoliated Co(OH)2 nanosheets as low cost high performance catalysts for the oxygen evolution reaction
LYONS, MICHAEL; COLEMAN, JONATHAN; GODWIN, IAN (2018) -
Magnetic field effects in ferrocenealkane thiol self assembled monolayer modified electrodes
LYONS, MICHAEL (2010)The redox behaviour of well characterized ferrocene alkane thiol self assembled monolayer modified electrodes in contact with aqueous perchlorate solutions both in the absence of and in the presence of an external magnetic ... -
Measuring the conductivity of single fibres
LYONS, MICHAEL (2011)The methodology required to measure the conductivity of single fibres is outlined, the basic underlying physics discussed and recent pertinent examples culled from the scientific literature are presented for illustration. ... -
The mechanism of oxygen reactions at porous oxide electrodes Part III: Water oxidation catalysis at RuO2/NiO mixed oxide electrodes
LYONS, MICHAEL; GODWIN, IAN (2014)RuO2/NiO mixed oxide electrodes prepared by thermal decomposition were examined as potential water oxidation catalysts. Addition of just 10 mol% RuO2 to a NiO electrode was found to decrease the oxygen evolution reaction ... -
Non-enzymatic glucose oxidation at electrocatalytic metal oxide films
LYONS, MICHAEL (Electrochemical Society, 2013)The electro-oxidation of glucose at nickel hydroxide films is discussed. These films can be electrodeposited using a simple potential multi-cycling procedure. The resulting films exhibit a nanostructured surface ... -
Oxygen evolution at oxidized iron electrodes: a tale of two slopes
LYONS, MICHAEL (2012)The electro-catalytic activity with respect to water oxidation to form molecular oxygen of iron oxyhydroxide thin films on iron support surfaces in aqueous base is described. A mechanism involving iron surfaquo groups is ... -
Paving the way to the integration of smart nanostructures: Part II: Nanostructured microdispersed hydrated metal oxides for electrochemical energy conversion and storage applications
LYONS, MICHAEL; DOYLE, RICHARD (2011)The use of hydrogen gas produced by the electrolysis of water is the basis of a long term energy conversion and storage option that has been and still continues to be the subject of considerable research. Alkaline water ... -
Production of Ni(OH)<inf>2</inf> nanosheets by liquid phase exfoliation: From optical properties to electrochemical applications
COLEMAN, JONATHAN; DONEGAN, JOHN; NICOLOSI, VALERIA; LYONS, MICHAEL; DUESBERG, GEORG; MCEVOY, NIALL; GODWIN, IAN (2016)Here we demonstrate that liquid phase exfoliation can be used to convert layered crystals of nickel hydroxide into Ni(OH)2 nanosheets in relatively large quantities and without the need for ion intercalation. While other ... -
Redox and electrochemical water splitting catalytic properties of hydrated metal oxide modified electrodes
LYONS, MICHAEL; GODWIN, IAN (2013)This paper presents a review of the redox and electrocatalytic properties of transition metal oxide electrodes, paying particular attention to the oxygen evolution reaction. Metal oxide materials may be prepared using ... -
Redox switching and oxygen evolution at hydrous nickel oxide films in aqueous alkaline solution
LYONS, MICHAEL; GODWIN, IAN (Electrochemical Society, 2013)The redox switching reaction and the oxygen evolution reaction at multi-cycled nickel oxy-hydroxide films in aqueous alkaline solution are discussed. The hydrous oxide is considered as a porous assembly of interlinked ... -
Redox switching and oxygen evolution at hydrous oxyhydroxide modified nickel electrodes in aqueous alkaline solution: effect of hydrous oxide thickness and base concentration
LYONS, MICHAEL; GODWIN, IAN (2012)Outstanding issues regarding the film formation, the redox switching reaction and the oxygen evolution reaction (OER) electrocatalytic behaviour of multi-cycled nickel oxy-hydroxide films in aqueous alkaline solution have ... -
Redox, pH sensing and electrolytic water splitting properties of electrochemically generated nickel hydroxide thin films in aqueous alkaline solution
LYONS, MICHAEL; GODWIN, IAN (2012)The formation via repetitive potential cycling of a thin nickel oxy-hydroxide film on conductive Au, GC and Pt support surfaces is described. The redox and acid/base behavior and electro-catalytic activity with respect to ...