Characterisation of platinised Ti mesh electrodes using electrochemical methods: methanol oxidation in sodium hydroxide solutions

Yu, Eileen Hao; Scott, Keith; Reeve, Robert W.; Yang, Lianxi; Allen, R.G.

doi:10.1016/j.electacta.2004.01.022

Cited by 58 publications

(41 citation statements)

References 12 publications

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“…[56]. The electrochemistry of the mesh electrodes in alkali was explored in a previous publication [57]. The cathode consisted of platinum on carbon (loading of 2 mg cm -2 , 60 %wt.…”

Section: Review Of the Application Of Aaems In Fuel Cellsmentioning

confidence: 99%

Prospects for Alkaline Anion‐Exchange Membranes in Low Temperature Fuel Cells

Varcoe¹,

2005

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This article introduces the radical approach of applying alkaline anion-exchange membranes (AAEMs) to meet the current challenges with regards to direct methanol fuel cells (DMFCs).A review of the literature is presented with regards to the testing of fuel cells with alkaline membranes (fuelled with hydrogen or methanol) and also to candidate alkaline anionexchange membranes for such an application. A brief review of the directly related patent literature is also included. Current and future research challenges are identified along with potential strategies to overcome them. Finally, the advantages and challenges with the direct electrochemical oxidation of alternative fuels are discussed, along with how the application of alkaline membranes in such fuel cells may assist in improving performance and fuel efficiency. KeywordsLow temperature, Alkaline anion-exchange membrane, Direct methanol fuel cell, Polymer electrolyte fuel cell.

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“…[56]. The electrochemistry of the mesh electrodes in alkali was explored in a previous publication [57]. The cathode consisted of platinum on carbon (loading of 2 mg cm -2 , 60 %wt.…”

Section: Review Of the Application Of Aaems In Fuel Cellsmentioning

confidence: 99%

Prospects for Alkaline Anion‐Exchange Membranes in Low Temperature Fuel Cells

Varcoe¹,

2005

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show abstract

“…The methanol solutions (1 to 4 mol dm -3 ) were all made from aqueous sodium hydroxide (1 mol dm -3 ); other fundamental electrochemical studies demonstrate that electro-oxidation of methanol at the anode is improved at higher pH (higher NaOH concentrations) due to improved OH -surface concentrations on the Pt catalyst particles [13,14]. The Morgane ® ADP membrane exhibited a resistance across the membrane (termed the normal direction as opposed to the tangential surface resistance) that was 600% the value observed with Nafion ® , which was a factor that was responsible for the limited fuel cell performances observed.…”

Section: )mentioning

confidence: 99%

Investigations of conductivity in FEP-based radiation-grafted alkaline anion-exchange membranes

2005

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“…However, in recent times interest in the alkaline fuel cell has arisen in view of its low cost, wider selection of possible electrocatalysts and expected faster kinetics of the proton transfer reactions as well as for the oxygen reduction [7][8][9]. The effective use of Pd-based catalyst in alkaline medium, for complete oxidation of ethanol has been the interest of a number of research groups [10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%