The Role of Platinum in Proton Exchange Membrane Fuel Cells
By Oliver T. Holton, J. W. Stevenson. 2013
267 citations recorded by the source corpus.
Johnson Matthey, Orchard Road, Royston, Hertfordshire SG8 5HE, UK Email: *oliver.holton@matthey.com; **joe.stevenson@matthey.com Proton exchange membrane fuel cells (PEMFCs) dominate the transportation fuel cell market and platinum (Pt) is the catalyst material used for both anode and cathode. This review sets out the fundamentals of activity, selectivity, stability and poisoning resistance which make Pt or its alloys the best available materials to use in this application. It is clear that Pt is the only element which can meet the requirements for performance while avoiding slow reaction kinetics, proton exchange membrane (PEM) system degradation due to hydrogen peroxide (H2O2) formation and catalyst degradation due to metal leaching. Some of the means by which the performance of Pt can be enhanced are also discussed.
Subfields: Electrical and Electronic Engineering, Materials Chemistry, Renewable Energy, Sustainability and the Environment
View Paper: https://www.semanticscholar.org/paper/f86e660036ee22e12ad3bc4b774a4323c0fc2e4d
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In Materials Chemistry
Citations in the corpus
- An Introduction to Electrocatalyst Design using Machine Learning for Renewable Energy Storage (2020, background): “For instance, popular Polymer Electrolyte Membrane (PEM) fuel cell’s high costs are due in part to their use of platinum as their electrocatalysts [63, 65–67].”