PEM fuel cell electrocatalysts based on transition metal macrocyclic compounds

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DOIResolve DOI: http://doi.org/10.1016/j.ccr.2016.02.002
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TypeArticle
Journal titleCoordination Chemistry Reviews
ISSN0010-8545
Volume315
Pages153177
SubjectElectrocatalysts; Oxygen reduction reaction; Polymer electrolyte membrane; Fuel cell; Macrocycle complex; Transition metal macrocycle
AbstractThis paper provides a comprehensive overview of the current state of development of transition metal macrocyclic (TMM) complex-based electrocatalysts used in oxygen reduction reactions (ORRs) in polymer electrolyte membrane fuel cells (PEMFCs). Up to date performances of carbon material-supported TMM catalysts, including both ORR activity rates and stabilities are, discussed. The effects of different types and natures of metals, macrocyclic ligands, ligand substitutions, catalyst supporting materials, electrode preparation, and various acid/alkaline solutions are thoroughly analyzed and reviewed based on the published literature. The ORR mechanisms facilitated by these TMM catalysts are discussed from both a theoretical and experimental observation point of view. Required improvements in ORR activity, stability and commercial viability in order for TMM complex-based electrocatalysts to be utilized in PEMFCs are identified. Potential research directions to overcome current challenges are also suggested to facilitate future efforts in this area.
Publication date
PublisherElsiever
LanguageEnglish
AffiliationEnergy, Mining and Environment; National Research Council Canada
Peer reviewedYes
IdentifierS001085451530062X
NPARC number23000114
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Record identifier5be94eda-b863-4dd3-8337-abaf58b6caaf
Record created2016-06-03
Record modified2016-06-03
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