Platinum‐Rare Earth Alloy Electrocatalysts for the Oxygen Reduction Reaction: A Brief Overview

The development of highly active and long‐term stable electrocatalysts for the cathode of proton‐exchange membrane fuel cells (PEMFC) is a paramount requirement for high performance and durable PEMFC stacks. In this regard, alloying Pt with rare earth metals (REM) has emerged as a promising approach...

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Bibliographic Details
Published in:ChemCatChem 2022-10, Vol.14 (19), p.e202200334-n/a
Main Authors: Campos‐Roldán, Carlos A., Jones, Deborah J., Rozière, Jacques, Cavaliere, Sara
Format: Article
Language:English
Subjects:
Alloying
Catalysis
Chemical reduction
Chemical Sciences
Electrocatalysis
Electrocatalysts
Fuel Cells
Oxygen Reduction Reaction
Oxygen reduction reactions
Platinum
Platinum alloys
Proton exchange membrane fuel cells
Rare earth alloys
Rare Earth Metals
Review
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Summary:The development of highly active and long‐term stable electrocatalysts for the cathode of proton‐exchange membrane fuel cells (PEMFC) is a paramount requirement for high performance and durable PEMFC stacks. In this regard, alloying Pt with rare earth metals (REM) has emerged as a promising approach. This short review summarizes and discusses the most relevant advances on Pt‐REM alloy electrocatalysts, from bulk polycrystalline surfaces to carbon supported nanostructures, for the oxygen reduction reaction (ORR), and their implementation in PEMFCs, and is a starting point to establish the challenges in synthesis and design and properties goals for novel Pt‐REM alloys. Fuel cells: The recent progress on platinum‐rare earth alloys for the oxygen reduction reaction, from bulk polycrystalline surfaces to carbon supported nanostructures, is briefly discussed, identifying and establishing the challenges in synthesis and properties design for advanced electrocatalysts for fuel cells.
ISSN:1867-3880
1867-3899
1867-3899
DOI:10.1002/cctc.202200334