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Updated: Nov 12, 2025
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Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance
Published on: April 27, 2018
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An Overview on Pt3 X Electrocatalysts for Oxygen Reduction Reaction
Shreya Sarkar1, Sebastian C Peter1
1New Chemistry Unit, School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur, Bangalore, 560064, India.
Chemistry, an Asian Journal
|March 22, 2021
Summary
Platinum (Pt) alloys and intermetallics enhance oxygen reduction reaction (ORR) activity. Ordered Pt3X intermetallics show promise for durable catalysts, overcoming limitations of traditional alloys.
Area of Science:
- Materials Science
- Electrochemistry
- Catalysis
Background:
- Platinum (Pt) is crucial for oxygen reduction reaction (ORR) catalysis.
- Alloying Pt with secondary metals enhances ORR activity.
- Traditional alloys and bimetallics suffer from poor durability due to metal dissolution.
Purpose of the Study:
- To review recent advancements in Pt3X alloys and intermetallics for ORR.
- To highlight the potential of ordered intermetallics for improved catalyst durability.
- To discuss challenges and future research directions in Pt-based ORR catalysts.
Main Methods:
- Literature review of recent progress in Pt3X alloys and intermetallics.
- Analysis of performance and durability data for various Pt-based materials.
- Identification of key challenges and future research opportunities.
Main Results:
- Pt3X alloys and intermetallics demonstrate enhanced ORR performance compared to pure Pt.
- Ordered intermetallics offer superior durability by mitigating metal dissolution.
- Significant progress has been made in developing novel Pt-based ORR catalysts.
Conclusions:
- Ordered Pt3X intermetallics represent a promising class of durable ORR electrocatalysts.
- Further research is needed to overcome challenges in synthesis and scale-up.
- Future directions include exploring new compositions and understanding degradation mechanisms.
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