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Updated: Jul 11, 2025
Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance
Published on: April 27, 2018
Nanostructure engineering of Pt/Pd-based oxygen reduction reaction electrocatalysts
Le Li1,2, Xintong Ye2, Qi Xiao2
1Key Laboratory of Advanced Catalytic Materials and Technology, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China. 010472@jscc.edu.cn.
This review systematically discusses nanostructure engineering for platinum (Pt) and palladium (Pd) electrocatalysts to improve fuel cell efficiency. Understanding nanostructure-function relationships guides the development of advanced oxygen reduction reaction (ORR) catalysts.
Area of Science:
- Materials Science
- Electrochemistry
- Catalysis
Background:
- Fuel cells require efficient electrocatalysts for the oxygen reduction reaction (ORR).
- Platinum (Pt) and Palladium (Pd) based catalysts are crucial, but their atomic utilization needs improvement.
- Nanostructure engineering offers a pathway to enhance catalyst performance.
Purpose of the Study:
- To systematically review nanostructure engineering of Pt- and Pd-based electrocatalysts for ORR.
- To provide a comprehensive understanding of ORR pathways and mechanisms in nanocatalysts.
- To highlight the structure-function relationship for designing advanced ORR electrocatalysts.
Main Methods:
- Systematic literature review focusing on nanostructure engineering.
- Analysis of ORR pathways, mechanisms, and theories.
- Discussion of structure-property correlations in Pt/Pd nanocatalysts.
Main Results:
- Current status of Pt/Pd-based ORR electrocatalysts is presented from a nanostructure perspective.
- Key ORR pathways and mechanisms are highlighted for complex nanocatalysts.
- Structure-function relationships are emphasized for catalyst design.
Conclusions:
- Nanostructure engineering is vital for advancing Pt/Pd electrocatalysts in fuel cells.
- A deeper understanding of ORR mechanisms in nanocatalysts is essential.
- This review provides guidance for synthesizing more efficient ORR electrocatalysts.
