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Updated: Mar 26, 2026

Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance

Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance

Published on: April 27, 2018

High-Performance Pd3Pb Intermetallic Catalyst for Electrochemical Oxygen Reduction.

Zhiming Cui¹, Hao Chen¹, Mengtian Zhao¹

¹Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University , Ithaca, New York 14853-1301, United States.

|February 6, 2016

Summary

A new palladium-lead alloy (Pd3Pb/C) shows enhanced activity and durability for oxygen reduction reactions. This advanced electrocatalyst offers improved performance in zinc-air batteries and fuel cells, even with methanol present.

Keywords:

Oxygen reduction reaction intermetallic lead metal−air battery palladium

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Last Updated: Mar 26, 2026

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Area of Science:

Materials Science
Electrochemistry
Energy Storage and Conversion

Background:

Developing efficient and durable electrocatalysts is crucial for advancing metal-air batteries and fuel cells.
Current catalysts, like platinum on carbon (Pt/C), face challenges in activity, durability, and cost.

Purpose of the Study:

To investigate a novel structurally ordered palladium-lead (Pd3Pb) intermetallic compound as a potential electrocatalyst.
To evaluate the performance of Pd3Pb/C in oxygen reduction reactions for energy applications.

Main Methods:

Synthesis of structurally ordered Pd3Pb intermetallic compound supported on carbon (Pd3Pb/C).
Electrochemical characterization of Pd3Pb/C for oxygen reduction reaction (ORR) activity and durability.
Performance testing in zinc-air batteries and alkaline polymer electrolyte membrane fuel cells.

Main Results:

The ordered Pd3Pb/C catalyst demonstrated significantly increased mass activity compared to conventional catalysts.
Pd3Pb/C exhibited superior durability and longer cycle life in zinc-air batteries, leading to higher cell efficiency.
The catalyst showed excellent methanol tolerance, making it suitable for methanol-tolerant cathode applications in fuel cells.

Conclusions:

Structurally ordered Pd3Pb intermetallic compounds represent a highly promising class of electrocatalysts for energy conversion devices.
This study offers a viable synthetic strategy for developing advanced Pd-based intermetallic catalysts for fuel cells and metal-air batteries.