Ni ₄ N Interspersed Ru for Enhanced Hydrogen Oxidation Reaction in Alkaline Medium

Anagha Usha Vijayakumar; Manoj Shanmugasundaram; Vineesh Thazhe Veetil; David Zitoun

doi:10.1039/d6cc01926a

January 1, 2026Chemical CommunicationsOpen Access

Ni ₄ N Interspersed Ru for Enhanced Hydrogen Oxidation Reaction in Alkaline Medium

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Key Points

To evaluate the performance of a novel Pt-free Ru-Ni4N catalyst for hydrogen oxidation in alkaline conditions.
Preparation of Ru-Ni4N/C catalyst through selective nitridation during alloy annealing in NH3.
Comparison of catalytic performance against Pt/C, RuNi alloy, and Ru/C.
Assessment of reaction efficiency in an alkaline medium.
Ru-Ni4N/C catalyst outperforms Pt/C and other tested materials.
Significant enhancement in hydrogen oxidation reaction rates observed.
Implication of effective catalyst design for electrochemical applications.

Implication

Demonstrates improved hydrogen oxidation in alkaline medium using a novel Ru-Ni4N catalyst, suggesting efficiency in fuel cell applications.

Abstract

We report a novel Pt-free Ru-Ni 4 N/C heterostructured catalyst, prepared by selective Ni nitridation during RuNi alloy annealing in NH3. It outperforms Pt/C, RuNi alloy and Ru/C in alkaline hydrogen oxidation...

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Cite This Study

Vijayakumar et al. (2026) studied this question.

synapsesocial.com/papers/69e9b8d485696592c86ebeba https://doi.org/10.1039/d6cc01926a

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Ni ₄ N Interspersed Ru for Enhanced Hydrogen Oxidation Reaction in Alkaline Medium

Key Points

Implication

Abstract

Discussion

Cite This Study

Ni ₄ N Interspersed Ru for Enhanced Hydrogen Oxidation Reaction in Alkaline Medium

Key Points

Implication

Abstract

Discussion

Cite This Study

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