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The Use of Lanthanum-Based Intermetallic Compounds as a Catalyst in the Electrochemical Process of Ammonia Synthesis

Year: 2026

Type: conference-paper

Abstract: Functional materials based on LaCoSi and LaCuSi intermetallic compounds (IMC) were fabricated and tested in the electrocatalytic process of reducing nitrates to ammonia (NO3RR). The method of arc melting in an argon atmosphere was used to synthesize the alloys. The synthesis process is described and analyzed in detail, and the difficulties and advantages are shown. It has been established that when using an LaCuSi-based IMC–alloy as an electrocatalyst, the reduction of nitrates is the predominant reaction. On the contrary, for the LaCoSi (IMC)–alloy electrocatalyst, NO3RR and the hydrogen evolution reaction (HER) occur simultaneously.

Source: International Electronic Conference on Processes (ECP)

DOI: 10.3390/engproc2025117071

Authors: Sergey Nesterenko, Ilja Chernyshev, Irina Kuznetsova, Dmitry Kultin, Olga Lebedeva, Leonid Kustov

Institutions: Lomonosov Moscow State University, Russian Academy of Sciences, N.D. Zelinsky Institute of Organic Chemistry

Language: English

Topic: Ammonia Synthesis and Nitrogen Reduction

Subfield: Catalysis

Field: Chemical Engineering

Domain: Physical Sciences

Open Access status: hybrid

OpenAlex ID: W7140280441

FWCI:

Cites: 5

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Related to: 10