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A Conceptual Approach for the Design of New Catalysts for Ammonia Synthesis: A Metal—Support Interactions Review

Authors

ARROYO CAIRE, JAVIER, DIAZ PEREZ, MANUEL ANTONIO, LARA ANGULO, MAYRA ANABEL, SERRANO RUIZ, JUAN CARLOS

External publication

No

Means

Nanomaterials

Scope

Review

Nature

Científica

JCR Quartile

SJR Quartile

JCR Impact

4.4

SJR Impact

0.798

Publication date

08/11/2023

ISI

001115372300001

Scopus Id

2-s2.0-85178368157

Abstract

The growing interest in green ammonia production has spurred the development of new catalysts with the potential to carry out the Haber–Bosch process under mild pressure and temperature conditions. While there is a wide experimental background on new catalysts involving transition metals, supports and additives, the fundamentals behind ammonia synthesis performance on these catalysts remained partially unsolved. Here, we review the most important works developed to date and analyze the traditional catalysts for ammonia synthesis, as well as the influence of the electron transfer properties of the so-called 3rd-generation catalysts. Finally, the importance of metal–support interactions is highlighted as an effective pathway for the design of new materials with potential to carry out ammonia synthesis at low temperatures and pressures. © 2023 by the authors.

Keywords

3rd-generation catalysts; electron transfer; green ammonia; mild conditions