André Ferreira Silveira, João Vitor Silva Urbano, Josiane Dantas Costa, José Anderson Machado Oliveira, Ana Regina Nascimento Campos, Renato Alexandre Costa de Santana
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引用次数: 0
Abstract
The development of electrocatalysts composed of abundant materials capable of supporting large-scale green hydrogen production has gained prominence due to the global energy transition. Electrodeposition is one of the most used methods for fabricating these materials, particularly Ni-Co-based alloys, due to their low cost, ease of processing, and controllability of operational parameters. This study conducted a systematic literature review to evaluate recent research on the effects of different ternary alloying elements in Ni-Co-based electrocatalysts and their impact on electrocatalytic properties for the hydrogen evolution reaction (HER). The methodology involved defining keywords and search strings, searching the Scopus Preview and ScienceDirect databases, and selecting primary research articles from 2019 to 2025. Inclusion and exclusion criteria narrowed the selection to ten articles. The analysis identified four key performance parameters used by authors to evaluate catalytic performance: overpotential (η), Tafel slope (b), charge transfer resistance (Rct), and electrochemically active surface area (ECSA). The addition of ternary elements to Ni-Co alloys primarily aims to enhance one or more of these factors. Graphical comparisons revealed emerging trends, such as metal–organic frameworks (MOFs) and alternative materials like cerium dioxide, leading to electrodes with performance comparable to platinum.
期刊介绍：
Electrocatalysis is cross-disciplinary in nature, and attracts the interest of chemists, physicists, biochemists, surface and materials scientists, and engineers. Electrocatalysis provides the unique international forum solely dedicated to the exchange of novel ideas in electrocatalysis for academic, government, and industrial researchers. Quick publication of new results, concepts, and inventions made involving Electrocatalysis stimulates scientific discoveries and breakthroughs, promotes the scientific and engineering concepts that are critical to the development of novel electrochemical technologies.
Electrocatalysis publishes original submissions in the form of letters, research papers, review articles, book reviews, and educational papers. Letters are preliminary reports that communicate new and important findings. Regular research papers are complete reports of new results, and their analysis and discussion. Review articles critically and constructively examine development in areas of electrocatalysis that are of broad interest and importance. Educational papers discuss important concepts whose understanding is vital to advances in theoretical and experimental aspects of electrochemical reactions.
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