FeNiCo aerogel for oxygen evolution reaction in alkaline systems: Microfluidic and anion exchange membrane electrolyzers
FeNiCo and NiCo aerogels were prepared by a simple and rapid synthesis method. These aerogels were used as catalysts in two systems: microfluidic and anion exchange membrane electrolyzers. These novel catalysts explored the influence of Fe incorporated in a NiCo alloy on the electrochemical water sp...
| Autores: | , , , , , , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión aceptada para publicación |
| Fecha de publicación: | 2025 |
| País: | España |
| Institución: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/401785 |
| Acceso en línea: | http://hdl.handle.net/10261/401785 https://api.elsevier.com/content/abstract/scopus_id/86000445140 |
| Access Level: | acceso abierto |
| Palabra clave: | Water splitting Anion-exchange membrane electrolysis FeNiCo aerogels Microfluidic electrolysis Non-noble electrocatalysts Oxygen evolution reaction http://metadata.un.org/sdg/9 http://metadata.un.org/sdg/7 Ensure access to affordable, reliable, sustainable and modern energy for all Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation |
| Sumario: | FeNiCo and NiCo aerogels were prepared by a simple and rapid synthesis method. These aerogels were used as catalysts in two systems: microfluidic and anion exchange membrane electrolyzers. These novel catalysts explored the influence of Fe incorporated in a NiCo alloy on the electrochemical water splitting. Physico-chemical characterizations were carried out to analyse the structure, morphology and surface composition. The electrochemical performance of FeNiCo for OER evaluated in a microfluidic electrolysis cell demonstrated a hydrogen production of 220 μg s<sup>−1</sup> 10<sup>−7</sup> during 35 h, while an anion exchange membrane electrolyzer with a catalyst-coated membrane using FeNiCo as anode reached a current density of 2.2 A cm<sup>−2</sup> at 2.2 V and 60 °C. A stability test of 24 h at 1 A cm<sup>−2</sup> and 60 °C was successfully carried out. |
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