Highly selective cathodic H2O2 electrosynthesis by a metal tellurate/carbon black composite material
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Title: | Highly selective cathodic H2O2 electrosynthesis by a metal tellurate/carbon black composite material |
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Authors: | Alemany Molina, Gabriel | Fernández-Catalá, Javier | Cao, Wei | Morallon, Emilia | Cazorla-Amorós, Diego |
Research Group/s: | Materiales Carbonosos y Medio Ambiente | Electrocatálisis y Electroquímica de Polímeros |
Center, Department or Service: | Universidad de Alicante. Departamento de Química Inorgánica | Universidad de Alicante. Departamento de Química Física | Universidad de Alicante. Instituto Universitario de Materiales |
Keywords: | H2O2 electrosynthesis | Ni3TeO6 | Metal tellurate | Carbon black | Oxygen reduction reaction |
Issue Date: | 20-Dec-2023 |
Publisher: | Elsevier |
Citation: | Materials Today Chemistry. 2024, 35: 101858. https://doi.org/10.1016/j.mtchem.2023.101858 |
Abstract: | One sustainable alternative to the traditional anthraquinone technology to produce H2O2 is direct H2O2 electrosynthesis by oxygen reduction reaction (ORR). However, selecting electrocatalysts is a great challenge since most of the materials present selectivity towards the formation of H2O (4-electron pathway). In this work, we present a facile electrocatalyst preparation consisting of Ni3TeO6 (NTO), a metal tellurate, mixed with carbon black (Vulcan) with outstanding selectivity (2.2 transferred electrons) towards the production of H2O2 by ORR. To test the possible real application, the NTO/Vulcan catalyst was tested in a long-term stability test showing excellent faradaic efficiency and 93.5 % of the initial current. TEM and XPS measurements after reaction show that NTO/Vulcan materials are robust and durable electrocatalysts. This work opens the door of novel materials such as metal tellurates based on Ni for their application as ORR electrocatalysts in industrial applications. |
Sponsor: | This work was support by PID2021-123079OB-I00 project funded by MCIN/AEI/10.13039/501100011033, “ERDF A way of making Europe” and the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (grant agreement no. 101002219). GAM thanks Ministerio de Universidades for the FPU20/03969 grant. JFC thanks MARSALAS21-09 contract funded by MCIN/AEI/10.13039/501100011033 and, European Union NextGenerationEU/PRTR. |
URI: | http://hdl.handle.net/10045/139704 |
ISSN: | 2468-5194 |
DOI: | 10.1016/j.mtchem.2023.101858 |
Language: | eng |
Type: | info:eu-repo/semantics/article |
Rights: | © 2024 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
Peer Review: | si |
Publisher version: | https://doi.org/10.1016/j.mtchem.2023.101858 |
Appears in Collections: | Research funded by the EU INV - MCMA - Artículos de Revistas INV - GEPE - Artículos de Revistas |
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File | Description | Size | Format | |
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Alemany-Molina_etal_2024_MaterTodayChem_final.pdf | 5,17 MB | Adobe PDF | Open Preview | |
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