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Replacing oxygen evolution reaction by glycerol electrooxidation on Rh modified Ni(OH)2/C for energy-efficient hydrogen production
dc.rights.license | open | en_US |
dc.contributor.author | XAVIER, Farlon F.S. | |
hal.structure.identifier | Chimie et Biologie des Membranes et des Nanoobjets [CBMN] | |
dc.contributor.author | CUNHA, Alexandre | |
dc.contributor.author | NAPPORN, Teko | |
dc.contributor.author | OLIVI, Paulo | |
dc.date.accessioned | 2024-04-19T07:07:17Z | |
dc.date.available | 2024-04-19T07:07:17Z | |
dc.date.issued | 2023-09 | |
dc.identifier.issn | 0360-3199 | en_US |
dc.identifier.uri | https://oskar-bordeaux.fr/handle/20.500.12278/199233 | |
dc.description.abstractEn | Oxygen evolution reaction (OER) is a key reaction for the development of green and sus-tainable energy system based in the production of hydrogen by electrolysis. However, the water splitting required a high overpotential for the oxygen evolution reaction. In this work we investigated the use of the Glycerol Electrooxidation Reaction (GEOR) in alkaline solu-tions on Rh/C, Ni(OH)2/C and Rhx{Ni(OH)2}y/C nanocomposites instead of water as a reagent in the anodic reaction in electrolyzers as a way to reduce the cell overpotential and obtain energy savings. The electrocatalysts were prepared by microwave-assisted alcohol reduc-tion method and characterized by X-ray diffraction. The catalysts presented particles with fcc structure for Rh/C, a hexagonal structure for (Ni(OH)2/C), and (Rh0.3{Ni(OH)2}0.7/C) and (Rh0.5{Ni(OH)2}0.5/C) presented mixed structures with brucite and a a-Ni(OH)2/C structure. The electrochemical performance of Rh0.3{Ni(OH)2}0.7/C presented superior density current at low potential in comparison to the other studied materials. The potential value deter-mined for GEOR at 10 mA cm-2 was nearly 1.29 V vs. RHE in a 0.5 mol L-1 glycerol solution that is 0.3 V less than the value obtain Rh/C in the absence on the organic species. The analysis of the products generated after bulk electrolysis using high-performance liquid chromatography demonstrated that at 1.50 V vs. RHE the main reaction products were and tartronate, glyceraldehyde and oxalate, depending on the employed catalytic material. These results demonstrated that value-added products could be obtained as a promising way to valorize by the glycerol electrooxidation besides the energy saving during the electrolysis for the hydrogen production | |
dc.language.iso | EN | en_US |
dc.subject.en | Glycerol electrooxidation; Electrolysis; Nickel-rhodium electrodes | |
dc.title.en | Replacing oxygen evolution reaction by glycerol electrooxidation on Rh modified Ni(OH)2/C for energy-efficient hydrogen production | |
dc.type | Article de revue | en_US |
dc.identifier.doi | 10.1016/j.ijhydene.2023.04.267 | en_US |
dc.subject.hal | Chimie | en_US |
bordeaux.journal | International Journal of Hydrogen Energy | en_US |
bordeaux.page | 31091-31100 | en_US |
bordeaux.volume | 48 | en_US |
bordeaux.hal.laboratories | CBMN : Chimie & de Biologie des Membranes & des Nano-objets - UMR 5248 | en_US |
bordeaux.issue | 80 | en_US |
bordeaux.institution | Université de Bordeaux | en_US |
bordeaux.institution | Bordeaux INP | en_US |
bordeaux.institution | CNRS | en_US |
bordeaux.peerReviewed | oui | en_US |
bordeaux.inpress | non | en_US |
bordeaux.import.source | hal | |
hal.identifier | hal-04285807 | |
hal.version | 1 | |
hal.popular | non | en_US |
hal.audience | Internationale | en_US |
hal.export | false | |
workflow.import.source | hal | |
dc.rights.cc | Pas de Licence CC | en_US |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=International%20Journal%20of%20Hydrogen%20Energy&rft.date=2023-09&rft.volume=48&rft.issue=80&rft.spage=31091-31100&rft.epage=31091-31100&rft.eissn=0360-3199&rft.issn=0360-3199&rft.au=XAVIER,%20Farlon%20F.S.&CUNHA,%20Alexandre&NAPPORN,%20Teko&OLIVI,%20Paulo&rft.genre=article |
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