Electrochemical valorization of HMF using Ni/Graphite electrodes

David Carvajal; Ramón Arcas; Laxman Gouda; Francisco Fabregat-Santiago; Elena Mas-Marzá

doi:10.1016/j.matchemphys.2023.128510

Electrochemical valorization of HMF using Ni/Graphite electrodes

David Carvajal, Ramón Arcas, Laxman Gouda, Francisco Fabregat-Santiago, Elena Mas-Marzá

Jaume I University

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

The electrooxidation of 5-hydroxymethylfurfural (HMF) into 2,5- furandicarboxilic acid (FDCA) has been successfully accomplished using cost-effective NiO–OH electrodes, prepared through Ni electrodeposition on pencil graphite rods (Ni/PGR). Through meticulous optimization of the reaction conditions to prevent HMF degradation, we achieved almost complete conversion of HMF into FDC, in less than 2 h, with a remarkable 88 % Faraday efficiency. Electrochemical analyses have confirmed that our Ni(OH)₂/NiOOH^• catalyst requires a 0.16 V lower overpotential for HMF oxidation compared to water oxidation. Fitting the Impedance Spectroscopy (IS) spectra of the system have allowed us to elucidate, the details of the electrical response associated to HMF oxidation. These studies have revealed that following HMF activation, the surface of the Ni/PGR electrode remains coated with the reaction intermediates, thus triggering the complete oxidation to FDCA.

Original language	English
Article number	128510
Journal	Materials Chemistry and Physics
Volume	311
DOIs	https://doi.org/10.1016/j.matchemphys.2023.128510
State	Published - 1 Jan 2024
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2023

Funding

The authors want to acknowledge the projects ECOCAT ref. PID2020-116093RB-C41, funded by MCIN/AEI/10.13039/501100011033; UJI-B2022-33, funded by University Jaume I; and PROMETEO/2020/028, funded by Generalitat Valenciana. D.C. and L.G. acknowledge Generalitat Valenciana for grants GRISOLIAP/2019/057 and GRISOLIAP/2018/A/070, respectively. The authors thank Servicio Central de Instrumentación Científica (SCIC) from Universitat Jaume I for SEM and EDS measurements. The authors want to acknowledge the projects ECOCAT ref. PID2020-116093RB-C41, funded by MCIN/AEI/10.13039/501100011033 ; UJI-B2022-33 , funded by University Jaume I ; and PROMETEO/2020/028 , funded by Generalitat Valenciana . D.C. and L.G. acknowledge Generalitat Valenciana for grants GRISOLIAP/2019/057 and GRISOLIAP/2018/A/070 , respectively. The authors thank Servicio Central de Instrumentación Científica (SCIC) from Universitat Jaume I for SEM and EDS measurements.

Funders	Funder number
Servicio Central de Instrumentación Científica
Generalitat Valenciana	GRISOLIAP/2018/A/070, GRISOLIAP/2019/057
Universitat Jaume I	PROMETEO/2020/028

Keywords

Biomass
Electrochemistry
FDCA
HMF
Impedance spectroscopy
Ni-based electrodes

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10.1016/j.matchemphys.2023.128510

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title = "Electrochemical valorization of HMF using Ni/Graphite electrodes",

abstract = "The electrooxidation of 5-hydroxymethylfurfural (HMF) into 2,5- furandicarboxilic acid (FDCA) has been successfully accomplished using cost-effective NiO–OH electrodes, prepared through Ni electrodeposition on pencil graphite rods (Ni/PGR). Through meticulous optimization of the reaction conditions to prevent HMF degradation, we achieved almost complete conversion of HMF into FDC, in less than 2 h, with a remarkable 88 % Faraday efficiency. Electrochemical analyses have confirmed that our Ni(OH)2/NiOOH• catalyst requires a 0.16 V lower overpotential for HMF oxidation compared to water oxidation. Fitting the Impedance Spectroscopy (IS) spectra of the system have allowed us to elucidate, the details of the electrical response associated to HMF oxidation. These studies have revealed that following HMF activation, the surface of the Ni/PGR electrode remains coated with the reaction intermediates, thus triggering the complete oxidation to FDCA.",

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author = "David Carvajal and Ram{\'o}n Arcas and Laxman Gouda and Francisco Fabregat-Santiago and Elena Mas-Marz{\'a}",

note = "Publisher Copyright: {\textcopyright} 2023",

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doi = "10.1016/j.matchemphys.2023.128510",

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AU - Carvajal, David

AU - Arcas, Ramón

AU - Gouda, Laxman

AU - Fabregat-Santiago, Francisco

AU - Mas-Marzá, Elena

PY - 2024/1/1

Y1 - 2024/1/1

N2 - The electrooxidation of 5-hydroxymethylfurfural (HMF) into 2,5- furandicarboxilic acid (FDCA) has been successfully accomplished using cost-effective NiO–OH electrodes, prepared through Ni electrodeposition on pencil graphite rods (Ni/PGR). Through meticulous optimization of the reaction conditions to prevent HMF degradation, we achieved almost complete conversion of HMF into FDC, in less than 2 h, with a remarkable 88 % Faraday efficiency. Electrochemical analyses have confirmed that our Ni(OH)2/NiOOH• catalyst requires a 0.16 V lower overpotential for HMF oxidation compared to water oxidation. Fitting the Impedance Spectroscopy (IS) spectra of the system have allowed us to elucidate, the details of the electrical response associated to HMF oxidation. These studies have revealed that following HMF activation, the surface of the Ni/PGR electrode remains coated with the reaction intermediates, thus triggering the complete oxidation to FDCA.

AB - The electrooxidation of 5-hydroxymethylfurfural (HMF) into 2,5- furandicarboxilic acid (FDCA) has been successfully accomplished using cost-effective NiO–OH electrodes, prepared through Ni electrodeposition on pencil graphite rods (Ni/PGR). Through meticulous optimization of the reaction conditions to prevent HMF degradation, we achieved almost complete conversion of HMF into FDC, in less than 2 h, with a remarkable 88 % Faraday efficiency. Electrochemical analyses have confirmed that our Ni(OH)2/NiOOH• catalyst requires a 0.16 V lower overpotential for HMF oxidation compared to water oxidation. Fitting the Impedance Spectroscopy (IS) spectra of the system have allowed us to elucidate, the details of the electrical response associated to HMF oxidation. These studies have revealed that following HMF activation, the surface of the Ni/PGR electrode remains coated with the reaction intermediates, thus triggering the complete oxidation to FDCA.

KW - Biomass

KW - Electrochemistry

KW - FDCA

KW - HMF

KW - Impedance spectroscopy

KW - Ni-based electrodes

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Electrochemical valorization of HMF using Ni/Graphite electrodes

Abstract

Bibliographical note

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Keywords

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