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A Sustainable Carbon Material from Kraft Black Liquor as Nickel-Based Electrocatalyst Support for Ethanol Electro-Oxidation

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Abstract

The present work deals with a new methodology to produce a sustainable carbon material through a simple synthetic route, and its performance as Ni-based electrocatalyst support. Such porous carbon was easily synthesized from the raw Kraft black liquor, a by-product rich in lignin, by chemical polymerization in alkaline medium with a nickel source and subsequent activation by CO2. Nickel nanoparticles were homogeneously distributed in the samples, as revealed by STEM images. XPS analyses and BET method indicated the presence of Ni species in the synthesized material and a micro-mesoporous structure, respectively. The electrochemical characterization in NaOH and NaOH+ ethanol solutions showed that the as-prepared material has the relevant potential to be applied as electrocatalyst for Ethanol Oxidation Reaction (EOR) in alkaline medium.

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Acknowledgements

The authors are especially grateful to PhD. Mariela Pistón- Analytical Chemistry, Grupo de Análisis de Elementos Traza y Desarrollo de Estrategias Simples para Preparación de Muestras (GATPREM), Facultad de Química, Universidad de la República, Montevideo, Uruguay for the determination of Ni.

Funding

This study was supported in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil (CAPES). E. Leal da Silva thanks the Uruguayan Comisión Académica de Posgrado (CAP)-Udelar for the Postdoctoral Fellowship (2018-2020).

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Authors and Affiliations

  1. Department of Metallurgical and Materials Engineering, University of São Paulo, PMT-USP, Avenida Mello Moraes, 2463-Cidade Universitária, São Paulo, SP, CEP 05508-030, Brazil

    Gisele Amaral-Labat & G. F. B. Lenz e Silva

  2. Associated Laboratory of Sensors, Nacional Institute of Space Research - INPE, São José dos Campos, SP, 12227-010, Brazil

    Gisele Amaral-Labat & M. R. Baldan

  3. Area Fisicoquímica, DETEMA, Facultad de Química, Universidad de la República, Avenida General Flores 2124, CC 1157, 11800, Montevideo, Uruguay

    E. Leal da Silva & A. Cuña

  4. LAPEC/PPGE3M, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, setor 4, prédio 75, sala 232, Porto Alegre, RS, 91501-970, Brazil

    E. Leal da Silva & C. F. Malfatti

  5. Federal Institute of São Paulo – IFSP, Campus São José dos Campos, Rod. Pres. Dutra, km 145, São José dos Campos, São Paulo, Brazil

    J. S. Marcuzzo

  6. Institut Jean Lamour - UMR Université de Lorraine – CNRS n°7198, ENSTIB, 27 rue Philippe Séguin, BP 21042, 88051, Épinal cedex 9, France

    A. Celzard & V. Fierro

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  1. Gisele Amaral-Labat
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  2. E. Leal da Silva
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  3. A. Cuña
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  4. C. F. Malfatti
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  5. J. S. Marcuzzo
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  7. A. Celzard
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  9. G. F. B. Lenz e Silva
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Amaral-Labat, G., da Silva, E.L., Cuña, A. et al. A Sustainable Carbon Material from Kraft Black Liquor as Nickel-Based Electrocatalyst Support for Ethanol Electro-Oxidation. Waste Biomass Valor 12, 2507–2519 (2021). https://doi.org/10.1007/s12649-020-01201-3

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