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

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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https://hal.univ-lorraine.fr/hal-03042002
Contributor : Maria Vanessa Fierro Pastor Connect in order to contact the contributor
Submitted on : Saturday, December 19, 2020 - 4:38:30 PM
Last modification on : Wednesday, November 3, 2021 - 7:09:46 AM

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Gisele Amaral-Labat, E. Leal da Silva, A. Cuña, C. Malfatti, J. Marcuzzo, et al.. A Sustainable Carbon Material from Kraft Black Liquor as Nickel-Based Electrocatalyst Support for Ethanol Electro-Oxidation. Waste and Biomass Valorization, Springer, 2020, ⟨10.1007/s12649-020-01201-3⟩. ⟨hal-03042002⟩

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