Co-Generation of Hydrogen and FDCA from Biomass-Based HMF in a 3D-Printed Flow Electrolyzer,Industrial & Engineering Chemistry Research

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Co-Generation of Hydrogen and FDCA from Biomass-Based HMF in a 3D-Printed Flow Electrolyzer
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2024-12-02 , DOI: 10.1021/acs.iecr.4c01213
Aditya Singh, Karan Singh, Ram Ji Dixit, Biswajit Samir De, Suddhasatwa Basu

Among all the available resources, biomass is the key renewable resource to capture carbon dioxide from the atmosphere and produce fuels, chemicals, and other value-added products. This work uses an electrochemical process to generate value-added chemicals and hydrogen simultaneously from a biomass-derived platform chemical. A 3D-printed flow electrolyzer is used to study the generation of hydrogen and FDCA (2,5-furandicarboxylic acid) from HMF (5-(hydroxymethyl)furan-2-carbaldehyde) using an alkaline electrolyte based on the principles of electrochemical oxidation. A 3D-printed electrolytic cell is designed with a channel size of 55 mm × 55 mm × 6 mm and an electrocatalyst area of 6.25 cm² in the form of an anode and cathode. In this work, gold-sputtered nickel foam is used as an anode, while platinum-sputtered nickel foam is used as a cathode. A single pass through the electrolyzer yields 130 μmol/(h cm²) of hydrogen gas at ambient temperature and pressure, along with 46 μmol/(h cm²) of FDCA. A maximum value of 80% conversion of HMF is obtained at a flow rate of 0.5 mL/min in a single pass with a potential bias of 3.5 V. This work opens the pathways for incorporating a microflow electrolyzer to coproduce FDCA and hydrogen from biomass-derived HMF.

更新日期：2024-12-02

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