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Mechanisms of Furfural Reduction on Metal Electrodes: Distinguishing Pathways for Selective Hydrogenation of Bioderived Oxygenates

Journal Article · · Journal of the American Chemical Society
DOI:https://doi.org/10.1021/jacs.7b06331· OSTI ID:1394816
 [1];  [1];  [2];  [1];  [3];  [2];  [1]
  1. Iowa State Univ., Ames, IA (United States). Dept. of Chemical and Biological Engineering; Ames Lab., Ames, IA (United States)
  2. Iowa State Univ., Ames, IA (United States). Dept. of Chemical and Biological Engineering; Ames Lab., Ames, IA (United States); NSF Engineering Research Center for Biorenewable Chemicals (CBiRC), Ames, IA (United States)
  3. Iowa State Univ., Ames, IA (United States). Dept. of Chemical and Biological Engineering; NSF Engineering Research Center for Biorenewable Chemicals (CBiRC), Ames, IA (United States)
Electrochemical reduction of biomass-derived platform molecules is an emerging route for the sustainable production of fuels and chemicals. Understanding gaps between reaction conditions, underlying mechanisms, and product selectivity have limited the rational design of active, stable, and selective catalyst systems. Here, the mechanisms of electrochemical reduction of furfural, an important biobased platform molecule and model for aldehyde reduction, are explored through a combination of voltammetry, preparative electrolysis, thiol-electrode modifications, and kinetic isotope studies. It is demonstrated that two distinct mechanisms are operable on metallic Cu electrodes in acidic electrolytes: (i) electrocatalytic hydrogenation (ECH) and (ii) direct electroreduction. The contributions of each mechanism to the observed product distribution are clarified by evaluating the requirement for direct chemical interactions with the electrode surface and the role of adsorbed hydrogen. Further analysis reveals that hydrogenation and hydrogenolysis products are generated by parallel ECH pathways. By understanding the underlying mechanisms it enables the manipulation of furfural reduction by rationally tuning the electrode potential, electrolyte pH, and furfural concentration to promote selective formation of important biobased polymer precursors and fuels.
Research Organization:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Organization:
National Science Foundation (NSF); USDOE
Grant/Contract Number:
AC02-07CH11358
OSTI ID:
1394816
Report Number(s):
IS-J--9446
Journal Information:
Journal of the American Chemical Society, Journal Name: Journal of the American Chemical Society Journal Issue: 40 Vol. 139; ISSN 0002-7863
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English

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  • Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, Vol. 22, Issue 4 https://doi.org/10.1116/1.1763901
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Cited By (23)

Efficient Electrocatalytic Reduction of Furfural to Furfuryl Alcohol in a Microchannel Flow Reactor journal February 2019
Highly selective electrochemical hydrogenation of alkynes: Rapid construction of mechanochromic materials journal May 2019
Biomass Valorization via Paired Electrosynthesis Over Vanadium Nitride‐Based Electrocatalysts journal August 2019
Electrochemically Tunable Proton‐Coupled Electron Transfer in Pd‐Catalyzed Benzaldehyde Hydrogenation journal December 2019
Electrochemically Tunable Proton‐Coupled Electron Transfer in Pd‐Catalyzed Benzaldehyde Hydrogenation journal January 2020
Preparation of highly phenol substituted bio-oil-phenol-formaldehyde adhesives with enhanced bonding performance using furfural as crosslinking agent journal September 2018
Photocatalytic Hydrodehalogenation for the Removal of Halogenated Aromatic Contaminants journal October 2018
Identification of More Benign Cathode Materials for the Electrochemical Reduction of Levulinic Acid to Valeric Acid journal July 2019
Voltammetric H/D Isotope Effects on Redox‐Active Small Molecules Conjugated with DNA Self‐Assembled Monolayers journal September 2019
Selective Hydrogenation of Furfural in a Proton Exchange Membrane Reactor Using Hybrid Pd/Pd Black on Alumina journal October 2019
Selective Hydrogenation of Furfural in a Proton Exchange Membrane Reactor Using Hybrid Pd/Pd Black on Alumina journal October 2019
Electrocatalytic Upgrading of Biomass‐Derived Intermediate Compounds to Value‐Added Products journal June 2018
A General Technoeconomic Model for Evaluating Emerging Electrolytic Processes journal December 2019
Structural principles to steer the selectivity of the electrocatalytic reduction of aliphatic ketones on platinum journal March 2019
Spectroscopic characterization of a highly selective NiCu 3 /C hydrodeoxygenation catalyst journal January 2018
Defining Pt-compressed CO 2 synergy for selectivity control of furfural hydrogenation journal January 2018
Surface engineering in PbS via partial oxidation: towards an advanced electrocatalyst for reduction of levulinic acid to γ-valerolactone journal January 2019
The selective hydrogenation of furfural over intermetallic compounds with outstanding catalytic performance journal January 2019
Recent advances in hydrodeoxygenation of biomass-derived oxygenates over heterogeneous catalysts journal January 2019
Paired electrocatalytic hydrogenation and oxidation of 5-(hydroxymethyl)furfural for efficient production of biomass-derived monomers journal January 2019
An electrocatalytic route for transformation of biomass-derived furfural into 5-hydroxy-2(5 H )-furanone journal January 2019
Supported palladium membrane reactor architecture for electrocatalytic hydrogenation journal January 2019
Recent Advances in Catalytic Hydrogenation of Furfural journal September 2019

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