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In‐situ Electrochemical Transformed Cu Oxide from Cu Sulfide for Efficient Upgrading of Biomass Derived 5‐Hydroxymethylfurfural in Anion Exchange Membrane Electrolyzer
Abstract
The electrochemical transformation of biomass to high value-added products is attractive. Herein, Cu sulfide-mediated in-situ synthesis of Cu oxide was achieved for efficient electro-oxidation of biomass derived 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA). The copper foam-supported Cu sulfide (Cu-S/CF) was in-situ converted to Cu oxide during the electro-oxidation process. The in-situ formed Cu oxide presented high HMF conversion, FDCA yield, and faradaic efficiency in 1 m KOH with HMF concentration up to 100 mm. The oxidation of HMF on Cu oxide started with the formation of high-valence Cu species with the assistance of OH - , which then oxidized HMF spontaneously. An anion exchange membrane (AEM) electrolyzer with Cu-S/CF as the anode was assembled to continuously produce FDCA with H 2 generation at the cathode. The AEM electrolyzer ran stably for 60 h with FDCA content higher than 85 % at a cell voltage between 1.50 and 1.60 V.
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Cu has weak OER activity, enabling high Faraday efficiency for HMFOR even at elevated potentials.
“Among them, Cu has attracted considerable research interest because its weak OER activity enables high Faraday efficiency for HMFOR even at elevated potentials [32–34].”
From Synergistically enhanced co-adsorption of OH− and HMF on Cu-modified Ni aerogel for biomass upgrading coupled with hydrogen production (2025) · cites this paper as [34]
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Liu, J., Liu, H., Yang, F., An, J., Sun, S., Sun, Y., Wei, K., Sun, X., Yuan, J., Zhao, M., et al. (2025) · Chemical Engineering Journal · doi:10.1016/j.cej.2025.169807 · Cited by 2
Metadata
- Authors
- Zhao, H., Yue, Y., Fan, Y., Wang, J., Li, W., Wei, F., Liu, M., Yu, Y., Lu, W., & Zhang, G.
- Affiliations
- Jianghan University (CN)
- State Key Laboratory of Precision Blasting Jianghan University 430056 Wuhan P. R. China
- Huazhong Agricultural University (CN)
- Corresponding author
- Zhang, Geng
- Venue
- ChemSusChem
- Publisher
- Wiley
- Published
- 2022-11-08
- Volume
- 15
- Issue
- 23
- Pages
- e202201625-e202201625
- ISSN
- 1864-5631 (ISSN-L)
- 1864-564X
- OpenAlex
- W4300003740
- Cited by
- 27
- References
- 1
- Citations by year
- 2026: 3 · 2025: 10 · 2024: 10 · 2023: 4
- FWCI
- 1.74
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- ChemSusChem (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Chemical Engineering › Catalysis › Catalysis for Biomass Conversion
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Keywords
- 5-hydroxymethylfurfural, 2,5-furandicarboxylic acid, electrochemical oxidation, copper sulfide, anion exchange membrane water electrolyzer, biomass valorization, hydrogen evolution reaction, Faradaic efficiency
- MeSH terms
- Oxides, Sulfides
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