Difei Xiao, Xiaolei Bao, Dujuan Dai, Yugang Gao, Shenghe Si, Zeyan Wang, Yuanyuan Liu, Peng Wang, Zhaoke Zheng, Hefeng Cheng, Ying Dai, Baibiao Huang

Boosting the Electrochemical 5‐Hydroxymethylfurfural Oxidation by Balancing the Competitive Adsorption of Organic and OH− over Controllable Reconstructed Ni3S2/NiOx

  • Mechanical Engineering
  • Mechanics of Materials
  • General Materials Science
Save to CiteDrive Show PDF

AbstractThe electrocatalytic oxidation of 5‐hydroxymethylfurfural (HMF) is a promising method for the efficient production of biomass‐derived high‐value‐added chemicals. However, its practical application is limited by: 1) the low activity and selectivity caused by the competitive adsorption of HMF and OH− and 2) the low operational stability caused by the uncontrollable reconstruction of the catalyst. To overcome these limitations, a series of Ni3S2/NiOx‐n catalysts with controllable compositions and well‐defined structures are synthesized using a novel in situ controlled surface reconstruction strategy. The adsorption behavior of HMF and OH− can be continuously adjusted by varying the ratio of NiOx to Ni3S2 on the catalysts surface, as indicated by in situ characterizations, contact angle analysis, and theoretical simulations. Owing to the balanced competitive adsorption of HMF and OH−, the optimized Ni3S2/NiOx‐15 catalyst exhibited remarkable HMF electrocatalytic oxidation performance, with the current density reaching 366 mA cm−2 at 1.5 VRHE and the Faradaic efficiency of the product, 2,5‐furanedicarboxylic acid, reaching 98%. Moreover, Ni3S2/NiOx‐15 exhibits excellent durability, with its activity and structure remaining stable for over 100 h of operation. This study provides a new route for the design and construction of catalysts for value‐added biomass conversion and offers new insights into enhancing catalytic performance by balancing competitive adsorption.

Need a simple solution for managing your BibTeX entries? Explore CiteDrive!

  • Web-based, modern reference management
  • Collaborate and share with fellow researchers
  • Integration with Overleaf
  • Comprehensive BibTeX/BibLaTeX support
  • Save articles and websites directly from your browser
  • Search for new articles from a database of tens of millions of references
Try out CiteDrive

More from our Archive