Journal of Rare Earths, Год журнала: 2025, Номер unknown
Опубликована: Фев. 1, 2025
Язык: Английский
Advanced Science, Год журнала: 2022, Номер 10(4)
Опубликована: Дек. 8, 2022
The conversion of biomass is a favorable alternative to the fossil energy route solve crisis and environmental pollution. As one most versatile platform compounds, 5-hydroxymethylfural (HMF) can be transformed various value-added chemicals via electrolysis combining with renewable energy. Here, recent advances in electrochemical oxidation HMF, from reaction mechanism reactor design are reviewed. First, pathway summarized systematically. Second, parameters easy ignored emphasized discussed. Then, electrocatalysts reviewed comprehensively for different products reactors introduced. Finally, future efforts on exploring mechanism, electrocatalysts, prospected. This review provides deeper understanding electrocatalyst reactor, which expected promote economical efficient industrial applications.
Язык: Английский
Процитировано
108
Advanced Energy Materials, Год журнала: 2023, Номер 14(2)
Опубликована: Ноя. 21, 2023
Abstract Electrocatalytic biomass valorization coupled with hydrogen production provides an efficient and economical way to achieve a zero‐carbon economy. Ni‐based electrocatalysts are promising candidates due their intrinsic redox capabilities, but the rational design of active Ni site coordination is still huge challenge. Herein, combined strategies surface reconstruction heteroatom doping adopted modify 3 S 2 pre‐catalysts obtained bimetallic catalyst exhibits superior electrocatalytic performance toward 5‐hydroxymethylfurfural (HMF) oxidation 2,5‐furanedicarboxylic acid (FDCA). Specifically, oxysulfide‐coordinated amorphous NiOOH (NiOOH‐SO x ) phase in situ constructed following anionic regulation mechanism, which endows numerous defects unsaturated sites for anodic HMF oxidation. Cu further modulates electronic structure abundant Lewis acidic sites, offering advanced capability adsorption. Several operando characterization techniques (in Raman, infrared, electrochemical impedance spectroscopies) performed disclose reaction pathway structure‐activity‐potential relationship. Theoretical results demonstrate that oxyanionic effectively modulate local environment correspondingly tailor intermediate adsorption behavior then promote kinetics. Moreover, two‐electrode system assembled pair cathode production, demonstrating better energy conversion efficiency.
Язык: Английский
Процитировано
53
Advanced Energy Materials, Год журнала: 2024, Номер 14(30)
Опубликована: Май 27, 2024
Abstract Electrochemical water splitting is a promising technique for the production of high‐purity hydrogen. Substituting slow anodic oxygen evolution reaction with an oxidation that thermodynamically more favorable enables energy‐efficient Moreover, this approach facilitates degradation environmental pollutants and synthesis value‐added chemicals through rational selection small molecules as substrates. Strategies small‐molecule electrocatalyst design are critical to electrocatalytic performance, focus on achieving high current density, selectivity, Faradaic efficiency, operational durability. This perspective discusses key factors required further advancement, including technoeconomic analysis, new reactor system design, meeting requirements industrial applications, bridging gap between fundamental research practical product detection separation. aims advance development hybrid electrolysis applications.
Язык: Английский
Процитировано
43
Advanced Materials, Год журнала: 2024, Номер unknown
Опубликована: Июнь 10, 2024
Abstract Electrocatalytic water splitting driven by sustainable energy is a clean and promising water‐chemical fuel conversion technology for the production of high‐purity green hydrogen. However, sluggish kinetics anodic oxygen evolution reaction (OER) pose challenges large‐scale hydrogen production, limiting its efficiency safety. Recently, OER has been replaced nucleophilic oxidation (NOR) with biomass as substrate coupled (HER), which attracted great interest. Anode NOR offers faster kinetics, generates high‐value products, reduces consumption. By coupling reaction, can be enhanced while yielding products or degrading pollutants. Therefore, NOR‐coupled HER another new electrolytic strategy after significance realizing development global decarbonization. This review explores potential reactions an alternative to delves into mechanisms, guiding future research in production. It assesses different methods, analyzing pathways catalyst effects. Furthermore, it evaluates role electrolyzers industrialized discusses prospects challenges. comprehensive aims advance efficient economical
Язык: Английский
Процитировано
43
Nature Communications, Год журнала: 2024, Номер 15(1)
Опубликована: Июль 13, 2024
Abstract Challenges in direct catalytic oxidation of biomass-derived aldehyde and alcohol into acid with high activity selectivity hinder the widespread biomass application. Herein, we demonstrate that a Pd/Ni(OH) 2 catalyst abundant Ni 2+ -O-Pd interfaces allows electrooxidation 5-hydroxymethylfurfural to 2, 5-furandicarboxylic near 100 % yield 97.3% at 0.6 volts (versus reversible hydrogen electrode) 1 M KOH electrolyte under ambient conditions. The rate-determining step intermediate 5-hydroxymethyl-2-furancarboxylic is promoted by increased OH species low C–H activation energy barrier interfaces. Further, prevent agglomeration Pd nanoparticles during reaction, greatly improving stability catalyst. In this work, can achieve 100% conversion >90% flow-cell work stably over 200 h fixed cell voltage 0.85 V.
Язык: Английский
Процитировано
27
ACS Catalysis, Год журнала: 2024, Номер 14(12), С. 9565 - 9574
Опубликована: Июнь 10, 2024
Язык: Английский
Процитировано
21
Advanced Science, Год журнала: 2025, Номер unknown
Опубликована: Янв. 7, 2025
Abstract Overall water splitting (OWS) to produce hydrogen has attracted large attention in recent years due its ecological‐friendliness and sustainability. However, the efficiency of OWS been forced by sluggish kinetics four‐electron oxygen evolution reaction (OER). The replacement OER alternative electrooxidation small molecules with more thermodynamically favorable potentials may fundamentally break limitation achieve production low energy consumption, which also be accompanied value‐added chemicals than or electrochemical degradation pollutants. This review critically assesses latest discoveries coupled various OWS, including alcohols, aldehydes, amides, urea, hydrazine, etc. Emphasis is placed on corresponding electrocatalyst design related mechanisms (e.g., dual hydrogenation N–N bond breaking hydrazine C═N regulation urea inhibit hazardous NCO − NO productions, etc.), along emerging reactions (electrooxidation tetrazoles, furazans, iodide, quinolines, ascorbic acid, sterol, trimethylamine, etc.). Some new decoupled electrolysis self‐powered systems are discussed detail. Finally, potential challenges prospects highlighted aid future research directions.
Язык: Английский
Процитировано
6
Energy & Environmental Science, Год журнала: 2025, Номер unknown
Опубликована: Янв. 1, 2025
A ligand-modified catalyst, Ni(OH) 2 –TPA, is synthesized for efficient HMF oxidation, wherein the uncoordinated carboxylate functions as proton relay center, enabling continuous oxidation in a flowing system.
Язык: Английский
Процитировано
5
Small, Год журнала: 2025, Номер unknown
Опубликована: Янв. 14, 2025
Abstract Electrochemical oxidation of 5‐hydroxymethylfurfural (HMFOR) to generate high‐value chemicals under mild conditions acts as an energy‐saving and sustainable strategy. However, it is still challenging develop electrocatalysts with high efficiency good durability. Here, nickel foam (NF) supported CoCrCe(7.5%)‐LDH (layered double hydroxides) by doping Ce into CoCr‐LDH show (HMF) conversion (99%), 2,5‐furandicarboxylic acid (FDCA) yield Faraday (100%) at 1.4 V RHE . The also exhibits remarkable stability 97% HMF after 10 cycles. X‐ray absorption near‐edge spectroscopy (XANES) theoretical calculation that beneficial the formation high‐valance Co significantly facilitates electron transfer, regulates adsorption behavior intermediates, reduces Gibbs free energy barrier accelerates reaction rate. This work promotes use rare earth elements promote HMF.
Язык: Английский
Процитировано
3
Advanced Sustainable Systems, Год журнала: 2025, Номер unknown
Опубликована: Фев. 5, 2025
Abstract As a pivotal bio‐based building block, 2,5‐furandicarboxylic acid (FDCA) holds immense and broad application potential in the chemistry industry. Its polymeric derivative, polyethylene furandicarboxylate (PEF), emerges as an appealing alternative to conventional petroleum‐based terephthalate (PET). The electrochemical route for oxidizing 5‐hydroxymethylfurfural (HMF) into FDCA presents significant advantages over thermochemical processes, without requirements of high temperature, pressure, chemical oxidants, precious metal catalysts, featuring higher energy efficiency. Furthermore, electrosynthesis at anode can be synergistically integrated with selective reduction reactions cathode, enabling simultaneous production two desirable value‐added products further enhancing overall utilization This work reviews advancements electrocatalytic HMF (EHTF), encompassing catalyst design, reaction mechanisms, coupling strategies, reactor configurations. It also indicates challenges opportunities EHTF provides insights future development directions.
Язык: Английский
Процитировано
3