Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 680, P. 453 - 458
Published: Nov. 6, 2024
Language: Английский
Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(17), P. 8563 - 8631
Published: Jan. 1, 2024
Ionic liquids (ILs) and deep eutectic solvents (DESs) have tremendous potential for reactive capture of CO 2 , due to their highly properties, including a wide electrochemical stability window, low volatility, high solubility.
Language: Английский
Citations
23
Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160155 - 160155
Published: Feb. 1, 2025
Language: Английский
Citations
2
Advanced Science, Journal Year: 2025, Volume and Issue: unknown
Published: Feb. 27, 2025
Abstract The electrocatalytic conversion of CO 2 into valuable multi‐carbon (C 2+ ) products using Cu‐based catalysts has attracted significant attention. This review provides a comprehensive overview recent advances in catalyst design to improve C selectivity and operational stability. It begins with an analysis the fundamental reaction pathways for formation, encompassing both established emerging mechanisms, which offer critical insights design. In situ techniques, essential validating these by real‐time observation intermediates material evolution, are also introduced. A key focus this is placed on how enhance through manipulation, particularly emphasizing catalytic site construction promote C─C coupling via increasing * coverage optimizing protonation. Additionally, challenge maintaining activity under conditions discussed, highlighting reduction active charged Cu species materials reconstruction as major obstacles. To address these, describes strategies preserve sites control including novel utilization mitigation reconstruction. By presenting developments challenges ahead, aims guide future conversion.
Language: Английский
Citations
1
Advanced Science, Journal Year: 2024, Volume and Issue: 11(22)
Published: March 27, 2024
Abstract The electroreduction of carbon dioxide (CO 2 ) to multi‐carbon (C 2+ compounds offers a viable approach for the up‐conversion greenhouse gases into valuable fuels and feedstocks. Nevertheless, current industrial applications face limitations due unsatisfactory conversion efficiency high overpotential. Herein, facile scalable plasma fluorination method is reported. Concurrently, self‐evolution during CO employed control active sites Cu catalysts. copper catalyst modified with fluorine exhibits an impressive C Faradaic (FE) 81.8% at low potential −0.56 V (vs reversible hydrogen electrode) in alkaline flow cell. presence leads exposure stabilization high‐activity + species, enhancing adsorption *CO intermediates generation *CHO, facilitating subsequent dimerization. This results notably improved 13.1% significant reduction overpotential (≈100 mV) products. Furthermore, superior FE 81.6% 250 mA cm −2 , coupled energy 31.0%, can be achieved two‐electrode membrane electrode assembly electrolyzer utilizing fluorine‐modified catalyst. strategy provides novel insights controllable electronic modification surface reconstruction electrocatalysts practical potential.
Language: Английский
Citations
7
Advanced Science, Journal Year: 2025, Volume and Issue: unknown
Published: March 16, 2025
Abstract Accelerating the commercialization of CO 2 electroreduction is essential for carbon utilization, yet it faces challenges precious metal catalysts cost and scaling‐up corresponding devices. In this study, a low‐cost tri‐coordinated single‐atom catalyst (SAC) with Ni‐N3 center fabricated in gram‐scale using ionic liquids as precursor. The SAC (g‐NiN3) achieves efficient to (eCO ‐to‐CO) maximum Faradaic efficiency 98.9% at 2.8 V × cm membrane electrode assembly (MEA) cell, selectivity exceeds 90% during 100 h electrolysis mA·cm −2 . Moreover, g‐NiN3 tested scale‐up MEA reactor (10 10 ), which can not only show 97.1% reaction current 6.07 A but also single‐pass conversion 41.0%, energy system high 43.1%. overall performance one state‐of‐the‐art systems eCO ‐to‐CO. addition, device stably generates rate 12.0 L·kW·h −1 over continuous electrolysis. techno‐economic assessment demonstrates that ‐to‐CO realize production 1.08 $·kg , shows great profitability prospects future.
Language: Английский
Citations
0
Nano Letters, Journal Year: 2025, Volume and Issue: unknown
Published: May 12, 2025
Cu-based gas diffusion electrodes (GDEs) hold the potential to produce carbon-neutral fuels and value-added chemicals from CO2 greenhouse at substantial current densities, yet they are challenged by sluggish reaction kinetics toward C2+ product production fierce competition of H2 evolution electrowetted/flooded catalyst layers. Herein, we develop a roughened hydrophobic Cu/PTFE GDE via CF4 plasma bombardment demonstrate its effectiveness in facilitating CO2-to-C2H4 valorization. Online electrochemical mass spectrometry reveals that enhanced C2H4 electrosynthesis is correlated with increased rates consumption CO utilization, as well reduction generation upon CFx modification. Molecular dynamics simulations highlight significant promotional effect electrolyte management sustaining high local [CO2]/[H2O] ratio near CFx-Cu surface, where improved C-C coupling attributable abundant Cuδ+ sites adjacent surface-bonded fluorocarbons electron-withdrawing character.
Language: Английский
Citations
0
Journal of Materials Chemistry A, Journal Year: 2024, Volume and Issue: 12(33), P. 21864 - 21872
Published: Jan. 1, 2024
A facile, scalable, standardized and controllable synthesis method for highly active catalysts electrocatalytic CO 2 reduction is demonstrated with well-controlled magnetron sputtering plasma treatment under different atmospheres.
Language: Английский
Citations
3
Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 680, P. 453 - 458
Published: Nov. 6, 2024
Language: Английский
Citations
2