Self‐Polarization Triggered Multiple Polar Units Toward Electrochemical Reduction of CO2 to Ethanol with High Selectivity DOI
Yangyang Zhang, Yanxu Chen, Xiaowen Wang

et al.

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(26)

Published: April 28, 2023

Electrochemical conversion of CO2 to highly valuable ethanol has been considered a intriguring strategy for carbon neutruality. However, the slow kinetics coupling carbon-carbon (C-C) bonds, especially low selectivity than ethylene in neutral conditions, is significant challenge. Herein, asymmetrical refinement structure with enhanced charge polarization built vertically oriented bimetallic organic frameworks (NiCu-MOF) nanorod array encapsulated Cu2 O (Cu2 O@MOF/CF), which can induce an intensive internal electric field increase C-C producing electrolyte. Particularly, when directly employed O@MOF/CF as self-supporting electrode, faradaic efficiency (FEethanol ) could reach maximum 44.3 % energy 27 at working-potential -0.615 V versus reversible hydrogen electrode (vs. RHE) using -saturated 0.5 M KHCO3 Experimental and theoretical studies suggest that atomically localized fields derived from asymmetric electron distribution tune moderate adsorption *CO assist reduce formation H2 CCHO*-to-*OCHCH3 generation ethanol. Our research offers reference design active selective electrocatalysts reducing multicarbon chemicals.

Language: Английский

Cu-Zn-based alloy/oxide interfaces for enhanced electroreduction of CO2 to C2+ products DOI
Ziyang Zhang, Hao Tian, Lei Bian

et al.

Journal of Energy Chemistry, Journal Year: 2023, Volume and Issue: 83, P. 90 - 97

Published: May 11, 2023

Language: Английский

Citations

146
Multiscale CO2 Electrocatalysis to C2+ Products: Reaction Mechanisms, Catalyst Design, and Device Fabrication DOI
Tianxiang Yan, Xiaoyi Chen,

Lata Kumari

et al.

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(17), P. 10530 - 10583

Published: Aug. 17, 2023

Electrosynthesis of value-added chemicals, directly from CO2, could foster achievement carbon neutral through an alternative electrical approach to the energy-intensive thermochemical industry for utilization. Progress in this area, based on electrogeneration multicarbon products CO2 electroreduction, however, lags far behind that C1 products. Reaction routes are complicated and kinetics slow with scale up high levels required commercialization, posing significant problems. In review, we identify summarize state-of-art progress synthesis a multiscale perspective discuss current hurdles be resolved generation reduction including atomistic mechanisms, nanoscale electrocatalysts, microscale electrodes, macroscale electrolyzers guidelines future research. The review ends cross-scale links discrepancies between different approaches extensions performance stability issues arise industrial environment.

Language: Английский

Citations

138
Understanding the complexity in bridging thermal and electrocatalytic methanation of CO2 DOI
Hui Kang, Jun Ma, Siglinda Perathoner

et al.

Chemical Society Reviews, Journal Year: 2023, Volume and Issue: 52(11), P. 3627 - 3662

Published: Jan. 1, 2023

The selective methanation of CO2 is an important research area to meet the net-zero emission targets. Furthermore, it crucial develop solutions achieve carbon neutrality, hydrogen utilization, circularity, and chemical-energy storage. This conversion can be realized via thermocatalytic multistep power-to-X route or by direct electro- (or photoelectro)-catalytic technologies. Herein, we discuss need accelerate Improving these technologies requires a better understanding catalytic chemistry complexity aspects consider in bridging electrocatalytic methanation. In this tutorial review, initially analyze fundamental question competitive adsorption key reactants regulation strategies promote overall reaction. Then, approach used guide reader differences between thermocatalysis electrocatalysis. Finally, necessary include modelling designing next-generation electrocatalysts for analyzed.

Language: Английский

Citations

47
Insight into coupled Ni-Co dual-metal atom catalysts for efficient synergistic electrochemical CO2 reduction DOI
Qingchun Zhang, Di Liu, Yaping Zhang

et al.

Journal of Energy Chemistry, Journal Year: 2023, Volume and Issue: 87, P. 509 - 517

Published: Sept. 9, 2023

Language: Английский

Citations

45
Doping engineering of Cu-based catalysts for electrocatalytic CO2 reduction to multi-carbon products DOI

Shiya You,

Jiewen Xiao, Shuyu Liang

et al.

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(16), P. 5795 - 5818

Published: Jan. 1, 2024

Recent developments in heteroatom-doped Cu-based catalysts for CO 2 electroreduction into C 2+ products are highlighted. The design strategies doped and situ technologies discussed.

Language: Английский

Citations

31
Switching the Symmetry of a Trinuclear Copper Cluster Catalyst for Electroreducing CO2 to an Asymmetric C2 Product in an Acidic Electrolyte DOI
Rui Wang, Long‐Zhang Dong, Jingwen Shi

et al.

ACS Catalysis, Journal Year: 2024, Volume and Issue: 14(2), P. 741 - 750

Published: Jan. 2, 2024

Achieving CO2 electroreduction in an acidic electrolyte to obtain high-value products is a great challenge, but it has remained elusive so far due the high requirements for catalyst stability. Herein, we designed and constructed highly stable (acid- alkali-resistant) well-defined crystalline coordination compound catalyst, Inz-Cu3, which can switch structural symmetry by varying distance angle between adjacent synergistic Cu active sites, thus achieving selective conversion of C2 product electrolyte. At current density −320 mA·cm–2, achieved up 42.20% selectivity electrocatalytic reduction electrolyte, catalytic (66.79%, containing 35.27% FEC2H4 31.52% FEC2H5OH) also be conventional alkaline Moreover, functional theory (DFT) calculation control experiments revealed that asymmetric sites with close stabilize *CHOHCH3 intermediates, improving product. This work demonstrates strategy design catalysts enables achievement high-value-added

Language: Английский

Citations

29
Twin Heterostructure Engineering and Facet Effect Boosts Efficient Reduction CO2-to-Ethanol at Low Potential on Cu2O@Cu2S Catalysts DOI
Jing Li,

Rong Cai,

Haiqiang Mu

et al.

ACS Catalysis, Journal Year: 2024, Volume and Issue: 14(5), P. 3266 - 3277

Published: Feb. 15, 2024

Copper oxide (Cu2O) is considered a promising catalyst that can effectively reduce the overpotential of CO2 reduction reaction (CO2 RR) and increase selectivity for C2+ products. However, developing high-performance stable CO2-to-ethanol (C2H5OH) based-Cu2O electrocatalysts remains challenging. In this work, Cu2O@Cu2S twin heterojunction catalysts with multitwin boundaries are designed to afford C2H5OH productivity at low potential through electrocatalytic RR, highly dependent on facet nanocubes outperforming octahedra. Detailed electrochemical experiments, density functional theory (DFT) calculations in situ infrared spectroscopy reveals introduction Cu2S boosts high coverage *CO, which easily spillover generate *CHOH_*CO coupling pathway. A production begins an ultralow −0.45 V vs RHE reaches 34 43.9% Faradaic efficiencies (FE) −0.65 H-cell flow cell, respectively. Meanwhile, constructed interface coherent structure suitable band facilitate electron transfer from Cu2O Cu2S, leading stability Cu+ valence states. This work provides avenue precisely design by regulating configuration.

Language: Английский

Citations

28
Nanocavity enriched CuPd alloy with high selectivity for CO2 electroreduction toward C2H4 DOI
Ze-Yu Zhang, Haibin Wang,

Fei-Fei Zhang

et al.

Rare Metals, Journal Year: 2024, Volume and Issue: 43(4), P. 1513 - 1523

Published: Jan. 20, 2024

Language: Английский

Citations

19
Opening Direct Electrochemical Fischer–Tropsch Synthesis Path by Interfacial Engineering of Cu Electrode with P-Block Elements DOI

Ju Yang,

Seon Young Hwang,

Ju Young Maeng

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(3), P. 3368 - 3387

Published: Jan. 12, 2024

The electrochemical synthesis of syngas (CO and H2) has garnered considerable attention in the context Fischer–Tropsch (FT) employing thermal catalysts. Nonetheless, need for a novel, cost-effective technique persists. In this investigation, we introduce direct (dEC) approach FT that functions under ambient conditions by utilizing p-block element (Sn In) overlaid Cu electrode. Surface *CO H* species were obtained an electrolytic medium through CO2 + H+ e– → HOOCad (or CO adsorption) reactions, respectively. We have observed C2–7 long-chain hydrocarbons with CnH2n+2/CnH2n ratio 1–3, observation can be explained process C–C coupling chain growth conventional synthesis, based on linearity Anderson-Schulz–Flory equation plots. Thick Sn overlayers resulted dominant production formate, while C2H4 found to proportional inversely correlated H2, C2H6, C3–7 hydrocarbon production. EC CO2/CO reduction used dEC offers valuable insights into mechanism C2+ holds promise as eco-friendly producing energy environmental purposes.

Language: Английский

Citations

18
Advanced Catalyst Design and Reactor Configuration Upgrade in Electrochemical Carbon Dioxide Conversion DOI

Zhitong Wang,

Yansong Zhou, Peng Qiu

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(52)

Published: Aug. 20, 2023

Abstract Electrochemical carbon dioxide reduction reaction (CO 2 RR) driven by renewable energy shows great promise in mitigating and potentially reversing the devastating effects of anthropogenic climate change environmental degradation. The simultaneous synthesis energy‐dense chemicals can meet global demand while decoupling emissions from economic growth. However, development CO RR technology faces challenges catalyst discovery device optimization that hinder their industrial implementation. In this contribution, a comprehensive overview current state research is provided, starting with background motivation for technology, followed fundamentals evaluated metrics. Then underlying design principles electrocatalysts are discussed, emphasizing structure–performance correlations advanced electrochemical assembly cells increase selectivity throughput. Finally, review looks to future identifies opportunities innovation mechanism discovery, material screening strategies, assemblies move toward carbon‐neutral society.

Language: Английский

Citations

41