Topotactic Transformation from [NCN]2- Anions Regulation for Selectively Electrocatalytic CO2 Reduction to Formate

Applied Catalysis B Environment and Energy, Journal Year: 2025, Volume and Issue: 368, P. 125133 - 125133

Published: Feb. 6, 2025

Language: Английский

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Boosting CO2 electroreduction to C2H4: Optimizing the local catalytic microenvironment with hydrophobic SiO2 Aerosol-Enhanced Cu-N4 catalysts

Separation and Purification Technology, Journal Year: 2025, Volume and Issue: unknown, P. 131977 - 131977

Published: Feb. 1, 2025

Language: Английский

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Spray Drying Synthesis of Stable Cu Catalyst Supported on Carbon with High C2 Product Selectivity in Co2 Electrolysis

Published: Jan. 1, 2025

Language: Английский

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Unraveling the Role of Pressure, Oxidation State, and Morphology in CO2 Electroreduction to C2+ Products over Copper Oxides

Nanoscale Advances, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

This study provides compelling experimental evidence of the synergistic effects reaction pressure, oxidation state, and catalyst morphology on C2+ selectivity copper (Cu) oxide catalysts in electrochemical CO2 reduction (ECR). We employed femtosecond laser structuring thermal treatments to synthesize Cu(0), Cu(i), Cu(ii), a mixed state Cu(x) with characteristic micro- nano-morphologies. The optimal pressure for maximizing productivity aqueous bicarbonate media was established by assessing products at different imposed pressures custom-designed, pressurizable two-compartment cell. Among thermally produced Cu(i) only unstructured exhibiting ethylene gas-phase selectivity. Nanostructuring enhanced such that all three states could produce ethylene. More importantly, nanostructured comprising well-dispersed exhibited as well ethane production - associated undercoordinated Cu stabilizing intermediates facilitating charge transfer yield longer products. work important insights into key factors influencing Cu-based catalysts, establishing basis an informed design high-energy density

Language: Английский

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Rational Construction of Cu Active Sites for CO₂ Electrolysis to C₂₊ Product

Chemistry - An Asian Journal, Journal Year: 2025, Volume and Issue: unknown

Published: March 12, 2025

Abstract Electrocatalytic CO 2 reduction reaction (CO RR) has emerged as a promising approach in advancing towards carbon neutrality and addressing renewable energy intermittency. Copper‐based catalysts have received much attention due to their high catalytic activity convert into value‐added C 2+ products. However, RR exhibits diversity of products unavoidable hydrogen precipitation side reactions the moderate adsorption strength *CO on copper surface fact that electrode potential for is very close reduction. Here, we summarize recent advances structural design active site construction copper‐based RR, investigate effects improvement performance, with aim deepening understanding catalyst structure sites, thereby facilitating more efficient sustainable production chemicals.

Language: Английский

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The Role of Electrocatalysts in the Electrochemical Conversion of CO2 into Multi-Carbon Products (C2+): A Review

Catalysts, Journal Year: 2025, Volume and Issue: 15(3), P. 237 - 237

Published: March 1, 2025

In recent years, the electrochemical conversion of CO2 gasses into renewable fuels (e.g., ethylene, ethanol, and propanol) has attracted much attention. this process, electrocatalysts play a crucial role in accelerating reduction reaction (CO2RR) process. review, synthesis C2+ products from was investigated. To end, various classifications such as metals, metal oxides, alloys, covalent organic frameworks (COFs), carbon-based electrocatalysts, metal–organic (MOFs) their utilization chemicals were fully Also, impact factors catalyst stability, temperature, membrane type, pressure, current density, pH, type electrolyte on CO2RR process to generate valuable Moreover, mechanism for producing Furthermore, limitations future perspective surveyed. Finally, industrial application value-added Based our investigation, Cu Cu2O-based are suitable catalysts products, particularly ethylene ethanol.

Language: Английский

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Reconstructed rich oxygen defects and Ag0 on Pr6O11 surface through interface-defect engineering for enhanced electrochemical carbon dioxide reduction

Journal of Colloid and Interface Science, Journal Year: 2025, Volume and Issue: unknown, P. 137368 - 137368

Published: March 1, 2025

Language: Английский

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A Review on Single Site Catalysts for Electrochemical CO₂ Reduction

Advanced Energy Materials, Journal Year: 2025, Volume and Issue: unknown

Published: March 18, 2025

Abstract Single site catalysts (SSCs), characterized by high atomic utilization and well‐defined active sites, exhibit significant potential in the field of CO 2 electroreduction (CO RR). Typically, SSCs tend to a 2‐electron transfer reaction RR, there remain challenges achieving efficient conversion above 2‐electrons (methane (CH 4 ) multicarbon products(C 2+ ). Therefore, systematic review is crucial summarize recent advancements single electrocatalysts their structure‐activity relationship. The discussion begins with state‐of‐the‐art characterization techniques SSCs. Then influence central atoms, coordination environments, support metal‐support interactions on catalytic performance discussed detail. Subsequently, regulation strategies improve activity selectivity CH C products are discussed. Furthermore, dynamic evolution metal sites true nature during RR also addressed. Finally, associated for product formation analyzed.

Language: Английский

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SnO₂-Doped CuO Nanosheets for Enhanced CO Selectivity in Electrochemical CO₂ Reduction

The Journal of Physical Chemistry C, Journal Year: 2025, Volume and Issue: unknown

Published: March 29, 2025

Language: Английский

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Strategies for Enhancing Stability in Electrochemical CO₂ Reduction

Chemistry - An Asian Journal, Journal Year: 2025, Volume and Issue: unknown

Published: April 9, 2025

Abstract The electrochemical CO 2 reduction reaction (CO RR) holds significant promise as a sustainable approach to address global energy challenges and reduce carbon emissions. However, achieving long‐term stability in terms of catalytic performance remains critical hurdle for large‐scale commercial deployment. This mini‐review provides comprehensive exploration the key factors influencing RR stability, encompassing catalyst design, electrode architecture, electrolyzer optimization, operational conditions. We examine how degradation occurs through mechanisms such valence changes, elemental dissolution, structural reconfiguration, active site poisoning propose targeted strategies improvement, including doping, alloying, substrate engineering. Additionally, advancements modifications membrane enhancements, are highlighted their role improving stability. Operational parameters temperature, pressure, electrolyte composition also play crucial roles extending lifespan reaction. By addressing these diverse factors, this review aims offer deeper understanding determinants RR, laying groundwork development robust, scalable technologies efficient dioxide conversion.

Language: Английский

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