Advances and challenges in the electrochemical reduction of carbon dioxide

Chemical Science, Год журнала: 2024, Номер 15(21), С. 7870 - 7907

Опубликована: Янв. 1, 2024

This review highlights the structure–activity relationship of ECO 2 RR, provides a detailed summary advanced materials by analyzing electrocatalytic applications and reaction mechanisms, discusses challenges in both devices.

Язык: Английский

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Challenges and opportunities of atomic-scales reactive sites in thriving electrochemical CO2 reduction reaction

Nano Today, Год журнала: 2024, Номер 55, С. 102152 - 102152

Опубликована: Янв. 13, 2024

Язык: Английский

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Photoelectrochemical CO2 electrolyzers: From photoelectrode fabrication to reactor configuration

Journal of Energy Chemistry, Год журнала: 2023, Номер 85, С. 455 - 480

Опубликована: Июль 7, 2023

The photoelectrochemical conversion of CO2 into value-added products emerges as an attractive approach to alleviate climate change. One the main challenges in deploying this technology is, however, development and optimization (photo)electrodes photoelectrolyzers. This review focuses on fabrication processes, structure, characterization (photo)electrodes, covering a wide range techniques, from rudimentary automated processes. work also highlights most relevant features with special emphasis how measure optimize them. Finally, article analyses integration different photoelectrolyzers architectures, analyzing recent research that comprises photocathode, photoanode, photocathode-photoanode, tandem configurations ideally achieve unbiased systems. Overall, comprehensive guidelines are provided for future advancements developing effective devices conversion, bridging gap towards use sunlight unique energy input practical applications.

Язык: Английский

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CO2 conversion to solar fuels and chemicals: Opening the new paths

Journal of Energy Chemistry, Год журнала: 2024, Номер 91, С. 680 - 683

Опубликована: Янв. 19, 2024

Язык: Английский

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Catalyzed carbon-based materials for CO₂-battery utilization

Energy Materials, Год журнала: 2025, Номер 5(4)

Опубликована: Янв. 23, 2025

Increasing atmospheric CO2 levels and global carbon neutrality goals have driven interest in technologies that both mitigate emissions provide sustainable energy storage solutions. Metal-carbon dioxide (M-CO2) batteries offer significant promise due to their high density potential utilize CO2. A key challenge advancing M-CO2 lies optimizing CO2-breathing cathodes, which are essential for adsorption, diffusion, conversion. Carbon-based cathodes play a critical role facilitating redox batteries, owing cost-effectiveness, conductivity, tunable microstructure, porosity. However, there is lack of current systematic understanding the relationship between structure, composition, catalytic properties carbon-based as well impact on overall efficiency, stability, durability batteries. In this review, we will give an insightful review analysis recent advances various materials, including commercial carbons, single-atom catalysts, transition metal/carbon composites, metal-organic frameworks, etc. , focusing structure-function-property relationships. comprehensive pivotal played by materials optimization strategies be provided. Moreover, future perspectives research suggestions presented advance development innovation

Язык: Английский

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Electrochemical reduction of CO2: A roadmap to formic and acetic acid synthesis for efficient hydrogen storage

Energy Conversion and Management, Год журнала: 2024, Номер 314, С. 118601 - 118601

Опубликована: Июнь 14, 2024

Язык: Английский

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Single-Pass Electrooxidation of Glycerol on Bismuth-Modified Platinum Electrodes as an Anodic Process Coupled to the Continuous CO₂ Electroreduction toward Formate

ACS Sustainable Chemistry & Engineering, Год журнала: 2024, Номер 12(9), С. 3671 - 3679

Опубликована: Фев. 21, 2024

CO2 electroreduction has emerged as a promising strategy for reducing emissions while simultaneously generating valuable products, particularly formic acid/formate. To further enhance the sustainability of this process, traditional oxygen evolution reaction at anode can be replaced by more interesting like glycerol oxidation to high value-added in covalorization approach. In study, effect presence bismuth (Bi) atom supplier (Bi2O3 particles) anolyte solution during electrooxidation process on platinum (Pt) electrodes coupled with formate is investigated first time, operating continuous mode single pass through reactor. The results reveal that cathode, significant HCOO– production, Faradaic efficiencies reaching 93%, and modest energy consumption 208 kW h·kmol–1 were obtained using Bi gas diffusion electrodes. On other hand, anode, Bi2O3 particles leads alteration distribution high-value-added products obtained. For instance, demonstrates remarkable dihydroxyacetone (DHA) production 283 μmol·m–2·s–1, surpassing nonmodified Pt performance system offers pathway simultaneous coproduction from both glycerol.

Язык: Английский

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Impact of gas diffusion layer architecture on the performances of Cu-based electrodes for CO2 electroreduction to ethylene in flow reactors

Journal of CO2 Utilization, Год журнала: 2024, Номер 83, С. 102772 - 102772

Опубликована: Апрель 22, 2024

Electrocatalytic CO2 reduction reaction (CO2RR) is a promising strategy to convert into fuels and building blocks for chemicals, exploiting renewable energy sources. Flow cells using gas diffusion electrodes (GDEs) instead of simple H-cells are required achieve higher production rates. In GDE, diffuses through porous layer (GDL) reaches the active sites located in catalyst layer; GDL crucial component that can affect performance GDE. this work, we aimed establish parameters influence selectivity toward different products an alkaline flow reactor. We employed commercial Cu nanoparticles as electrocatalyst selected range market-available GDLs: structure, composition, type cracks greatly Faradaic Efficiency (FE) CO, H2, ethylene (C2H4). With emphasis on C2H4, it was found crack-free GDE essential get FEC2H4. At same time, larger more abundant detrimental C2H4 promote hydrogen evolution: instance, FEC2H4 varies wide 13–32%, from highly cracked GDL. The presence both sulfur oxygen microporous (MPL) helps shift CO2RR CO. (in)stability GDEs at high current density has been correlated with change wetting properties loss hydrophobicity.

Язык: Английский

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Limitations and trends on cobalt-free cathode materials development for intermediate-temperature solid oxide fuel cell- an updated technical review

Emergent Materials, Год журнала: 2024, Номер unknown

Опубликована: Май 17, 2024

Язык: Английский

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Criteria and cutting-edge catalysts for CO₂ electrochemical reduction at the industrial scale

Journal of CO2 Utilization, Год журнала: 2024, Номер 83, С. 102819 - 102819

Опубликована: Май 1, 2024

Converting waste or hazardous chemicals into valuable products is a paramount consideration from economic, environmental, and sustainability standpoints. Diverse strategies are under exploration to convert CO₂ fine chemicals, encompassing electrocatalysis, thermo- photo-catalysis, chemical fixation. Amid these avenues, the electrochemical reduction reaction (CO₂RR) emerges as exceptionally promising, driven by its manifold advantages growing accessibility of renewable electricity sources. While CO₂RR has witnessed substantial advancements, most endeavors remain in proof-of-concept phase, necessitating improved catalytic efficiency stability enable industrialization. Realizing industrial viability technology mandates meticulous myriad electrocatalyst-related factors. This review delves critical criteria recent materials with potential drive at an scale. These factors, akin other processes, closely relate activity, product selectivity, catalyst/system stability, catalyst cost. In this context, we investigated that define electrocatalysts industrially feasible, considering factors such Faradaic efficiency, current density, energy overpotential, choice materials. Furthermore, highlight prime examples demonstrating high for process categorize them based on products. To offer comprehensive perspective, also discusses fundamental principles CO₂RR, covering physicochemical properties CO₂, cell configurations, electrolyte compositions, role electrocatalysts. We address economic significance various

Язык: Английский

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