Advancements in catalytic, photocatalytic, and electrocatalytic CO2 conversion processes: Current trends and future outlook

Journal of CO2 Utilization, Journal Year: 2024, Volume and Issue: 80, P. 102682 - 102682

Published: Jan. 23, 2024

Climate change, which is caused by increasing greenhouse gas (GHG) emissions, poses a serious threat to humanity, impacting economies, societies, and the environment. Carbon dioxide (CO2), major contributor effect, responsible for climate change thus must be reduced. capture, conversion, storage (CCUS) technology, involves catalytic, photocatalytic, electrocatalytic conversions, promising method reducing CO2 emissions converting into valuable products. Recent advances in electrocatalytic, photocatalytic reduction of have highlighted potential environmental economic benefits these technologies. However, practical application techniques challenging requires scientific research engineering efforts develop efficient materials capable simultaneously capturing it Therefore, this review presents comprehensive analysis various catalytic systems capture conversion. This aims identify advantages limitations In addition, identified challenges future prospects proposed methods are outlined. Thus, article covers current trends perspectives field combating through management.

Language: Английский

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Enhanced Capacitive Deionization of Hollow Mesoporous Carbon Spheres/MOFs Derived Nanocomposites by Interface‐Coating and Space‐Encapsulating Design

Advanced Science, Journal Year: 2024, Volume and Issue: 11(39)

Published: Aug. 14, 2024

Abstract Exploring new carbon‐based electrode materials is quite necessary for enhancing capacitive deionization (CDI). Here, hollow mesoporous carbon spheres (HMCSs)/metal‐organic frameworks (MOFs) derived (NC(M)/HMCSs and NC(M)@HMCSs) are successfully prepared by interface‐coating space‐encapsulating design, respectively. The obtained NC(M)/HMCSs NC(M)@HMCSs possess a hierarchical nanoarchitecture with abundant nitrogen doping, high specific surface area, meso‐/microporous pores. These merits conducive to rapid ion diffusion charge transfer during the adsorption process. Compared NC(M)/HMCSs, exhibit superior electrochemical performance due their better utilization of internal space carbon, forming an interconnected 3D framework. In addition, introduction Ni ions more synergistic effect between ZIF(M)‐derived N‐doped shell compared other (Mn, Co, Cu ions). resultant Ni‐1‐800‐based CDI device exhibits excellent salt capacity (SAC, 37.82 mg g −1 ) good recyclability. This will provide direction MOF nanoparticle‐driven assembly strategy application CDI.

Language: Английский

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Microenvironment Engineering of Heterogeneous Catalysts for Liquid-Phase Environmental Catalysis

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(20), P. 11348 - 11434

Published: Oct. 9, 2024

Environmental catalysis has emerged as a scientific frontier in mitigating water pollution and advancing circular chemistry reaction microenvironment significantly influences the catalytic performance efficiency. This review delves into engineering within liquid-phase environmental catalysis, categorizing microenvironments four scales: atom/molecule-level modulation, nano/microscale-confined structures, interface surface regulation, external field effects. Each category is analyzed for its unique characteristics merits, emphasizing potential to enhance efficiency selectivity. Following this overview, we introduced recent advancements advanced material system design promote (e.g., purification, transformation value-added products, green synthesis), leveraging state-of-the-art technologies. These discussions showcase was applied different reactions fine-tune regimes improve from both thermodynamics kinetics perspectives. Lastly, discussed challenges future directions engineering. underscores of intelligent materials drive development more effective sustainable solutions decontamination.

Language: Английский

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Synthesizing nickel single atom catalyst via SiO2 protection strategy for efficient CO2 electroreduction to CO in a wide potential range

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 675, P. 207 - 217

Published: July 2, 2024

Language: Английский

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Mechanistic insight into the synergy between nickel single atoms and nanoparticles on N-doped carbon for electroreduction of CO2

Journal of Energy Chemistry, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 1, 2024

Language: Английский

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Design of Mg-Ni binary single-atom catalysts for conversion of carbon dioxide to syngas with a wide tunable ratio: Each species doing its own job or working together to win?

Journal of Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 671, P. 165 - 174

Published: May 23, 2024

Language: Английский

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Secondary Coordination Sphere Engineering of Single‐Sn‐Atom catalyst via P Doping for Efficient CO₂ Electroreduction

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(38)

Published: June 28, 2024

Abstract The regulation of the local microenvironment in single‐atom catalysts affords a scheme for accelerating overall reaction kinetics electrochemical CO 2 reduction (CO RR), which is vital importance but remains challenging. Herein, carbon nanotube‐supported single‐Sn‐atom catalyst (P‐SnN 4 ‐CNT) developed by modified pyrolysis procedure with P‐doping into second coordination shell SnN moiety to modulate electron structure metal Sn center. resulting P‐SnN ‐CNT delivered high partial current density −380 mA cm −2 Faradaic efficiency (FE) above 90% across wide range −0.5 −0.8 V versus reversible hydrogen electrode (vs RHE), along optimal FE (CO) ≈98.5% at −0.6 RHE flow cell. Moreover, achieved an extremely turnover frequency 126 471 h −1 applied potential RHE, ranks best among reported M─N─C electrocatalytic reduction. combination situ characterization techniques and functional theory calculation revealed that doping P atoms benefited activation hydrogenation steps promoted 4+ 2+ during process, where identified as active site generation. work provides clear mechanistic insight both optimization identification sites single‐Sn‐atom, shall pave way exploitation other RR performance.

Language: Английский

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Granular protruded irregular Cu2O catalysts for efficient CO2 reduction to C2 products

Journal of Colloid and Interface Science, Journal Year: 2023, Volume and Issue: 653, P. 1415 - 1422

Published: Sept. 30, 2023

Language: Английский

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Ni Cluster‐Decorated Single‐Atom Catalysts Achieve Near‐Unity CO₂‐to‐CO Conversion with an Ultrawide Potential Window of ≈1.7 V

Small, Journal Year: 2024, Volume and Issue: 20(49)

Published: Sept. 26, 2024

Developing efficient electrocatalysts for CO

Language: Английский

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Regulating the Magnetic Domain of Nickle for Enhanced CO₂ Electrochemical Reduction Driven by External Magnetic Field

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 27, 2024

Abstract Electrochemical reduction of carbon dioxide (CO 2 RR) into valuable fuels and chemicals is a highly desirable approach for achieving neutrality, but it faces substantial technical hurdles. Herein, novel ferromagnetic Ni@NC electrocatalyst reported, composed nickel nanoparticles embedded within nitrogen‐doped matrix. The optimal catalyst displays fourfold increase in current density at 140 versus 0 mT H‐type cell achieves nearly 100% CO Faradaic efficiency (FE ) across wide potential range with minimal overpotential flow cell. Quantum diamond atomic force microscopy (QDAFM) directly demonstrates the orderly magnetic moments under external field. Further theoretical calculations reveal that induced by field facilitate formation Ni–O–Ni reduce energy barriers COOH * intermediates. This study underscores applying modulation to not only enhance catalytic efficiencies also extend this strategy other systems.

Language: Английский

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