Electrochemical CO₂reduction to C₂₊products using Cu-based electrocatalysts: A review

Deleted Journal, Journal Year: 2022, Volume and Issue: 1, P. e9120021 - e9120021

Published: July 4, 2022

With the disruptive carbon cycle being blamed for global warming, plausible electrocatalytic CO₂ reduction reaction (CO₂RR) to form valuable C₂₊ hydrocarbons and feedstock is becoming a hot topic. Cu-based electrocatalysts have been proven be excellent CO₂RR alternatives high energy value-added products in this regard. However, selectivity of via catalysts suffers from overpotential, slow kinetics, low selectivity. This review attempts discuss various cutting-edge strategies understanding catalytic design such as catalyst surface engineering, tuning Cu bandgap alloying, nanocatalysis, effect electrolyte pH on morphology. The most recent advances in situ spectroscopy computational techniques are summarized fully comprehend mechanisms, structural transformation/degradation crystal facet loss with subsequent effects activity. Furthermore, approaches interactions discussed four key perspectives: single-atom catalysts, interfacial metal-organic frameworks, polymer-incorporated materials, which provide new insights into products. Finally, major challenges outlined, potential prospects rational robust proposed. integration mechanistic step forward promising advancement technology industrial applications.

Language: Английский

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Multiscale CO₂ Electrocatalysis to C₂₊ Products: Reaction Mechanisms, Catalyst Design, and Device Fabrication

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

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Engineered Living Materials For Sustainability

Chemical Reviews, Journal Year: 2022, Volume and Issue: 123(5), P. 2349 - 2419

Published: Dec. 13, 2022

Recent advances in synthetic biology and materials science have given rise to a new form of materials, namely engineered living (ELMs), which are composed matter or cell communities embedded self-regenerating matrices their own artificial scaffolds. Like natural such as bone, wood, skin, ELMs, possess the functional capabilities organisms, can grow, self-organize, self-repair when needed. They also spontaneously perform programmed biological functions upon sensing external cues. Currently, ELMs show promise for green energy production, bioremediation, disease treatment, fabricating advanced smart materials. This review first introduces dynamic features systems potential developing novel We then summarize recent research progress on emerging design strategies from both perspectives. Finally, we discuss positive impacts promoting sustainability key future directions.

Language: Английский

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Recent Advances of Magnetite (Fe3O4)-Based Magnetic Materials in Catalytic Applications

Magnetochemistry, Journal Year: 2023, Volume and Issue: 9(4), P. 110 - 110

Published: April 20, 2023

Catalysts play a critical role in producing most industrial chemicals and are essential to environmental remediation. Under the demands of sustainable development, environment protection, cost-related factors, it has been suggested that catalysts sufficiently separable conveniently recyclable catalysis process. Magnetite (Fe3O4) nanomaterials provide possible way achieve this goal, due their magnetism, chemical stability, low toxicity, economic viability, etc. Therefore, Fe3O4-based materials emerging as an important solid support load heterogeneous immobilize homogeneous catalysts. Moreover, addition magnetic character will not only make recovery much easier but also possibly endow with desirable properties, such magnetothermal conversion, Lewis acid, mimetic enzyme activity, Fenton activity. The following review comprises short survey recent reports catalytic applications materials. It contains seven sections, introduction into theme, remediation, electrocatalysis, organic synthesis, synthesis biodiesel, cancer treatment, conclusions about reported research perspectives for future developments. Elucidation functions mechanisms Fe3O4 nanoparticles (NPs) these may benefit acquisition robust affordable protocols, leading good activity enhanced recoverability.

Language: Английский

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Surface passivation for highly active, selective, stable, and scalable CO2 electroreduction

Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)

Published: Aug. 3, 2023

Electrochemical conversion of CO2 to formic acid using Bismuth catalysts is one the most promising pathways for industrialization. However, it still difficult achieve high production at wide voltage intervals and industrial current densities because Bi are often poisoned by oxygenated species. Herein, we report a Bi3S2 nanowire-ascorbic hybrid catalyst that simultaneously improves selectivity, activity, stability applied voltages. Specifically, more than 95% faraday efficiency was achieved formate formation over potential range above 1.0 V ampere-level densities. The observed excellent catalytic performance attributable unique reconstruction mechanism form defective sites while ascorbic layer further stabilized trapping poisoning hydroxyl groups. When used in an all-solid-state reactor system, newly developed efficient pure 120 hours 50 mA cm-2 (200 cell current).

Language: Английский

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Atomic high-spin cobalt(II) center for highly selective electrochemical CO reduction to CH3OH

Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)

Published: Oct. 17, 2023

In this work, via engineering the conformation of cobalt active center in phthalocyanine molecular catalyst, catalytic efficiency electrochemical carbon monoxide reduction to methanol can be dramatically tuned. Based on a collection experimental investigations and density functional theory calculations, it reveals that electron rearrangement Co 3d orbitals from low-spin state (S = 1/2) high-spin 3/2), induced by change, is responsible for greatly enhanced CO reaction performance. Operando attenuated total reflectance surface-enhanced infrared absorption spectroscopy measurements disclose accelerated hydrogenation CORR intermediates, kinetic isotope effect validates expedited proton-feeding rate over with state. Further natural population analysis calculations demonstrate high spin Co2+ enhance backdonation dxz/dyz-2π* bond weaken C-O bonding *CO, promoting intermediates.

Language: Английский

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Molecular Catalyst with Near 100% Selectivity for CO₂ Reduction in Acidic Electrolytes

Advanced Energy Materials, Journal Year: 2022, Volume and Issue: 13(6)

Published: Dec. 23, 2022

Abstract The electrocatalytic carbon dioxide reduction reaction (CO 2 RR) in an acidic medium is conducive to the efficient utilization of CO by preventing formation carbonate/bicarbonate. However, media are more favorable for hydrogen evolution (HER), resulting unsatisfactory RR selectivities. It demonstrated that molecularly dispersed electrocatalyst β‐tetra methoxy‐substituted nickel phthalocyanine on nanotubes (NiPc‐OMe MDE) can efficiently catalyze (pH 0.47) with Faradaic efficiencies >98% over a wide range current densities from −50 −400 mA cm −2 . found superior selectivity performance be attributed presence potassium ions, high preference HER active site, and few side sites. study illuminates potential molecular electrocatalysts selective rapid acid media.

Language: Английский

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Applications of Metal–Organic Frameworks and Their Derivatives in Electrochemical CO2 Reduction

Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 15(1)

Published: April 30, 2023

Abstract Electrochemically reducing CO 2 to more reduced chemical species is a promising way that not only enables the conversion of intermittent energy resources stable fuels, but also helps build closed-loop anthropogenic carbon cycle. Among various electrocatalysts for electrochemical reduction, multifunctional metal–organic frameworks (MOFs) have been employed as highly efficient and selective heterogeneous due their ultrahigh porosity topologically diverse structures. Up now, great progress has achieved in design synthesis active MOF-related catalysts reduction reaction (CO RR), corresponding mechanisms thoroughly studied. In this review, we summarize recent applying MOFs derivatives RR, with focus on strategies electrolyzers. We first discussed different RR products introduced commonly applied electrolyzer configurations current system. Then, an overview several categories (CO, HCOOH, CH 4 , 3 OH, multi-carbon chemicals) generated from or via was discussed. Finally, offer some insights perspectives future development reduction. aim provide new into field further guide research large-scale applications.

Language: Английский

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Enabling heterogeneous catalysis to achieve carbon neutrality: Directional catalytic conversion of CO₂ into carboxylic acids

Carbon Energy, Journal Year: 2023, Volume and Issue: 6(3)

Published: May 25, 2023

Abstract The increase in anthropogenic carbon dioxide (CO 2 ) emissions has exacerbated the deterioration of global environment, which should be controlled to achieve neutrality. Central core goal achieving neutrality is utilization CO under economic and sustainable conditions. Recently, strong need for led a proliferation studies on direct conversion into carboxylic acids, can effectively alleviate create high‐value chemicals. purpose this review present application prospects acids basic principles through photo‐, electric‐, thermal catalysis. Special attention focused regulation strategy activity abundant catalysts at molecular level, inspiring preparation high‐performance catalysts. In addition, theoretical calculations, advanced technologies, numerous typical examples are introduced elaborate corresponding process influencing factors catalytic activity. Finally, challenges provided future development field. It hoped that will contribute deeper understanding inspire more innovative breakthroughs.

Language: Английский

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Surface-Oxygen-Rich Bi@C Nanoparticles for High-Efficiency Electroreduction of CO₂ to Formate

Nano Letters, Journal Year: 2022, Volume and Issue: 22(22), P. 9107 - 9114

Published: Nov. 1, 2022

The electrochemical CO2 reduction reaction (CO2RR) is a promising strategy to alleviate excessive levels in the atmosphere and produce value-added feedstocks fuels. However, synthesis of high-efficiency robust electrocatalysts remains great challenge. This work reports green preparation surface-oxygen-rich carbon-nanorod-supported bismuth nanoparticles (SOR Bi@C NPs) for an efficient CO2RR toward formate. resultant SOR NPs catalyst displays Faradaic efficiency more than 91% formate generation over wide potential range 440 mV. Ex situ XPS XANES Raman spectroscopy demonstrate that Bi-O/Bi (110) structure pristine can remain stable during process. DFT calculations reveal facilitate formation *OCHO intermediate. provides approach development Bi-based catalysts offers unique insight into exploration advanced electrocatalysts.

Language: Английский

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