Technologies and perspectives for achieving carbon neutrality

The Innovation, Год журнала: 2021, Номер 2(4), С. 100180 - 100180

Опубликована: Окт. 30, 2021

Язык: Английский

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Electrocatalysis for CO₂conversion: from fundamentals to value-added products

Chemical Society Reviews, Год журнала: 2021, Номер 50(8), С. 4993 - 5061

Опубликована: Янв. 1, 2021

This timely and comprehensive review mainly summarizes advances in heterogeneous electroreduction of CO₂: from fundamentals to value-added products.

Язык: Английский

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CO ₂ electrolysis to multicarbon products in strong acid

Science, Год журнала: 2021, Номер 372(6546), С. 1074 - 1078

Опубликована: Июнь 3, 2021

Carbon dioxide electroreduction (CO2R) is being actively studied as a promising route to convert carbon emissions valuable chemicals and fuels. However, the fraction of input CO2 that productively reduced has typically been very low, <2% for multicarbon products; balance reacts with hydroxide form carbonate in both alkaline neutral reactors. Acidic electrolytes would overcome this limitation, but hydrogen evolution hitherto dominated under those conditions. We report concentrating potassium cations vicinity electrochemically active sites accelerates activation enable efficient CO2R acid. achieve on copper at pH <1 single-pass utilization 77%, including conversion efficiency 50% toward products (ethylene, ethanol, 1-propanol) current density 1.2 amperes per square centimeter full-cell voltage 4.2 volts.

Язык: Английский

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Photoinduction of Cu Single Atoms Decorated on UiO-66-NH₂ for Enhanced Photocatalytic Reduction of CO₂ to Liquid Fuels

Journal of the American Chemical Society, Год журнала: 2020, Номер 142(45), С. 19339 - 19345

Опубликована: Окт. 29, 2020

Photocatalytic reduction of CO2 to value-added fuels is a promising route reduce global warming and enhance energy supply. However, poor selectivity low efficiency catalysts are usually the limiting factor their applicability. Herein, photoinduction method was developed achieve formation Cu single atoms on UiO-66-NH2 support (Cu SAs/UiO-66-NH2) that could significantly boost photoreduction liquid fuels. Notably, SAs/UiO-66-NH2 achieved solar-driven conversion methanol ethanol with an evolution rate 5.33 4.22 μmol h-1 g-1, respectively. These yields were much higher than those pristine nanoparticles/UiO-66-NH2 composites. Theoretical calculations revealed introduction SAs greatly facilitates CHO* CO* intermediates, leading excellent toward ethanol. This study provides new insights for designing high-performance catalyst photocatalytic at atomic scale.

Язык: Английский

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Electrocatalytic Refinery for Sustainable Production of Fuels and Chemicals

Angewandte Chemie International Edition, Год журнала: 2021, Номер 60(36), С. 19572 - 19590

Опубликована: Фев. 19, 2021

Abstract Compared to modern fossil‐fuel‐based refineries, the emerging electrocatalytic refinery (e‐refinery) is a more sustainable and environmentally benign strategy convert renewable feedstocks energy sources into transportable fuels value‐added chemicals. A crucial step in conducting e‐refinery processes development of appropriate reactions optimal electrocatalysts for efficient cleavage formation chemical bonds. However, compared well‐studied primary (e.g., O 2 reduction, water splitting), mechanistic aspects materials design complex are yet be settled. To address this challenge, herein, we first present fundamentals heterogeneous electrocatalysis some reactions, then implement these establish framework by coupling situ generated intermediates (integrated reactions) or products (tandem reactions). We also set principles strategies efficiently manipulate reaction pathways.

Язык: Английский

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The future of low-temperature carbon dioxide electrolysis depends on solving one basic problem

Nature Communications, Год журнала: 2020, Номер 11(1)

Опубликована: Окт. 16, 2020

Carbonate formation is the primary source of energy and carbon losses in low-temperature dioxide electrolysis. Realigning research priorities to address carbonate problem essential if this technology become a viable option for renewable chemical fuel production. Low-temperature electrolysis an attractive process sustainable synthesis, but current systems suffer from low efficiency. In comment, authors discuss limitations arising reaction between hydroxide, highlighting need new fundamental problem.

Язык: Английский

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Electrocatalytic reduction of CO₂ and CO to multi-carbon compounds over Cu-based catalysts

Chemical Society Reviews, Год журнала: 2021, Номер 50(23), С. 12897 - 12914

Опубликована: Янв. 1, 2021

This tutorial review discusses the similarities and differences between electrocatalytic reduction of CO 2 to C 2+ olefins oxygenates over Cu-based catalysts.

Язык: Английский

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Gas diffusion electrodes, reactor designs and key metrics of low-temperature CO2 electrolysers

Nature Energy, Год журнала: 2022, Номер 7(2), С. 130 - 143

Опубликована: Фев. 17, 2022

Язык: Английский

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High carbon utilization in CO2 reduction to multi-carbon products in acidic media

Nature Catalysis, Год журнала: 2022, Номер 5(6), С. 564 - 570

Опубликована: Июнь 9, 2022

Язык: Английский

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Electrochemical CO2 reduction (CO2RR) to multi-carbon products over copper-based catalysts

Coordination Chemistry Reviews, Год журнала: 2021, Номер 454, С. 214340 - 214340

Опубликована: Дек. 13, 2021

Язык: Английский

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