Themed collection Carbon Dioxide utilisation

The reference electrode-integrated MEA-type electrolyzer can be utilized to genuinely assess OER electrocatalyst performance for CO₂ electrolysis.

This review covers the recent work on the electrochemical valorization of CO₂ towards key industrial compounds like carboxylic acids, urea and dimethyl carbonate by combining the eCO₂RR intermediates with other active (in)organic reagents.

A novel RCC process using modified CZA DFMs to produce renewable MeOH is presented. K/CZA provides exceptionally high productivity of MeOH compared to previously reported attempts of RCC to MeOH.

An in situ solvothermal reduction strategy is proposed to precisely regulate the oxygen vacancy distribution of Bi₂WO₆ in a refined control manner over programmable temperature, which shows a prominent photocatalytic CO evolution rate.

Cu is a unique metal that catalyzes carbon monoxide/carbon dioxide (CO/CO₂) to form high-order hydrocarbons and oxygenates through the CO/CO₂ reduction reaction (CO/CO₂RR) at decent selectivity and productivity.

The optimized cupric oxide nanoparticles on gas diffusion electrodes exhibited ultra-high-rate CO₂ reduction reactions to multicarbon products with a current density of 1.7 A cm⁻² in neutral electrolytes.

Different operational strategies of pulsed electrolysis lead to different origins for the enhancement of multi-carbon product formation in electrocatalytic CO₂ reduction.

Renewable-powered CO₂ electrolysis (CO₂E) is a promising strategy to reduce greenhouse gas emissions by transforming CO₂ into valuable feedstocks.

The Ni–TiN structure generates plasmonic heating and/or hot charge carriers, with Ni deposit size influencing the prevalent plasmonic effect and its impact on activity/selectivity for CO₂ methanation.

This work illustrates the feasibility of using Lewis acid/base co-catalysts to change the established chemical reaction mechanism of an electrocatalyst to form a new, chemically predictable, more valuable product in high yield.

A nano-structured photoelectrode made from Sb₂Se₃ was prepared and was utilized for CO₂ reduction. Au nanoparticle catalysts were deposited to facilitate CO formation.

Replacement of the Lewis base hydroxide InOH by the stronger amine InNH₂ enables the formation of robust InNH₂⋯In SFLP with excellent CO₂ photocatalytic performance.

The double core–shell catalyst CdS–TiO₂@NH₂-MIL-101 can rapidly activate CO and C–H bonds at room temperature, which provides a new research idea for the efficient utilization of carbon resources (CO₂ and CH₄) at ambient temperature.

We present a novel method to prepare bimetallic Cu–Zn catalysts for electrochemical CO₂ reduction using sputtering and subsequent electrochemical cyclic voltammetry treatment.

Electrochemical CO₂ reduction is a topic of major interest in contemporary research as an approach to use renewably-derived electricity to synthesise useful hydrocarbons from waste CO₂.

Adding small amounts of Au Nanoparticles on Cu₂O Nanocubes boost the selectivity of C₂₊ products during electrocatalytic CO₂ reduction reaction.

The manuscript presents a novel approach for polymer-based Ag-DHBT-GDE fabrication, enabling highly efficient CO₂ electrolysis to CO with remarkable performance and selectivity.

Cu gas diffusion electrodes based on hydrophobic polymer substrates show an enhanced selectivity towards C₂H₄ and C_≥2 products during the electrochemical reduction of CO₂ upon decreasing substrate pore size.

To address the underutilization of infrared light in photocatalysis, a synergistic CO₂ photoreduction and seawater desalination system was developed, which exhibited a good bifunctional performance.

Due to intrinsic difference between non-metal atoms and metal atoms, SACs with non-metal centers will also have unique characteristics, which would cause changes in the adsorption configuration of reaction intermediates, thereby regulating the reaction path.

CO₂ reduction in gas diffusion electrodes is modeled using direct numerical simulation, with species transport resolved in 2D throughout the catalyst layer, including steric effects. Modeling yields numerous ways to optimize GDE performance.

The key to efficient thermocatalytic conversion of CO₂ lies in the rational design of catalysts.

Defective ultrathin Bi₅O₇I nanotubes are designed by the combination of structure and defect engineering strategies to achieve highly active, selective, and stable performance for electrocatalytic reduction of CO₂ to formate.

The production of acetic acid from CO₂ is tuned by the atomic ordering and optimized chemical bonding in ternary chalcogenides.

Selective CO₂ hydrogenation to CO at low temperature (473 K or lower).

In a direct carbonate electrolysis system, a CO₂ diffusion layer enabled the production of CO-rich syngas.

Controllable adjustment of low-valent metal active sites near the pits can promote the WO_3−x surface charge delocalization, which dominates the formation of *CHO intermediates, thus customizing a unique reaction pathway for CO₂ reduction to CH₃OH.