Copper-triggered delocalization of bismuth p-orbital favours high-throughput CO2 electroreduction

Coupling Value‐Added Anodic Reactions with Electrocatalytic CO2 Reduction

“…In general, the performance of CO 2 electrolysis system can be evaluated by several metrics, including Faradaic efficiency, current density (or reaction rate), energy efficiency, and electrochemical stability. [44] Faradaic efficiency of a specific CO 2 RR product reflects the selectivity of electrocatalyst, while partial current density (FE × j total ) measures the reaction rate for a given product, namely the catalytic activity. These two metrics are often focused during the initial evaluation of catalyst developments for their application potentials.…”

Selective CO2 Electroreduction to Formate on Polypyrrole‐Modified Oxygen Vacancy‐Rich Bi2O3 Nanosheet Precatalysts by Local Microenvironment Modulation

“…[ 1,2 ] As an important liquid product in the CO 2 conversion process, formic acid is non‐toxic, easy to store and stably transported, and is widely used in various energy and industrial fields such as hydrogen storage and fuel cells. [ 3–7 ] However, in numerous reports, the poor selectivity and low efficiency of formic acid production are mainly attributed to the high overpotential and competitive hydrogen evolution reaction (HER) of the multiple electron transfer route. [ 8–10 ] In recent years, some main group metals (e.g., Sn, Pb, In, Tl) and transition metals (e.g., Cd, Hg), with 10‐electron configuration, have been reported to selective electrocatalytic CO 2 reduction reaction (CO 2 RR) for formic acid production.…”

“…[1,2] As an important liquid product in the CO 2 conversion process, formic acid is non-toxic, easy to store and stably transported, and is widely used in various energy and industrial fields such as hydrogen storage and fuel cells. [3][4][5][6][7] However, in numerous reports, the poor selectivity and low efficiency of formic acid production are mainly hierarchically structured Cu dendrites with 1-octadecanethiol could generate a superhydrophobic surface and thus increase the concentration of CO 2 at the electrode-solution interface and consequently increase CO 2 reduction selectivity. [23] Wang and co-workers modified the Cu catalyst surface with superbase molecules to improve the catalyst/electrolyte interfacial environmental and promote high-value C2+ products in the electrochemical CO 2 RR [24,25] .…”

Calixarene-Functionalized Stable Bismuth Oxygen Clusters for Specific CO2-to-HCOOH Electroreduction

“…The extensive emission of CO 2 has led to serious environmental problems and energy crisis. − The conversion of CO 2 into high-value fuels or chemicals by renewable electricity is expected to serve as an important means to alleviate the greenhouse effect and energy crisis. − Among the liquid products of the electrocatalytic CO 2 reduction reaction (ECR), formic acid, which is nontoxic and stable, has great advantages in storage and transportation and has promising applications in hydrogen storage and fuel cells. − Many electrocatalysts have been reported to convert CO 2 to HCOOH with high efficiency and selectivity, and the current focus is on bismuth-based, multivariate, and composite nanomaterials due to their relatively higher selectivity and Faraday efficiencies (FEs) for HCOOH production. − However, these multiphasic hybrid catalyst materials always lack clear structural information and their interfacial information is relatively complicated, which makes them difficult to identify catalytically active components accurately . Therefore, it is essential to design well-defined and stable catalysts with clear active sites to further investigate the specific conversion mechanism of CO 2 to HCOOH. ,− …”