Progress in regulating the electrocatalytic CO<sub>2</sub> reduction performance through the synergistic effect of Cu-based bimetallics

Ma, Dandan; Chen, Jiantao; Zhang, Zhuoming; Li, Jun; Shi, Jian-Wen

doi:10.1039/d4ta01366b

J. Mater. Chem. A

2024

DOI: 10.1039/d4ta01366b

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Progress in regulating the electrocatalytic CO₂ reduction performance through the synergistic effect of Cu-based bimetallics

Dandan Ma,

Jiantao Chen,

Zhuoming Zhang

et al.

Abstract: As an effective way to implement net-zero CO2 emissions and storage of intermittent renewable energy, the reduction of CO2 into chemical fuels through electrochemical way has attracted tremendous interest. Monometallic...

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Cited by 5 publications

References 137 publications

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Electrocatalytic CO2 reduction over Ag/CuSn Electrodes: Modulation of C1, C2, and C3+ products

Gwon,

Young Hwang,

Bae

et al. 2024

Journal of Industrial and Engineering Chemistry

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Electrocatalytic CO2 reduction over Ag/CuSn Electrodes: Modulation of C1, C2, and C3+ products

Gwon,

Young Hwang,

Bae

et al. 2024

Journal of Industrial and Engineering Chemistry

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Construction of Cu-Modified g-C₃N₄ Nanosheets for Photoinduced CO₂ Reduction to CO and Selectivity Mechanism Insight

Qi,

Shen,

Cai

et al. 2024

ACS Appl. Nano Mater.

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Graphite polymeric carbon nitride (PCN) has been extensively applied to photocatalytic CO 2 reduction reactions, which are expected to enhance the reaction activity and improve product selectivity by introducing transition metals. In this work, we successfully prepared Cu-modified PCN (Cu-PCN) by a thermal polymerization approach and conducted a systematic and comprehensive exploration of the photocatalytic reduction of CO 2 and selective generation of CO reactions. A series of experiments and DFT results attest that a tiny amount of Cu anchor on PCN, forming an active site for activating CO 2 , can significantly mediate the electron transport to absorbed CO 2 molecul0065s through the Cu sites and improve the efficiency of the light-driven CO 2 reduction reaction. Asdesigned photocatalysts exhibit excellent photocatalytic reduction of CO 2 to a CO selectivity close to 100%. Detection of intermediates using in situ FT-IR reveals that *COOH is the critical intermediate and is a rate-limiting step in the overall reaction, which is consistent with DFT results. Our work makes up for these deficiencies in previous related research and provides a good reference for exploring the product selectivity of photocatalytic reduction of CO 2 .

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Cu-MOF and CuBi Double-Perovskite Composites for Selective CO₂ Electroreduction to HCOOH

Wang,

Sun

2024

ACS Sustainable Chem. Eng.

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One of the promising approaches to realize the anthropogenic CO 2 cycle and mitigate energy issues is electrochemical reduction of CO 2 to HCOOH; however, the development of electrocatalysts with high activity and selectivity toward HCOOH in a broad potential window is still a great challenge. In this sense, we designed Cu-MOF and CuBi double-perovskite composite catalysts and found that CuBi@Cu-MOF-15 with passivated urchin-like morphology achieved a maximum FE HCOOH of 93% at a low applied potential of −1.1 V and a current density of 91.0 mA cm −2 . According to the in situ ATR-FTIR data, CuBi@ Cu-MOF-15 is more favorable to stabilize *HCOO intermediates than Cu-MOF itself, which helps to promote the electrocatalytic reduction of CO 2 to HCOOH. This work will stimulate the creation of more sophisticated MOF-based electrocatalysts to support the use of CO 2 to produce liquid fuels.

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Progress in regulating the electrocatalytic CO₂ reduction performance through the synergistic effect of Cu-based bimetallics

Abstract: As an effective way to implement net-zero CO2 emissions and storage of intermittent renewable energy, the reduction of CO2 into chemical fuels through electrochemical way has attracted tremendous interest. Monometallic...

Cited by 5 publications

References 137 publications

Electrocatalytic CO2 reduction over Ag/CuSn Electrodes: Modulation of C1, C2, and C3+ products

Electrocatalytic CO2 reduction over Ag/CuSn Electrodes: Modulation of C1, C2, and C3+ products

Construction of Cu-Modified g-C₃N₄ Nanosheets for Photoinduced CO₂ Reduction to CO and Selectivity Mechanism Insight

Cu-MOF and CuBi Double-Perovskite Composites for Selective CO₂ Electroreduction to HCOOH

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Progress in regulating the electrocatalytic CO2 reduction performance through the synergistic effect of Cu-based bimetallics

Abstract: As an effective way to implement net-zero CO2 emissions and storage of intermittent renewable energy, the reduction of CO2 into chemical fuels through electrochemical way has attracted tremendous interest. Monometallic...

Cited by 5 publications

References 137 publications

Electrocatalytic CO2 reduction over Ag/CuSn Electrodes: Modulation of C1, C2, and C3+ products

Electrocatalytic CO2 reduction over Ag/CuSn Electrodes: Modulation of C1, C2, and C3+ products

Construction of Cu-Modified g-C3N4 Nanosheets for Photoinduced CO2 Reduction to CO and Selectivity Mechanism Insight

Cu-MOF and CuBi Double-Perovskite Composites for Selective CO2 Electroreduction to HCOOH

Contact Info

Product

Resources

About

Progress in regulating the electrocatalytic CO₂ reduction performance through the synergistic effect of Cu-based bimetallics

Construction of Cu-Modified g-C₃N₄ Nanosheets for Photoinduced CO₂ Reduction to CO and Selectivity Mechanism Insight

Cu-MOF and CuBi Double-Perovskite Composites for Selective CO₂ Electroreduction to HCOOH