Regulation Strategy of Nanostructured Engineering on Indium‐Based Materials for Electrocatalytic Conversion of CO2 DOI
Wenbo Wu, Yun Tong, Pengzuo Chen

et al.

Small, Journal Year: 2023, Volume and Issue: 20(9)

Published: Oct. 16, 2023

Abstract Electrochemical carbon dioxide reduction (CO 2 RR), as an emerging technology, can combine with sustainable energies to convert CO into high value‐added products, providing effective pathway realize neutrality. However, the activation energy of , low mass transfer, and competitive hydrogen evolution reaction (HER) leads unsatisfied catalytic activity. Recently, Indium (In)‐based materials have attracted significant attention in RR a series regulation strategies nanostructured engineering are exploited rationally design various advanced In‐based electrocatalysts, which forces necessary comprehensive fundamental summary, but there is still scarcity. Herein, this review provides systematic discussion nanostructure for efficient electrocatalytic conversion fuels. These including morphology, size, composition, defects, surface modification, interfacial structure, alloying, single‐atom summarized exploring internal relationship between performance physicochemical properties catalysts. The correlation electronic structure adsorption behavior intermediates highlighted gain in‐depth understanding kinetics RR. Moreover, challenges opportunities proposed, expected inspire development other catalysts

Language: Английский

Oxygen Vacancies‐Rich Metal Oxide for Electrocatalytic Nitrogen Cycle DOI
Xiaoxiao Wei, Chen Chen, Xian‐Zhu Fu

et al.

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 14(1)

Published: Nov. 13, 2023

Abstract The development of industry and agriculture has been accompanied by an artificially imbalanced nitrogen cycle, which threatens human health ecological environments. Electrocatalytic systems have emerged as a sustainable way converting nitrogen‐containing molecules into high value‐added chemicals. However, the construction high‐performance electrocatalysts remains challenging. oxygen vacancy engineering strategy promoted more research efforts to explore structure‐activity relationship between catalytic activity vacancies. This review systematically summarizes recent vacancies‐rich metal oxides for electro‐catalyzing cycling systems, involving electrocatalytic nitrate reduction reaction, nitric oxide C─N coupling, urea oxidation reaction. First, methods characterization vacancies are summarized. Then, effect on is discussed in terms regulating electronic structures electrocatalysts, improving electroconductivity catalysts, lowing energy barrier, strengthening adsorption activation intermediate species. Finally, future directions cycle anticipated.

Language: Английский

Citations

57
Nanoscale Engineering of P‐Block Metal‐Based Catalysts Toward Industrial‐Scale Electrochemical Reduction of CO2 DOI
Pengfei Li, Fangqi Yang, Jing Li

et al.

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(34)

Published: July 27, 2023

Abstract The efficient conversion of CO 2 to value‐added products represents one the most attractive solutions mitigate climate change and tackle associated environmental issues. In particular, electrochemical reduction fuels chemicals has garnered tremendous interest over last decades. Among all from reduction, formic acid is considered economically vital products. P‐block metals (especially Bi, Sn, In, Pb) have been extensively investigated recognized as catalytic materials for electroreduction formate. Despite remarkable progress, future implementation this technology at industrial‐scale hinges on ability solve remaining roadblocks. review, current research status, challenges, prospects p‐block metal‐based catalysts primarily formate are comprehensively reviewed. rational design nanostructure engineering these metal optimization their performances discussed in detail. Subsequently, recent progress development state‐of‐the‐art operando characterization techniques together with advanced cells uncover intrinsic catalysis mechanism discussed. Lastly, a perspective directions including tackling critical challenges realize its early industrial presented.

Language: Английский

Citations

47
Understanding Bridging Sites and Accelerating Quantum Efficiency for Photocatalytic CO2 Reduction DOI Creative Commons

Kangwang Wang,

Zhuofeng Hu, Peifeng Yu

et al.

Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 16(1)

Published: Nov. 6, 2023

We report a novel double-shelled nanoboxes photocatalyst architecture with tailored interfaces that accelerate quantum efficiency for photocatalytic CO

Language: Английский

Citations

47
Built-in Electric Field Promotes Interfacial Adsorption and Activation of CO2 for C1 Products over a Wide Potential Window DOI
Xin Zhao, Qingguo Feng, Mengjie Liu

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(13), P. 9678 - 9687

Published: March 24, 2024

The unsatisfactory adsorption and activation of CO2 suppress electrochemical reduction over a wide potential window. Herein, the built-in electric field (BIEF) at CeO2/In2O3 n–n heterostructure realizes C1 (CO HCOO–) selectivity 90.0% in broad range potentials from −0.7 to −1.1 V with maximum value 98.7 ± 0.3% −0.8 V. In addition, current density (−1.1 V) BIEF is about 2.0- 3.2-fold that In2O3 physically mixed sample, respectively. experimental theoretical calculation results indicate introduction CeO2 triggered charge redistribution formed interfaces, which enhanced interfacial low overpotentials. Furthermore, promoting effect was also extended CeO2/In2S3. This work gives deep understanding engineering for highly efficient electroreduction

Language: Английский

Citations

38
Unveiling pH‐Dependent Adsorption Strength of *CO2− Intermediate over High‐Density Sn Single Atom Catalyst for Acidic CO2‐to‐HCOOH Electroreduction DOI Creative Commons
Bin Sun,

Zaiqi Li,

Difei Xiao

et al.

Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(14)

Published: Feb. 16, 2024

Abstract The acidic electrochemical CO 2 reduction reaction (CO RR) for direct formic acid (HCOOH) production holds promise in meeting the carbon‐neutral target, yet its performance is hindered by competing hydrogen evolution (HER). Understanding adsorption strength of key intermediates electrolyte indispensable to favor RR over HER. In this work, high‐density Sn single atom catalysts (SACs) were prepared and used as catalyst, reveal pH‐dependent coverage *CO − intermediatethat enables enhanced towards HCOOH production. At pH=3, SACs could deliver a high Faradaic efficiency (90.8 %) formation corresponding partial current density up −178.5 mA cm −2 . detailed situ attenuated total reflection Fourier transform infrared (ATR‐FTIR) spectroscopic studies that favorable alkaline microenvironment formed near surface SACs, even electrolyte. More importantly, intermediate unravelled which turn affects competition between HER

Language: Английский

Citations

36
Photocatalysis toward Microplastics Conversion: A Critical Review DOI
Ganghua Zhou,

Hangmin Xu,

Hao Song

et al.

ACS Catalysis, Journal Year: 2024, Volume and Issue: 14(11), P. 8694 - 8719

Published: May 20, 2024

Microplastics (MPs, particle size < 5 mm) have become increasingly ubiquitous on Earth due to the cleavage and degradation of heavy use plastics. MPs recently been reported be detected in human blood, alveoli, breast milk, embryos, other organs, raising concerns about their environmental risks. Photocatalysis has identified as a potential means for conversion, which utilizes solar energy stimulate semiconductor photocatalyst. However, study photocatalytic conversion is still incubation period. This review overviews current state-of-the-art technologies conversion. Then, fundamental principles, challenges, analytical techniques, evaluation indexes reforming are highlighted. We systematically summarized recent advances key factors influencing performance. Finally, we propose some perspectives developing efficient systems MPs. will provide guideline applying technology MPs, significantly contribute this emerging research field.

Language: Английский

Citations

35
Recent advances of metal suboxide catalysts for carbon‐neutral energy applications DOI Creative Commons
Shan Ding, Jingjing Duan, Sheng Chen

et al.

EcoEnergy, Journal Year: 2024, Volume and Issue: 2(1), P. 45 - 82

Published: Feb. 22, 2024

Abstract Metal suboxides have emerged as a class of promising candidates for many electrocatalytic applications owing to their enhanced electrical conductivity and chemical activities. In this review, we summarized the recent progress metal suboxides. We firstly introduced discovery suboxides, categories according element tables. Then various synthetic methods been systematically illustrated involving solid‐state synthesis, high‐temperature low‐temperature synthesis plasma‐driven methods, etc. addition, demonstrated in field water, carbon nitrogen cycle‐based energy catalysis technologies electrochemical hydrogen evolution reaction, oxygen reduction dioxide reduction, urea oxidation methanol reaction nitrate Finally, make brief conclusion about developments giving an outlook future research challenges. These insights are expected hold promise developing suboxide catalysts toward practical applications.

Language: Английский

Citations

28
Synergistic effect of oxygen species and vacancy for enhanced electrochemical CO2 conversion to formate on indium oxide DOI Creative Commons
Tengfei Ma, Zihao Jiao, Haoran Qiu

et al.

eScience, Journal Year: 2024, Volume and Issue: 4(3), P. 100246 - 100246

Published: Feb. 2, 2024

Indium-based oxides are promising electrocatalysts for producing formate via CO2 reduction reaction, in which *OCHO is considered the key intermediate. Here, we identified that *COOH pathway could be preferential to produce on In2O3 of In/In2O3 heterojunction due synergistic effect oxygen species and vacancy. Specifically, *CO2 were observed related production by situ Raman spectroscopy. The theoretical calculations further demonstrated energy barrier formation was decreased presence vacancy, similar or lower than In surface. As a result, selectivity over 90% obtained prepared with 343 ± 7 mA cm–2 partial current density. Furthermore, when using Si-based photovoltaic as an supplier, 10.11% solar–to–fuel efficiency achieved.

Language: Английский

Citations

19
Oxygen‐Pinned Ag1In Single‐Atom Alloy for Efficient Electroreduction CO2 to Formate DOI

Chaoqiong Fang,

Lijun Huang,

Wenqiang Gao

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(27)

Published: May 2, 2024

Abstract Catalytic conversion of CO 2 to valuable formate provides a pathway carbon neutrality. Indium (In), as promising catalyst, exhibits high selectivity toward due its suitable bonding ability *OCHO intermediates. However, it still suffers from the activation and protonation steps, leading low activity productivity. Here, an oxygen‐pinned stabilization AgIn single‐atom alloy (O p ‐Ag 1 In) is presented for efficiently converting into (≈92.03% Faradaic efficiency) with partial current density 13 mA cm −2 at −0.95 V vs RHE by using standard H‐type reactor. The O In electrocatalyst more effective in because activated sites catalyst regulate step RR formation sufficient amounts *OCHO, which are confirmed situ spectroscopic theoretical calculations. continuous production showcased 70 –2 24 h utilizing flow cell In.

Language: Английский

Citations

17
In‐situ Reconstruction of Catalyst in Electrocatalysis DOI Creative Commons
Jinxian Feng, X.‐S. Wang, Hui Pan

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 22, 2024

Abstract Reconstruction of catalysts is now well recognized as a common phenomenon in electrocatalysis. As the reconstructed structure may promote or hamper electrochemical performance, how to achieve designed active surface for highly enhanced catalytic activity through reconstruction needs be carefully investigated. In this review, genesis and effects various processes, such hydrogen evolution reaction (HER), oxygen (OER), carbon dioxide reduction (CO 2 RR), nitrate (NO 3 RR) are first described. Then, strategies optimizing reconstruction, valence states control, phase retention, engineering, poisoning prevention comprehensively discussed. Finally, general rules optimization summarized give perspectives future study. It believed that review shall provide deep insights into electrocatalytic mechanisms guide design pre‐catalysts with improved activity.

Language: Английский

Citations

17