Size‐Dependent Nickel‐Based Electrocatalysts for Selective CO2 Reduction DOI
Zhida Li, Dong He, Xingxu Yan

et al.

Angewandte Chemie International Edition, Journal Year: 2020, Volume and Issue: 59(42), P. 18572 - 18577

Published: July 20, 2020

Abstract Closing the anthropogenic carbon cycle by converting CO 2 into reusable chemicals is an attractive solution to mitigate rising concentrations of in atmosphere. Herein, we prepared Ni metal catalysts ranging size from single atoms over 100 nm and distributed them across N‐doped substrates which were obtained converted zeolitic imidazolate frameworks (ZIF). The results show variance reduction performance with size. demonstrate a superior Faradaic efficiency (FE) for selectivity (ca. 97 % at −0.8 V vs. RHE), while 4.1 nanoparticles are slightly lower 93 %). Further increase particle 37.2 allows H evolution reaction (HER) compete (CO RR). FE towards production decreases under 30 HER 70 %. These size‐dependent various sizes catalysts.

Language: Английский

Recent Trends, Benchmarking, and Challenges of Electrochemical Reduction of CO2 by Molecular Catalysts DOI
Kamal Elouarzaki, Vishvak Kannan,

Vishal Jose

et al.

Advanced Energy Materials, Journal Year: 2019, Volume and Issue: 9(24)

Published: May 9, 2019

Abstract CO 2 reduction using molecular catalysts is a key area of study for achieving electrical‐to‐chemical energy storage and feedstock chemical synthesis. Compared to classical metallic solid‐state catalysts, these often result in high performance selectivity, even under unfavorable aqueous environments. This review considers the recent state‐of‐the‐art electroreduction explains observed performance, therefore guiding design principles next generation molecules material/molecule hybrid electrodes. The most advances related issues are discussed.

Language: Английский

Citations

165

Nanostructured Copper‐Based Electrocatalysts for CO2 Reduction DOI
Zhengxiang Gu, H. F. Shen,

Longmei Shang

et al.

Small Methods, Journal Year: 2018, Volume and Issue: 2(11)

Published: July 29, 2018

Abstract The continuous increase of CO 2 concentration in the atmosphere has been imposing an imminent threat for global climate change and environmental hazards. In recent years, electrochemical or photochemical conversion into value‐added chemicals fuels received significant attention, as it may enable attractive means to mitigate atmospheric complete imbalanced carbon‐neutral energy cycle, well create renewable resources human use. Among different electrocatalysts being studied, Cu‐based materials have demonstrated only category candidates that allows a variety reducing products, including carbon monoxide, hydrocarbons, alcohols. Herein, reaction pathways catalysts C 1 2+ products are introduced. Then, parameters tuning summarized discussed, morphologies, compositions, crystal facets, oxide derivation. addition, various types electroreduction also described, particularly option electrolytes such aqueous, ionic liquids, organic solutions. Finally, current challenges discussed potential strategies facilitate future development summarized.

Language: Английский

Citations

163

Challenges and Opportunities in Electrocatalytic CO2 Reduction to Chemicals and Fuels DOI Creative Commons
Xiaojie She, Yifei Wang, Hui Xu

et al.

Angewandte Chemie International Edition, Journal Year: 2022, Volume and Issue: 61(49)

Published: Aug. 22, 2022

The global temperature increase must be limited to below 1.5 °C alleviate the worst effects of climate change. Electrocatalytic CO

Language: Английский

Citations

153

Rational Design of Ag‐Based Catalysts for the Electrochemical CO2 Reduction to CO: A Review DOI
Dalei Sun, Xiaomin Xu,

Qin Yan-ling

et al.

ChemSusChem, Journal Year: 2019, Volume and Issue: 13(1), P. 39 - 58

Published: Nov. 7, 2019

The selective electrochemical CO2 reduction (ECR) to CO in aqueous electrolytes has gained significant interest recent years due its capability mitigate the environmental issues associated with emission and convert renewable energy such as wind solar power into chemical well potential realize commercial use of . In view thermodynamic stability kinetic inertness molecules, exploitation active, selective, stable catalysts for ECR is crucial promote reaction efficiency. Indeed, plenty electrocatalysts have been explored, which Ag known most promising electrocatalyst large-scale several competitive advantages including high catalytic performance, low price, rich reserves compared other metal counterparts. To provide useful guidelines further development efficient CO, a comprehensive summary progress Ag-based presented this Review. Different modification strategies are highlighted, exposure crystal facets, tuning morphology size, introduction support materials, alloying metals, surface functional groups. mechanisms involved these different also discussed. Finally, prospects next-generation proposed an effort facilitate industrialization CO.

Language: Английский

Citations

151

Size‐Dependent Nickel‐Based Electrocatalysts for Selective CO2 Reduction DOI
Zhida Li, Dong He, Xingxu Yan

et al.

Angewandte Chemie International Edition, Journal Year: 2020, Volume and Issue: 59(42), P. 18572 - 18577

Published: July 20, 2020

Abstract Closing the anthropogenic carbon cycle by converting CO 2 into reusable chemicals is an attractive solution to mitigate rising concentrations of in atmosphere. Herein, we prepared Ni metal catalysts ranging size from single atoms over 100 nm and distributed them across N‐doped substrates which were obtained converted zeolitic imidazolate frameworks (ZIF). The results show variance reduction performance with size. demonstrate a superior Faradaic efficiency (FE) for selectivity (ca. 97 % at −0.8 V vs. RHE), while 4.1 nanoparticles are slightly lower 93 %). Further increase particle 37.2 allows H evolution reaction (HER) compete (CO RR). FE towards production decreases under 30 HER 70 %. These size‐dependent various sizes catalysts.

Language: Английский

Citations

145