Environment of Metal–O–Fe Bonds Enabling High Activity in CO2 Reduction on Single Metal Atoms and on Supported Nanoparticles

2021 ◽  
Vol 143 (14) ◽  
pp. 5540-5549
Author(s):  
Yifeng Zhu ◽  
Simuck F. Yuk ◽  
Jian Zheng ◽  
Manh-Thuong Nguyen ◽  
Mal-Soon Lee ◽  
...  
Keyword(s):  
High Activity ◽  
Co2 Reduction ◽  
Supported Nanoparticles ◽  
Metal Atoms

Single metal atoms regulated flexibly by a 2D InSe substrate for CO2 reduction electrocatalysts

2019 ◽  
Vol 7 (14) ◽  
pp. 8210-8217 ◽  
Author(s):  
Chen-Xu Zhao ◽  
Guo-Xu Zhang ◽  
Wang Gao ◽  
Qing Jiang
Keyword(s):  
Co2 Reduction ◽  
Metal Atoms

The CO2 electroreduction reaction (CRR) is impeded by the low selectivity and high limiting potential of catalysts.

CO2 Reduction on Single-Atom Ir Catalysts with Chemical Functionalization

2022 ◽  
Author(s):  
Zheng-Zhe Lin ◽  
Xi-Mei Li ◽  
Xin-Wei Chen ◽  
Xi Chen
Keyword(s):  
Co2 Reduction ◽  
Catalytic Performance ◽  
Single Atom ◽  
Electrochemical Reactions ◽  
Catalytic Systems ◽  
Chemical Functionalization ◽  
Metal Atoms

As promising catalytic systems, single-atom catalysts (SACs) demonstrate improved catalytic performance for electrochemical reactions. However, the pinning of metal atoms on surfaces usually depends on the adsorption on defects. In...

Thermally stable cobalt amide cyanide as high-activity and durable bifunctional electrocatalyst toward O2 and CO2 reduction

2020 ◽  
Vol 353 ◽  
pp. 136605
Author(s):  
Yaping Li ◽  
Suqin Ci ◽  
Pingwei Cai ◽  
N. Senthilkumar ◽  
Zhenhai Wen
Keyword(s):  
High Activity ◽  
Co2 Reduction ◽  
Thermally Stable ◽  
Bifunctional Electrocatalyst

Ag/Ag2SO3 plasmonic catalysts with high activity and stability for CO2 reduction with water vapor under visible light

2016 ◽  
Vol 23 (18) ◽  
pp. 18369-18378 ◽  
Author(s):  
Da Wang ◽  
Yan Yu ◽  
Zhipeng Zhang ◽  
Huiying Fang ◽  
Jianmeng Chen ◽  
...  
Keyword(s):  
Water Vapor ◽  
Visible Light ◽  
High Activity ◽  
Co2 Reduction

scholarly journals Scalable fabrication of high activity nanoporous copper powders for electrochemical CO2 reduction via ball milling and dealloying

2021 ◽  
Vol 45 ◽  
pp. 101454
Author(s):  
Zhen Qi ◽  
Monika M. Biener ◽  
Ajay R. Kashi ◽  
Sara Hunegnaw ◽  
Alvin Leung ◽  
...  
Keyword(s):  
High Activity ◽  
Ball Milling ◽  
Co2 Reduction ◽  
Nanoporous Copper ◽  
Copper Powders ◽  
Electrochemical Co2 Reduction

scholarly journals Comparing Molecular Mechanisms in Solar NH3 Production and Relations with CO2 Reduction

2020 ◽  
Author(s):  
Domenico Mallamace ◽  
Georgia Papanikolaou ◽  
Siglinda Perathoner ◽  
Gabriele Centi ◽  
Paola Lanzafame
Keyword(s):  
N2 Fixation ◽  
Fossil Fuels ◽  
Molecular Mechanisms ◽  
Co2 Reduction ◽  
Enzymatic Conversion ◽  
Plasma Catalysis ◽  
Oxide Hydroxide ◽  
Metal Atoms ◽  
Simultaneous Transfer ◽  
Defective Sites

Molecular mechanisms for N2 fixation (solar NH3) and CO2 conversion to C2+ products in enzymatic conversion (Nitrogenase), electrocatalysis, metal-complexes and plasma-catalysis are analysed and compared. It is evidenced that differently from what present in thermal and plasma-catalysis, the electrocatalysis path requires not only the direct coordination and hydrogenation of undissociated N2 molecule, but to realize a series of features present in the Nitrogenase mechanism. There is the need of i) a multi-electron and -proton simultaneous transfer, not as sequential steps, ii) forming bridging metal hydride species, iii) generate intermediates stabilized by bridging multiple metal atoms, iv) have the capability of the same sites to be effective both in N2 fixation and in COx reduction to C2+ products. Only iron oxide/hydroxide stabilized at defective sites of nanocarbons was found to have these features. This comparison of the molecular mechanisms in solar NH3 production and relations with CO2 reduction is proposed to be a source of inspiration to develop the next generation electrocatalysts to address the challenging transition to a future sustainable energy and chemistry beyond fossil fuels.

scholarly journals A High-Throughput, Solvent Free Method for Dispersing Metal Atoms Directly onto Supports

2021 ◽  
Author(s):  
Emerson Cristofer Kohlrausch ◽  
Higor A. Centurion ◽  
Rhys Lodge ◽  
Xuanli Luo ◽  
Thomas Slater ◽  
...  
Keyword(s):  
High Activity ◽  
High Throughput ◽  
Energy Efficient ◽  
Metal Catalysts ◽  
Solvent Free ◽  
Catalytic Reactions ◽  
Support Materials ◽  
Metal Atoms ◽  
Atom Energy

Atomically-dispersed metal catalysts (ADMCs) on surfaces have demonstrated high activity and selectivity in many catalytic reactions. However, dispersing and stabilising individual atoms in support materials in an atom/energy-efficient scalable way...

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