Results 261 to 270 of about 11,300,632 (342)

Spin‐State Modulation of Atomic Iron Sites Enables Efficient CO2 Electroreduction in Acid Medium

Angewandte Chemie, EarlyView.
An axial oxygen ligand was added to shift the spin state of the single‐atom Fe site from low to medium spin. This change reduces the interfacial interaction with H3O+ and decreases the *CO desorption energy, thus enhancing CO2RR in acidic media.
Shanhe Gong, Yanjie Zhai, Qing Xia, Xu Han, Weisong Li, Yiran Ying, Jie Wu, Yingying Zhou, Xiaojie She, Zhaolong Wang, Chundu Wu, Xiaomeng Lv, Xiao Zhang, Shu Ping Lau   +13 more
wiley   +1 more source

Coupling Electrochemical CO2 Reduction With Ethanol Oxidation for Acetate Production in a Dual‐Electrolyzer System

Angewandte Chemie, EarlyView.
A tandem cell system coupling electrochemical CO2 reduction and electrochemical ethanol oxidation is demonstrated for overall acetate production, providing concepts for a CO2‐negative bioethanol to acetate pathway. ABSTRACT Bioethanol production from biomass is suggested as a strategy for greener fuel production.
Anirudha Shekhawat, Shubhadeep Chandra, Ridha Zerdoumi, Bashir Eid, Muhammad Adib Abdillah Mahbub, Wolfgang Schuhmann   +5 more
wiley   +1 more source

Convergent Valorization via Scalable C═N Bond Electrosynthesis Through Metal‐Dopant Interfacial Engineering in a Flow Electrolyzer

Angewandte Chemie, EarlyView.
This study establishes an innovative approach to synthesize organonitrogens featuring C═N bonds efficiently using non‐precious metal‐doped MoS2 in a flow electrolyzer. Fe dopant significantly enhances Faradaic efficiency and yield rate, achieving over 81% and 2630 mmol h−1 g−1 for formaldoxime production. This platform upcycles pollutants into valuable
Ruijie Yi, Jiu Chen, Xiaoyong Mo, Tian Zeng, Jingtao Zhou, Fulai Liu, Shu‐Chih Haw, Yong Chen, Ruosong Li, Edmund C. M. Tse   +9 more
wiley   +1 more source

Thermocatalytic epoxidation by cobalt sulfide inspired by the material's electrocatalytic activity for oxygen evolution reaction.

Catal Sci Technol
Wyss V, Dinu IA, Marot L, Palivan CG, Delley MF.   +4 more
europepmc   +1 more source

Contra‐Diffusion Engineering of Single‐Atom Catalytic Interlayers Enables Reversible Sulfur Redox Chemistry

Angewandte Chemie International Edition, EarlyView.
A contra‐diffusion strategy is introduced to grow uniformly distributed Co–Nx single‐atom catalysts (CoSAs) within a carbonized aramid nanofiber (CANF) interlayer. The resulting CD‐CANF enables efficient polysulfide regulation, low metal loading, and exceptional long‐term cycling stability in lithium–sulfur batteries. ABSTRACT Achieving durable lithium–
Yan‐Jhang Chen, Tsung‐I. Yeh, Chia‐Yu Chang, Wei‐Ming Huang, Jing‐Yu Li, Mohamed Gamal Mohamed, Shiao‐Wei Kuo, Bing‐Joe Hwang, Yun‐Sheng Ye   +8 more
wiley   +1 more source

Heptanuclear Mixed-Valence Co₄^IIICo₃^II Molecular Wheel─A Molecular Analogue of Layered Double Hydroxides with Single-Molecule Magnet Behavior and Electrocatalytic Activity for Hydrogen Evolution Reactions. [PDF]

Inorg Chem
Biswas B, Siddiqui AI, Majee MC, Saha SK, Mondal B, Saha R, Gómez García CJ.   +6 more
europepmc   +1 more source

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Imaging the electrocatalytic activity of single nanoparticles

Nature Nanotechnology, 2012
The electrocatalytic properties of nanoparticles depend on their size, shape and composition. These properties are typically probed by measuring the total electrocatalytic reaction current of a large number of nanoparticles, but this approach is time-consuming and can only measure the average catalytic activity of the nanoparticles under study. However,
Xiaonan, Shan, Ismael, Díez-Pérez, Luojia, Wang, Peter, Wiktor, Ying, Gu, Lihua, Zhang, Wei, Wang, Jin, Lu, Shaopeng, Wang, Qihuang, Gong, Jinghong, Li, Nongjian, Tao   +11 more
openaire   +4 more sources

Why approximating electrocatalytic activity by a single free‐energy change is insufficient

Electrochimica Acta, 2021
Progress in the area of electrocatalysis has been spurred by theoretical predictions, using the free energies of reaction intermediates within the electrocatalytic cycle as a measure to assess electrocatalytic activity.
K. Exner
semanticscholar   +1 more source

Intrinsic Electrocatalytic Activity Regulation of M-N-C Single-Atom Catalysts for Oxygen Reduction Reaction.

Angewandte Chemie, 2020
Sustainable energy supply and sufficient chemical production are highly dependent on many essential catalytic processes for our sustainable society. On pursuing next-generation catalysts, single-atom catalysts (SACs) with high-active sites atomically ...
Chang‐Xin Zhao, Bo‐Quan Li, Jia‐Ning Liu, Qiang Zhang   +3 more
semanticscholar   +1 more source

Tailoring the bifunctional electrocatalytic activity of electrodeposited molybdenum sulfide/iron oxide heterostructure to achieve excellent overall water splitting

Chemical Engineering Journal, 2021
Development of facile strategies to directly fabricate the noble-metal-free heterostructure on the conducting substrate and tailoring its electrocatalytic activity are crucial to achieve the superior overall water splitting activity.
Subhasis Shit, Saikat Bolar, N. C. Murmu, Tapas Kuila   +3 more
semanticscholar   +1 more source