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Generating Strong Metal-Support Interaction and Oxygen Vacancies in Cu/MgAlO Catalysts by CO Treatment for Enhanced CO Hydrogenation to Methanol.
ACS Appl Mater Interfaces
January 2025
Department of Chemical Engineering, and Guangdong Provincial Key Laboratory of Materials and Technologies for Energy Conversion (MATEC), Guangdong Technion Israel Institute of Technology (GTIIT), Guangdong 515063, China.
Strong metal-support interactions (SMSIs) are essential for optimizing the performance of supported metal catalysts by tuning the metal-oxide interface structures. This study explores the hydrogenation of CO to methanol over Cu-supported catalysts, focusing on the synergistic effects of strong metal-support interaction (SMSI) and oxygen vacancies introduced by the CO treatment to the catalysts on the catalytic performance. Cu nanoparticles were immobilized on Mg-Al layered double oxide (LDO) supports and modified with nitrate ions to promote oxygen vacancy generation.
View Article and Find Full Text PDFGeneral synthesis of neighboring dual-atomic sites with a specific pre-designed distance via an interfacial-fixing strategy.
Nat Commun
January 2025
Anhui University of Technology, Ma'anshan, Anhui, 243002, P. R. China.
A potential non-precious metal catalyst for oxygen reduction reaction should contain metal-N moieties. However, most of the current strategies to regulate the distances between neighboring metal sites are not pre-designed but depend on the probability by tuning the metal loading or the support. Herein, we report a general method for the synthesis of neighboring metal-N moieties (metal = Fe, Cu, Co, Ni, Zn, and Mn) via an interfacial-fixing strategy.
View Article and Find Full Text PDFPrecise Regulation of In Situ Exsolution Components of Nanoparticles for Constructing Active Interfaces toward Carbon Dioxide Reduction.
ACS Nano
January 2025
Key Laboratory of Hydraulic Machinery Transients, Ministry of Education, School of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China.
Metal nanocatalysts supported on oxide scaffolds have been widely used in energy storage and conversion reactions. So far, the main research is still focused on the growth, density, size, and activity enhancement of exsolved nanoparticles (NPs). However, the lack of precise regulation of the type and composition of NPs elements under reduction conditions has restricted the architectural development of in situ exsolution systems.
View Article and Find Full Text PDFElectrochemical stability of electrospun silicon/carbon nanofiber anode materials: a review.
Phys Chem Chem Phys
January 2025
School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China.
Silicon (Si) is regarded as a promising anode material owing to its high specific capacity and low lithiation potential. The large volume change and the pulverization of silicon during the lithiation/delithiation process hinder its direct energy storage application. This review focuses on the electrospun silicon/carbon (Si/C) nanofiber anode materials for lithium-ion batteries for long-term stable energy storage.
View Article and Find Full Text PDFEnhanced Cycle Performance of Rechargeable Li-CO Batteries Using Nanostructured AMnO (A = Ni, Zn, Co) Electrocatalysts.
ACS Appl Mater Interfaces
January 2025
Department of Chemical and Biological Engineering, University of New Mexico, Albuquerque, New Mexico 87131, United States.
Rechargeable Li-CO batteries face challenges of sluggish reaction kinetics and poor rechargeability. Highly efficient electrocatalysts are urgently needed to decompose the discharge product, LiCO. Mn-based transition metal oxides are regarded as promising candidates for improving the cycle performance and reaction kinetics of Li-CO batteries.
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