Results 31 to 40 of about 58,069 (265)

Sonochemical synthesis and electrochemical performance of reduced graphene oxide/cerium dioxide nanocomposites

open access: yesJournal of Chemical Research, 2023
Reduced graphene oxide/cerium dioxide (is synthesized by a simple sonochemical route. The morphology and chemical structure of the nanocomposites are characterized by scanning electron microscopy, energy disperse spectroscopy, insitu infrared ...
Rui Bai   +9 more
doaj   +1 more source

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

open access: yesAdvanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich   +3 more
wiley   +1 more source

Synthesis and characterization of graphene and its composites for Lithium-Ion battery applications: A comprehensive review

open access: yesAlexandria Engineering Journal, 2023
In recent years, the demand for high performance rechargeable lithium-ion batteries has grown dramatically and numerous initiatives were taken to enhance the usage of cutting edge electrical conducting materials. The graphene and graphene-based materials
L. Syam Sundar   +3 more
doaj   +1 more source

Multimodal Data‐Driven Microstructure Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang   +4 more
wiley   +1 more source

Systematic Comparison of Graphene Materials for Supercapacitor Electrodes

open access: yesChemistryOpen, 2019
A comparison of the performance of graphene‐based supercapacitors is difficult, owing to the variety of production methods used to prepare the materials.
Lewis W. Le Fevre   +4 more
doaj   +1 more source

Development of poly (ethylene-co-vinyl acetate) (EVA) nanocomposites and foams reinforced with reduced graphene oxide [PDF]

open access: yesREM: International Engineering Journal
Graphene and reduced graphene oxide are promising materials that are increasingly used in the field of polymer materials. In this study, reduced graphene oxide was prepared by chemical exfoliation of graphite, and subsequently, used in different amounts ...
Bruna Rossi Fenner   +4 more
doaj   +1 more source

Microstructure Reconstruction in Battery Electrodes Using Machine Learning Based on Low‐Voltage Focused Ion Beam–Scanning Electron Microscopy Tomography Images

open access: yesAdvanced Engineering Materials, EarlyView.
Low‐voltage FIB‐SEM tomography combined with a image preprocessing pipeline improves phase contrast and enables reliable machine‐learning segmentation of conductive networks in lithium‐ion battery electrodes. Structural descriptors are extracted from segmented images, done semimanually and automated, and compared.
Lisa Beran   +6 more
wiley   +1 more source

Functionalization of Graphene and Reduced Graphene Oxide in Different Matrices [PDF]

open access: yesAdvanced Materials Letters, 2019
Graphene (G) presents a huge variety of intriguing properties, as extraordinary electronic transport characteristics. G, thanks to its low chemical reactivity, can also be used as an active support for catalytic nanoparticles. Some possible graphene application could be: its employment in active material in electronic devices such as sensors [1 ...
Celasco,E., Sangermano,M.
openaire   +1 more source

Ni Nanoparticles on the Reduced Graphene Oxide Surface Synthesized in Supercritical Isopropanol

open access: yesNanomaterials, 2023
Nanocomposites based on ferromagnetic nickel nanoparticles and graphene-related materials are actively used in various practical applications such as catalysis, sensors, sorption, etc.
Yulia Ioni   +3 more
doaj   +1 more source

Microstructure, Thermal Transport, and Dry‐Sliding Tribology of Powder‐Metallurgy Al7075 Composites Reinforced With Sol–Gel‐Derived ZnO–rGO Hybrid Nanoparticles

open access: yesAdvanced Engineering Materials, EarlyView.
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal   +3 more
wiley   +1 more source

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