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Enhanced Performance of Lithium-Sulfur Batteries Using Construction Wastes: A Sustainable Approach to High-Loading Sulfur Cathodes.
ChemSusChem
November 2024
Department of Materials Science and Engineering, National Cheng Kung University, No.1, University Road, Tainan City, 70101, Taiwan.
Article Synopsis
- * A major hurdle is the poor conductivity of sulfur cathodes, which can be improved through the use of conductive carbon materials to enhance sulfur loading and polysulfide retention.
- * This study innovatively uses recycled materials, like quartz and shelf boards, coated with graphene to boost battery performance significantly, while also supporting green chemistry and reducing waste.
A Flexible Terahertz Metamaterial Sensor for Pesticide Sensing and Detection.
ACS Appl Mater Interfaces
May 2024
School of Information and Communications Engineering, Xi'an Jiaotong University, Xi'an 710049, China.
Terahertz (THz) waves have garnered significant interest across various fields, particularly in high-sensitivity sensing applications. Metamaterials can be employed in THz sensors, specifically for refractive index sensing and pesticide detection due to their high-sensitivity characteristics. In this Article, a dual-band flexible THz metamaterial sensor based on polyimide is proposed for refractive index and pesticide sensing, which is fabricated using ultraviolet (UV) lithography technology and measured by a THz time-domain spectroscope (TDS) system.
View Article and Find Full Text PDFEvaluation of Osteoconductive and Antimicrobial Properties of Novel Graphene on Dental Implants: An In Vitro Study.
Cureus
February 2024
Research scholar, Department of Public Health Dentistry, KLE Vishwanath Katti Institute of Dental Sciences, KLE Academy of Higher Education and Research, Belagavi, IND.
Introduction Graphene oxide (GO) has emerged as a promising material in dentistry, leveraging its exceptional properties. This study evaluates the physicochemical attributes of GO and elucidates its derived biological properties. These encompass biocompatibility, antibacterial efficacy, as well as its influence on osteogenic and odontogenic differentiation processes.
View Article and Find Full Text PDFEffect of In Situ NbC-CrC@graphene/Fe Nanocomposite Inoculant Modification and Refinement on the Microstructure and Properties of W18Cr4V High-Speed Steel.
Materials (Basel)
February 2024
Department of Basic, Army Military Transportation University, Tianjin 300161, China.
A novel graphene-coated nanocrystalline ceramic particle, iron-based composite inoculant was developed in this study to optimize the as-cast microstructure and mechanical properties of W18Cr4V high-speed steel (HSS). The effects of the composite inoculant on the microstructure, crystal structure, and mechanical properties of HSS were analyzed using transmission electron microscopy, scanning electron microscopy, energy dispersive spectroscopy, and X-ray diffraction. The (002-) and (020) crystal planes of the FeC and CrC phases, respectively, were collinear at two points in the reciprocal space, indicating a coherent relationship between the FeC and CrC phases in the tempered modified HSS.
View Article and Find Full Text PDFHighly Sensitive Detection of Formaldehyde by Laser-Induced Graphene-Coated Silver Nanoparticles Electrochemical Sensing Electrodes.
Langmuir
September 2023
School of Chemical Engineering, Sichuan University, Chengdu 610065, China.
Formaldehyde (HCHO) poses a grave threat to human health because of its toxicity, but its accurate, sensitive, and rapid detection in aqueous solutions remains a major challenge. This study proposes a novel electrochemical sensor composed of a graphene-based electrode that is prepared via laser induction technology. The precursor material, polyimide, is modified via the metal ion exchange method, and the detective electrode is coated with graphene and silver nanoparticles.
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