Results 81 to 90 of about 583,507 (329)

Effect of Gas Content on Surface Charge Accumulation of Epoxy Insulator in C₄F₇N/CO₂/O₂ Mixture Under AC Voltage

Energies
Perfluoroisobutyronitrile (C4F7N) has emerged as a promising SF6 alternative due to its superior dielectric properties and acceptable environmental impact.
Chuanyun Zhu, Xiaohui Duan, Shuangying Li, Zhen Zhang, Jian Guan, Yuepeng Xin, Yu Gao   +6 more
doaj   +1 more source

A Compact Spin‐Coated Graphene UWB Antenna for Breast Tumor Detection

Advanced Engineering Materials, EarlyView.
A compact, spin‐coated graphene ultra‐wideband patch antenna designed for breast tumor detection, capable of distinguishing between malignant and benign tumors. This innovative antenna can serve as an effective initial screening tool, particularly in resource‐limited settings such as rural areas, where access to advanced medical equipment like MRI and ...
Raja Rashidul Hasan, Shuvra Saha, Sumit Hassan Eshan, Rinku Basak, Md. Nahian Al Subri Ivan, Ahmed Murtuza Saleque, Raja Tariqul Hasan Tusher, Sadia Zabin, Md. Abdur Rahman, Yuen Hong Tsang   +9 more
wiley   +1 more source

Charge transport mechanisms in corona charged polymeric materials

, 2013
Polymeric materials have been widely used as an insulator due to their excellent electrical properties, light weight and low cost. Surface potential measurement is one of the simplest and low cost tools to gauge electrical properties of materials.
Zhuang, Yuan
core  

Tailored Hierarchical Porous Copper Architectures via Three Dimensional Printing and Pressure‐less Sintering for Next‐Generation Lithium‐Metal Batteries

Advanced Engineering Materials, EarlyView.
A hierarchical porous copper current collector is fabricated via three‐dimensional printing combined with pressureless sintering to stabilize lithium metal anodes. The interconnected architecture lowers local current density, guides uniform Li deposition within pores, and suppresses dendrite growth.
Alok Kumar Mishra, Mukul Shukla
wiley   +1 more source

Near‐Field Electrospinning Micro‐Printhead Achieves Precise Control of Nanofiber Deposition

Advanced Engineering Materials, EarlyView.
A micro‐printhead for near‐field electrospinning enables reproducible deposition of polymer nanofibers with diameters below 50 nm. Systematic parameter studies uncover the mechanisms linking operating conditions to fiber morphology, paving the way for precise and low‐cost nanoscale 3D manufacturing.As a high‐resolution, cost‐effective, and rapid ...
Han Xu, Dario Mager, Jan G. Korvink
wiley   +1 more source

Measurement of surface potential decay of corona-charged polymer films using the pulsed electroacoustic method

, 2007
In this paper, the pulsed electroacoustic (PEA) technique that allows the determination of space charge in a dielectric material has been used to monitor the electrical potential decay of corona-charged polyethylene films of different thicknesses.
Xu, Z, Chen, G, Zhang, L W
core  

Incorporation of Selenium into Sol–Gel‐Derived Bioactive Glass: Influence on Glass Structure, Bioactivity, and its Selective Cytotoxicity

Advanced Engineering Materials, EarlyView.
Selenium was incorporated into a sol–gel‐derived bioactive glass to enable sustained therapeutic ion release. The selenium‐containing glass preserved bioactivity while selectively inducing cytotoxicity in osteosarcoma cells and maintaining osteoblastic viability.
Breno Rocha Barrioni, Thalita Marcolan Valverde, Talita Martins, Guilherme Mattos Jardim Costa, Alfredo Miranda de Goes, Marcello Rosa Dumont, Eduardo Henrique Martins Nunes, Marivalda de Magalhães Pereira   +7 more
wiley   +1 more source

Space charge determination in HVDC power cable and its influence on electric field

, 2010
Considerable amount of transmission and distribution of electricity is carried out by power cable. At present, most high voltage direct current (HVDC) installation uses traditional (oil-impregnated paper insulation and oil-filled-types) cables which pose
Choo, Chin Tze
core  

Charge Accumulation in the Homo-Crosslinked-Polyethylene Bilayer

, 2022
The homo-crosslinked-polyethylene (H-XLPE) bilayer simplifies the returned insulation structure of the factory joint in submarine cables, and its dielectric property is key to the reliability of the power transmission system.
Zhao, Wei, Chen, Xin, Wei Zhao, Huaqiang Li, Wenpeng Li, Li, Huaqiang, Li, Wenpeng, Jinghui Gao, Xin Chen, Zhong, Lisheng, Gao, Jinghui, Lisheng Zhong   +11 more
core   +1 more source

Electric Field and Charge Characteristics at the Gas–Solid Interface of a Scaled HVDC Wall Bushing Model

Applied Sciences
Ultra-high-voltage direct current (UHVDC) wall bushings are critical components in DC transmission systems, ensuring insulation integrity and operational reliability.
Wenhao Lu, Xiaodi Ouyang, Jinyin Zhang, Xiang Xie, Xiaoxing Wei, Feng Wang, Mingchun Hou, She Chen   +7 more
doaj   +1 more source