Results 51 to 60 of about 97,141 (251)

Corona characteristics of conductor with TiO(2) hydrophilic film subjected to DC high voltage

open access: yesThe Journal of Engineering, 2019
Water drops on the surface of conductors influence the ambient electric fields and decrease corona inception voltage. A conductor coated with TiO(2) film was developed to prevent effects of droplets.
Xingming Bian   +6 more
doaj   +1 more source

Research on discharge phenomenon caused by cross‐adsorption of linear insulating fibre and metal dust under DC voltage

open access: yesHigh Voltage, 2022
A large amount of metal dust is often generated during production and operation of Gas Insulated Switchgear/Gas‐Insulated Transmission Line, and insulating fibres are very easy to mix in during assembly.
Ruixue Liang   +4 more
doaj   +1 more source

Charge Generation and Recombination Pathways in All‐Polymer Bulk Heterojunction Solar Cells

open access: yesAdvanced Functional Materials, EarlyView.
Multimodal spectroscopy and device analysis reveal how field‐dependent charge generation, transport limitations, and non‐geminate recombination govern performance losses in all polymer solar cells. The results identify the key processes controlling charge extraction and recombination, providing insights for the design of more efficient all‐polymer ...
Shahidul Alam   +17 more
wiley   +1 more source

Influence of the clamping force on the power cycling lifetime reliability of press pack IGBT sub-module

open access: yesThe Journal of Engineering, 2019
The clamping force is the most important parameter of Press Pack IGBTs (PP IGBTs) as it not only affects the electrical, thermal, and mechanical characteristic, but also the long lifetime reliability.
Erping Deng   +5 more
doaj   +1 more source

Research on transient stability control method for LCC‐HVDC receiving‐end system based on the gradient of dynamic energy

open access: yesIET Generation, Transmission & Distribution, 2022
A new transient stability control strategy for the Line‐Commutated‐Converter based High‐Voltage‐Direct‐Current (LCC‐HVDC) receiving‐end system based on the gradient of dynamic energy is proposed to deal with this problem.
Jing Ma   +4 more
doaj   +1 more source

Polymer Substrates for Flexible Sensors: Advances and Contributions to Smart Agriculture

open access: yesAdvanced Functional Materials, EarlyView.
This review comprehensively summarizes recent advances in polymer‐based flexible sensors for smart agriculture, focusing on polymer substrate design, interface engineering, and applications in soil, plant, animal, aquaculture, and post‐harvest monitoring.
Yihui Li   +12 more
wiley   +1 more source

Functionalizing Micro‐to‐Mesoscopic Electrode Architectures for Regulating Electron Transfer Behaviors in Electrocatalysis

open access: yesAdvanced Functional Materials, EarlyView.
A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao   +6 more
wiley   +1 more source

Mechanisms of Degradation in Li‐Ion Batteries Under Low Temperature Exposures

open access: yesAdvanced Functional Materials, EarlyView.
Low‐temperature exposures, or freeze‐thaw cycles, are observed to significantly accelerate the degradation of Li‐ion batteries. A combination of electrolyte phase separation and mechanochemical stress leads to reversible and irreversible performance losses.
Mihir Ojha   +12 more
wiley   +1 more source

A BPSO-Based Method for Optimal Voltage Sag Monitor Placement Considering Uncertainties of Transition Resistance

open access: yesIEEE Access, 2020
This study presents a new approach to the optimal placement of voltage sag monitors considering the uncertainties associated with transition resistance. The influence of transition resistance on the magnitude of voltage sags triggered by symmetrical and ...
Haiwei Jiang   +4 more
doaj   +1 more source

Microfluidic Nano‐Assembly of Red‐Blood‐Cell (RBC) Lipids and Components for Engineering Extracellular Vesicles

open access: yesAdvanced Healthcare Materials, EarlyView.
Engineered red blood cell‐derived extracellular vesicles (eRBCEVs) are synthesized via controlled microfluidic assembly from native RBC lipids, enabling tunable encapsulation of proteins, nucleic acids, nanoparticles, and viral vectors. The platform demonstrates reproducible nanoscale architecture, preserved membrane composition, and functional cargo ...
Chiranth K. Nagaraj   +23 more
wiley   +1 more source

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