Results 71 to 80 of about 4,140,882 (287)

AC Fault Mechanism and Impact Analysis of Offshore Wind Power Connected to Flexible and Direct Systems

open access: yes南方能源建设
[Objective] In order to better understand the fault characteristics of offshore wind power access system, the impact analysis of AC fault characteristics of offshore wind power access system is carried out.
Wanli JIANG   +3 more
doaj   +1 more source

Controllable Carbon Shell Encapsulation via Rapid Joule Heating Calcination for High-Performance Asymmetric Supercapacitor With Suppressed Self-Discharge and Robust Cycling Stability. [PDF]

open access: yesAdv Sci (Weinh)
The H‐Fe3O4@C negative electrode and H‐NiCo2S4@C positive electrode are designed through a controllable carbon shell encapsulation strategy. The as‐constructed asymmetric supercapacitor presents robust cycling stability with 93.7% capacity retention after 25 000 cycles.
Zhou Q   +8 more
europepmc   +2 more sources

Spiro‐Phenothiazine Hole‐Transporting Materials: Unlocking Stability and Scalability in Perovskite Solar Cells

open access: yesAdvanced Materials, EarlyView.
Fluorene‐functionalized spiro‐phenothiazine (PTZ‐Fl) exhibits strong Li+ affinity and thermal stability, enabling a PCE of 25.75% in small‐area cells and 22.07% in 25 cm2 modules. Under ISOS‐L3 conditions, PTZ‐Flbased devices retain over 80% efficiency after 1000 hours, demonstrating superior stability and scalability compared to spiro‐OMeTAD for next ...
Javier Urieta‐Mora   +17 more
wiley   +1 more source

Self‐Cooling Molecular Spin Qudits

open access: yesAdvanced Materials, EarlyView.
A material made of [GdEr] molecular dimers can encode a qudit and perform as a magnetic refrigerant. Microwave resonant pulses coherently manipulate its 16 spin states, while direct demagnetization measurements cool the material and a device down to temperatures below 1 K.
Elías Palacios   +12 more
wiley   +1 more source

A Load Model to Reduce Computational Effort in Real-Time Simulation of Asymmetrical Short Circuits

open access: yes2025 IEEE Kiel PowerTech
Transient analyses of electrical networks demand highly accurate models to represent component behavior precisely, thereby increasing the computational burden of simulations. This aspect becomes critical when conducting real-time simulations, such as Hardware-in-the-Loop, as the computational weight of the models can make some case studies unfeasible ...
Iurlaro C.   +3 more
openaire   +3 more sources

POM‐Based Water Splitting Catalyst Under Acid Conditions Driven by Its Assembly on Carbon Nanotubes

open access: yesAdvanced Materials, EarlyView.
A newly‐engineered POM‐based electrocatalyst incorporating non‐innocent counter cations exhibits fast kinetics for either the OER or HER under strongly acidic conditions (1 m H2SO4), depending on whether it is assembled on carbon nanotubes (1@CNT) or physically mixed with them (1/CNT). In water‐splitting tests using a two‐electrode setup, these systems
Eugenia P. Quirós‐Díez   +8 more
wiley   +1 more source

Study on Anti-surge Capacity of Body Diode of 1 200 V SiC MOSFET

open access: yes机车电传动, 2021
The anti-surge capability of the body diode of 1 200 V planar, double trench and asymmetric trench SiC MOSFETs was compared and analyzed by experiment.
Chao CHEN   +3 more
doaj  

Role of the Recombination Zone in Organic Light‐Emitting Devices

open access: yesAdvanced Materials, EarlyView.
This review summarizes the critical role of the recombination zone in organic light‐emitting diodes (OLEDs). We highlight that broadening the recombination zone in OLEDs based on emissive layers with balanced charge transport and high photoluminescence quantum yields provides a promising route toward achieving both long operational lifetime and high ...
Yungui Li, Karl Leo
wiley   +1 more source

Triband Compact Printed Antenna for 2.4/3.5/5 GHz WLAN/WiMAX Applications

open access: yesInternational Journal of Antennas and Propagation, 2019
This research presents a triband compact printed antenna for WLAN and WiMAX applications. The antenna structure consists of a folded open stub, long and short L-shaped strips, and asymmetric trapezoid ground plane.
Pracha Osklang   +2 more
doaj   +1 more source

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

open access: yesAdvanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

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