Results 121 to 130 of about 871,220 (308)

Architected Bio‐Based Iontronic Skin With Dual‐Mode Pressure and Strain Sensing

open access: yesAdvanced Functional Materials, EarlyView.
Bio‐based acrylates in combination with an ionic liquid create 3D‐printed ionogels with compositionally tuneable mechanics and ionic conductivity. Gyroid architectures amplify low‐pressure sensitivity while preserving robust strain sensing, enabling dual‐mode detection of pressure and deformation.
Maksims Jurinovs   +8 more
wiley   +1 more source

Biodegradable Conductors for Implantable and Wearable Transient Bioelectronics

open access: yesAdvanced Functional Materials, EarlyView.
Biodegradable conductors are essential building blocks for transient bioelectronics, enabling temporary sensing, stimulation, and energy transfer while eliminating the need for device retrieval. This review summarizes biodegradable metals, conducting polymers, ionic conductors, and conductive composites, highlighting degradation mechanisms, material ...
Yicheng Zhu, Yijun Liu, Naoji Matsuhisa
wiley   +1 more source

An Overlooked Transport Mechanism in Organic Mixed Conductors

open access: yesAdvanced Functional Materials, EarlyView.
Electrical transport in organic mixed ionic‐electronic conductors is commonly described by ionic and electronic conduction. Here, eumelanin reveals that polarization‐assisted displacement currents constitute an additional transport component that coexists with conductive transport.
Natan L. Nozella   +5 more
wiley   +1 more source

Experimental Study of Shoot-Through Control Methods for qZSI-Based DC/DC Converters

open access: yes
This paper proposes a novel step-up DC/DC converter with galvanic isolation – the quasi-Z-source inverter (qZSI) based DC/DC converter and discusses three different shootthrough PWM control methods suitable for this topology.
Zaķis, Jānis   +4 more
core  

Energetic Offset in Organic Solar Cells‐ Importance, Confusion and Outlook

open access: yesAdvanced Materials, EarlyView.
Energetic offsets in organic solar cells (OSCs) remain a subject of debate due to measurement‐ and lab‐dependent discrepancies. This Perspective clarifies the physical origins of these variations and identifies temperature‐dependent electro‐optical methods as a reliable approach to obtain consistent offset values.
Nakul Jain   +5 more
wiley   +1 more source

800 V DC-DC power supply for gate driver of a common two transistor leg of VSI

open access: yes
This paper presents use of a classical flyback DC DC converter topology for supplying power IGBT gate drive circuit and communication lines from high voltage DC link in modular common tow transistor leg of voltage source inverter – VSI laboratory ...
Galkins, Iļja, Sokolovs, Alvis
core  

A New Dual- Input Hybrid Buck DC-DC Converter

open access: yes, 2011
The proposed dual input hybrid buck C/hybrid buck L (HBCL) DC-DC converter, is suitable for power conversion in renewable energy, automotive and telecom power systems. It extends the use of the hybrid DC-DC converters in a dual-input structure, with high
Muntean, N., Gavris, M., Cornea, O.
core  

Power electronics for green hydrogen generation with focus on methods, topologies, and comparative analysis

open access: yesScientific Reports
This research article meticulously examines advanced power electronic converters crucial for optimizing electrolyzer perfor- mance in hydrogen production systems. It conducts a thorough review of mature electrolyzer types, detailing their specifications,
AlAmir Hassan   +3 more
doaj   +1 more source

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

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

open access: yesAdvanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis   +19 more
wiley   +1 more source

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