Results 71 to 80 of about 67,524 (288)

A Mechanistic Blueprint for Fast, High‐Yield Green Scintillators Using Conjugated Polymer–Nanocrystal Composites

open access: yesAdvanced Functional Materials, EarlyView.
Conjugated polymer–nanocrystal composites are investigated to develop fast, high‐yield green scintillators. The polymer F8BT enables efficient, ultrafast emission, while blends with non‐emitting HfO2 nanocrystals and luminescent CdZnS/ZnS quantum dots reveal distinct sensitization mechanisms.
Chenger Wang   +13 more
wiley   +1 more source

3D‐Printed Hygroscopic Polymer Networks for High‐Humidity Triboelectric Nanogenerators to Wirelessly Power Implantable Electronic Devices‐ A Conceptual Pathway

open access: yesAdvanced Functional Materials, EarlyView.
This work develops 3D‐printable tribopolymer networks that can enhance triboelectric performance under high humidity environments. Polar hydrophilic functional groups and incorporation of zwitterionic monomers promote bound‐water–dominated interfacial polarization thereby increasing electrical outputs.
Linguangze Zhuo   +8 more
wiley   +1 more source

Control Strategy for Vehicle Inductive Wireless Charging Based on Load Adaptive and Frequency Adjustment

open access: yesEnergies, 2018
Wireless charging system for electric vehicles is a hot research issue in the world today. Since the existing research on wireless charging is mostly forward-looking aimed at low-power appliances like household appliances, while electric vehicles need a ...
Shichun Yang   +5 more
doaj   +1 more source

Design of a Feedback-Controlled Wireless Converter for Electric Vehicle Wireless Charging Applications [PDF]

open access: yes, 2019
Electric vehicles (EVs) have played an important role in the modern transporta-tion system in recent years. However, current generations of EVs face unsolved drawbacks such as short driving range, long charging time, and high cost due to expensive ...
Badawy, Mohamed O.
core   +1 more source

Design Strategies and Emerging Applications of High‐Performance Flexible Piezoresistive Pressure Sensors

open access: yesAdvanced Functional Materials, EarlyView.
Flexible piezoresistive pressure sensors underpin wearable and soft electronics. This review links sensing physics, including contact resistance modulation, quantum tunneling and percolation, to unified materials/structure design. We highlight composite and graded architectures, interfacial/porous engineering, and microstructured 3D conductive networks
Feng Luo   +2 more
wiley   +1 more source

Analysis of Influencing Factors of Wireless Charging Safety in Underground Coal Mine and Countermeasures

open access: yesMeikuang Anquan, 2020
In view of the lack of relevant safety technical requirements and detection methods for wireless charging in underground coal mines, this paper proposes that electromagnetic induction wireless charging should be preferred to inductance coupling ...
MENG Jijian, CHEN Yongran
doaj   +1 more source

Titanium Suboxides Responsible for Electronic Anomaly Near Room Temperature in the Ti3C2Tx MXene

open access: yesAdvanced Functional Materials, EarlyView.
Our multi‐technique study reveals that the near‐room‐temperature anomaly in Ti3C2Tx MXene is linked to titanium suboxide nanodomains, including Ti3O5, embedded within the MXene host. Their temperature‐driven transformation provides an alternative explanation to solvent‐ and swelling‐based models and offers new insight into the thermally activated ...
Bence G. Márkus   +8 more
wiley   +1 more source

Enabling flexible, wearable, and implantable electronics with radio frequency‐based wireless charging: Fundamentals, challenges, and emerging applications

open access: yesFlexMat
Wireless charging delivers power wirelessly across an air gap to recharge electronic devices without requiring direct physical connections. The rapid advancements in wireless charging technologies and the emergence of commercial products have introduced ...
Qu Luo   +6 more
doaj   +1 more source

Underground wireless charging device deployment algorithm based on grid divisio

open access: yesGong-kuang zidonghua, 2018
Aiming at scenario of using wireless charging device to carry out energy transmission for underground wireless rechargeable sensor networks, deployment of charging device was transformed into charging coverage problem, and the optimal charging coverage ...
GUO Yu   +4 more
doaj   +1 more source

Optoelectrical Devices for Neural Interfacing: Engineering Integration, Stability, and Multimodal Sensing

open access: yesAdvanced Healthcare Materials, EarlyView.
Implantable optoelectrical devices are an effective resource for the modulation and monitoring of neural activity with high spatiotemporal resolution. This review discusses current challenges faced by these devices and outlines future perspectives for the development of next‐generation neural interfaces targeting chronic, multisite, and multimodal ...
Stella Aslanoglou   +4 more
wiley   +1 more source

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