Results 111 to 120 of about 241,456 (282)

Hybrid wireless power transfer: a review

Wireless Power Transfer
Inductive power transfer (IPT) and capacitive power transfer (CPT) have been extensively studied and applied in wireless power transfer (WPT). In the process of system design and analysis, only the characteristics of magnetic or electric fields are ...
Zhongyu Dai, Miao Sun, Hongyuan Chen, Xiaoming Ding, Huihui Wang, Yanhu Zhai, Jie Song, Shuo Ye, Mengxiao Zhang, Xian Zhang   +9 more
doaj   +1 more source

Light‐Induced Entropy for Secure Vision

Advanced Materials, EarlyView.
This work realized a ternary true random number generator by exploiting stochastic traps emerging within multiple junction interfaces, and quantitatively validated the generation of high‐quality random numbers. Furthermore, it successfully demonstrated diverse applications, including AI‐resilient image security, thereby providing a valuable guide for ...
Juhyung Seo, Seungme Kang, Chaehyun Kim, Taehyun Park, Youngwoo Yoo, Yeong Kwon Kim, Wonjun Shin, Byung Chul Jang, Young‐Joon Kim, Hocheon Yoo   +9 more
wiley   +1 more source

Efficiency enhancement of multi-relay wireless power transfer system using switched compensation capacitors

Wireless Power Transfer
Multi-relay wireless power transfer (WPT) systems are increasingly used in power supply applications for high-voltage transmission line monitoring due to their extended transmission range.
Xinyu Hou, Meiqi Yang, Yong Shi, Zhongming Yu, Zixuan Zhao   +4 more
doaj   +1 more source

Soft Ionic and Electronic Triboelectric Nanogenerators: Toward Attachable and Implantable Biomedical Applications

Advanced Materials, EarlyView.
This review provides an overview of triboelectric nanogenerator (TENG)–based biomedical applications by classifying studies into electronic and ionic systems across attachable and implantable platforms. It summarizes key material choices, device structures, and working mechanisms that characterize current TENG‐based research, and outlines six future ...
Kyongtae Choi, Jimin Park, Won Jun Song, Soohwan An, Seonggyu Choe, Byeong‐Rak Keum, Min Young Kim, Dae Hee Hwang, Young‐Geun Park, Sung‐Won Kim, Sangyul Baik, Gwang‐Bum Im, Younghoon Lee   +12 more
wiley   +1 more source

Optimal frequency estimation for wireless power transfer systems with an active rectifier

Wireless Power Transfer
Wireless power transfer (WPT) technology, renowned for its reliability and flexibility, is utilized in numerous fields. This article addresses the synchronization of the active rectifier in WPT systems.
Zhigang Zhang, Xiaodong Qing, Yanbao Liu, Tingfa Yang, Danli Chen, Fengwei Chen, Zhao Chen   +6 more
doaj   +1 more source

Topology and Material Optimization in Ultra‐Soft Magneto‐Active Structures: Making Advantage of Residual Anisotropies

Advanced Materials, EarlyView.
Residual magnetization induces pronounced mechanical anisotropy in ultra‐soft magnetorheological elastomers, shaping deformation and actuation even without external magnetic fields. This study introduces a computational‐experimental framework integrating magneto‐mechanical coupling into topology optimization for designing soft magnetic actuators with ...
Carlos Perez‐Garcia, Rogelio Ortigosa, Jesús Martínez‐Frutos, Daniel Garcia‐Gonzalez   +3 more
wiley   +1 more source

A reconfigurable wireless charging optimization scheme for UAVs with horizontal misalignment tolerance

Wireless Power Transfer
Unmanned aerial vehicles (UAVs) are widely used by civilians, the military, and other fields. To ensure the autonomous working ability, high levels of charging convenience are required.
Wei Wang, Kairui Li, Mingrong Duan, Chenjin Xu, Siyuan Sheng, Zheng Lu   +5 more
doaj   +1 more source

Localized Temperature Monitoring in Mouse Brain during Light Delivery via a Non‐Planar Tapered Fiber‐Integrated µRTD Sensor

Advanced Materials, EarlyView.
We report a multifunctional tapered optical fiber integrating a conformal micro‐resistance temperature detector (µRTD) for local, real‐time thermometry during optical stimulation. The platform combines light‐delivery and temperature sensing within a minimally invasive footprint, enabling detection of sub‐degree cortical heating under representative ...
Antonio Balena, Marco Bianco, Barbara Spagnolo, Muhammad Fayyaz Kashif, Alberto Bramati, Massimo De Vittorio, Ferruccio Pisanello   +6 more
wiley   +1 more source

A synchronous rectification method with a high-speed comparator for a megahertz frequency BWPT system to enhance efficiency

Wireless Power Transfer
In bidirectional wireless power transfer (BWPT) systems, the phase synchronization accuracy of the secondary synchronous rectification (SR), or active rectification signal directly determines energy transfer efficiency and overall system stability.
Siqi Li, Yang Yang, Enguo Rong, Tong Li, Zhuang Sun, Xingyu Zou, Sizhao Lu, Zeeshan Shafiq, Zhe Liu   +8 more
doaj   +1 more source

Beyond Earth: Resilience of Quasi‐2D Perovskite Solar Cells in Space

Advanced Materials, EarlyView.
In the article (DOI: 10.1002/adma.202520433), Christoph Putz and co‐workers demonstrate rigid quasi‐2D perovskite solar cells operating in low Earth orbit, delivering stable power for more than 100 days under real‐space conditions. In‐orbit performance is correlated with extensive ground‐based thermal and proton‐irradiation studies on rigid and ...
Christoph Putz, Lukas E. Lehner, Stepan Demchyshyn, Bekele Hailegnaw, Phillip Jahelka, Magdalena Breitwieser, Sercan Özen, Andrea Denker, Jürgen Bundesmann, Alina Hanna Dittwald, Dilara Karabulut, Philipp Tockhorn, Steve Albrecht, Felix Lang, Markus C. Scharber, Michael D. Kelzenberg, Harry A. Atwater, Martin Kaltenbrunner   +17 more
wiley   +1 more source