Results 71 to 80 of about 127,143 (294)

Modeling and Characterization of Scaling Factor of Flexible Spiral Coils for Wirelessly Powered Wearable Sensors

Sensors, 2020
Wearable sensors are a topic of interest in medical healthcare monitoring due to their compact size and portability. However, providing power to the wearable sensors for continuous health monitoring applications is a great challenge. As the batteries are
Dipon K. Biswas, Melissa Sinclair, Tien Le, Salvatore Andrea Pullano, Antonino S. Fiorillo, Ifana Mahbub   +5 more
doaj   +1 more source

High‐Index, Low‐Loss Optical Material Platforms for Ultra‐Broadband Ultraviolet‐to‐Visible Achromatic Metalenses

Advanced Functional Materials, EarlyView.
An integrated material platform combining engineered SiNx thin films and printable ZrO2 nanoparticle‐embedded resin enables broadband achromatic metalenses from the ultraviolet to visible range. The demonstrated meta‐optics achieve near‐diffraction‐limited focusing with minimal chromatic aberration.
Hyunjung Kang, Dongmin Jeon, Eunji Lee, Junsuk Rho   +3 more
wiley   +1 more source

A comprehensive design method of an active electronic current transformer for stable energy harvesting from power lines

IET Power Electronics, 2023
The real‐time monitoring technology of power line is an important guarantee for the digitization and intelligence of the modern power system. Traditional current transformers cannot provide continuous and stable energy when the power line current ...
Yifan Wang, Chunguang Ren, Jiansheng Kong, Baifu Zhang, Lei Wang, Xiaoqing Han, Yu Yang   +6 more
doaj   +1 more source

Dual‐Salt Carbothermal Shock Strategy Enabling Ultrafast and Sustainable Regeneration of Spent LiFePO4 Cathode Materials

Advanced Functional Materials, EarlyView.
Lithium iron phosphate (LFP) accounts for over 50% of the global cathode market, underscoring the need for efficient recycling and regeneration. We propose a dual‐salt carbothermal shock (CTS) strategy using LiI and NaI to in situ repair Li vacancies.
Yanjuan Li, Zhongou Yang, Junhui Cai, Yiran Li, Zhenzhen Wu, Zhouyang Long, Xiao Yan, Shanqing Zhang   +7 more
wiley   +1 more source

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

Advanced 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, Barbara Spagnolo, Antonio Balena, Massimo De Vittorio, Ferruccio Pisanello   +4 more
wiley   +1 more source

Linear Approximations to AC Power Flow in Rectangular Coordinates

, 2015
This paper explores solutions to linearized powerflow equations with bus-voltage phasors represented in rectangular coordinates. The key idea is to solve for complex-valued perturbations around a nominal voltage profile from a set of linear equations ...
Chen, Yu Christine, Dhople, Sairaj V., Guggilam, Swaroop S.   +2 more
core   +1 more source

Recapitulating Endochondral Ossification for Bone Repair: From Development to Engineering Strategy

Advanced Healthcare Materials, EarlyView.
This review summarizes the developmental basis of endochondral ossification (ECO) and its applications in bone tissue engineering (BTE). It first outlines the key biological processes and signaling pathways underlying ECO, then discusses biomaterial‐based engineering strategies derived from these principles, and finally highlights future directions for
Yiqi Su, Zihao He, Qianqian Chen, Long Chen, Caiyi Wei, Zijin Zhou, Jianhao Lin, Hui Li, Dan Xing   +8 more
wiley   +1 more source

A Novel Hybrid Wireless Power Transfer Coupler for Unmanned Aerial Vehicle Application

IEEE Open Journal of Power Electronics
The special structure of unmanned aerial vehicles (UAVs) poses challenges to the integrated design method and power transmission capability of the couplers used for their wireless charging.
Pan Sun, Yaodong Xiang, Guoli Feng, Enguo Rong, Yilin Liu, Xiaochen Zhang   +5 more
doaj   +1 more source

Mixed‐Metal Promotion in a Manganese‐Molybdenum Oxynitride as Catalyst to Integrate C─C and C─N Coupling Reactions for the Direct Synthesis of Acetonitrile from Syngas and Ammonia

Advanced Materials, EarlyView.
Transition metal oxy/carbo‐nitrides show great promise as catalysts for sustainable processes. A Mn‐Mo mixed‐metal oxynitride attains remarkable performance for the direct synthesis of acetonitrile, an important commodity chemical, via sequential C─N and C─C coupling from syngas (C1) and ammonia (N1) feedstocks.
M. Elena Martínez‐Monje, Wilson Henao, Tania Rodenas, Patricia Concepción, Virginia Pérez Dieste, Alexander Missyul, Giovanni Agostini, Gonzalo Prieto   +7 more
wiley   +1 more source

Study of asymmetrical magnetic coupled resonant wireless power transmission system

Gong-kuang zidonghua, 2016
According to equivalent model of asymmetrical magnetic coupled resonant wireless power transmission system, a view was pointed out that magnetic coupled resonant wireless power transmission which could maintain long distance transmission at resonance ...
FAN Yingjie, ZHANG Kairu, ZHANG Linlin, WANG Yi, DI Dongzhao   +4 more
doaj   +1 more source