Results 71 to 80 of about 39,512 (304)
Wireless Power TransferTo address the issue of coil misalignment in magnetically coupled wireless power transfer (WPT) systems, which causes fluctuations in mutual inductance, a reduction in the magnetic coupling coefficient, and a decline in transmission efficiency, this ...
Xiaobo Wan, Junwu Jiang, Baoquan Liu
doaj +1 more source
Advanced Materials, EarlyView.A wearable electrochemical microneedle patch integrates Prussian Blue redox transduction with molecularly imprinted polymer recognition for reagent‐free sampling and detection of thrombo‐inflammatory biomarkers in dermal interstitial fluid. The platform tracks thrombin and inflammatory cytokines with sensitive in vitro, ex vivo, and in vivo performance,
Mahmoud Ayman Saleh +11 more
wiley +1 more source
Feasibility study of a wireless power transfer system applied to a left ventricular assist device
, 2019 This study deals with the design of a wireless powering system for a left ventricular assist device (LVAD). The proposed system uses the wireless power transfer (WPT) technology based on the magnetic resonant coupling.
Orlando F. +9 more
core +1 more source
Wireless power supply system for left ventricular assist device and implanted cardiac defibrillator
, 2021 This study focuses on the development of a new power supply architecture for an implanted cardiac defibrillator (ICD) and a left ventricular assist device (LVAD). In the proposed solution a transcutaneous wireless power transfer technology (WPT) based on
Campi T. +3 more
core +1 more source
Construction and analysis of precise circuit model for SWPT considering parasitic capacitance
Wireless Power TransferDue to seawater's high conductivity and dielectric constant, the traditional pure inductance model used in air cannot accurately describe the coil model in seawater wireless power transfer (SWPT).
Shike Yu +4 more
doaj +1 more source
n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz
Advanced 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
Wireless Power Transfer: From Directional Power to Omni-directional Power
, 2015 In traditional wireless power transfer applications, wireless power is usually directed to the targeted loads placed in well-defined locations or regions.
Hui, Ron
core
Enhanced wireless power transfer procedure via real-time beaming
, 2016 The paper describes an intentional wireless power transfer procedure based on an augmented reconfigurability of time-modulated arrays. The standard switch control sequences choice is enriched by the presence of a reconfigurable feeding network: in this ...
Diego Masotti +3 more
core +1 more source
Wireless Power TransferExisting wireless power transfer (WPT) systems often fail to simultaneously achieve constant-voltage (CV) and constant-current (CC) outputs when charging multiple devices. To address this limitation, this paper proposes a dual-load WPT system with CV and
Haibing Wang +6 more
doaj +1 more source
Resonant Domain Wall Dynamics in a Three‐Dimensional Magnetic Nano Double Helix
Advanced Materials, EarlyView.3D magnetic nanostructures promise exciting possibilities for magnetization dynamics. However, experimental realizations remain scarce. In nanoprinted cobalt double helices, time‐resolved X‐ray microscopy reveals harmonic domain wall dynamics. Simulations identify the mode and additional higher‐frequency resonances, revealing a rich dynamic landscape ...
Pamela Morales‐Fernández +15 more
wiley +1 more source