Results 121 to 130 of about 241,456 (282)

Review of electric-field power transfer technology based on earth coupling

open access: yesWireless Power Transfer
Recent studies, inspired by Tesla's idea of using earth coupling and space electromagnetic fields to achieve global wireless power transfer (WPT), have focused on two main research directions: single-capacitive coupled wireless power transfer (SCC-WPT ...
Zhe Liu   +7 more
doaj   +1 more source

Large‐Area 2D Metasurface‐Based Triboelectric E‐Skin Arrays: Contact & Proximity Tactile Mapping with Broadband Acoustic Readouts

open access: yesAdvanced Materials, EarlyView.
Metasurface‐engineered NC‐TENG arrays integrate tactile pressure mapping, non‐contact gesture sensing, and acoustic signal readouts in one ultrathin module, and outperforms pristine PDMS in terms of electrical output and real‐time spatial mapping for next‐gen wearables.
Injamamul Arief   +12 more
wiley   +1 more source

Deployment optimization of laser chargers in self-organizing power transfer internet of things

open access: yesWireless Power Transfer
Recently, the Internet of Things (IoT) has played an important role in many fields. Nevertheless, the fast and uneven energy consumption of IoT Devices (IoTDs) significantly limits the lifetime of IoT networks. One of the effective solutions is to deploy
Junzhe Hu   +5 more
doaj   +1 more source

Wireless Power Transfer [PDF]

open access: yes2021 IEEE 19th International Power Electronics and Motion Control Conference (PEMC), 2021
openaire   +1 more source

Multifunctional Bio‐Based Packaging for Perishable Foods: Structural Design, Scalable Fabrication, and Versatile Applications

open access: yesAdvanced Materials, EarlyView.
An overview of design principles and scalable fabrication strategies for multifunctional bio‐based packaging. Radiative cooling films, modified‐atmosphere films/membranes, active antimicrobial/antioxidant platforms, intelligent optical/electrochemical labels, and superhydrophobic surfaces are co‐engineered from material chemistry to mesoscale structure
Lei Zhang   +6 more
wiley   +1 more source

Optimized configuration and characterization of LCC-S based wireless power transmission system

open access: yesWireless Power Transfer
A mathematical model has been established for the LCC-S magnetic field-coupled wireless power transfer (WPT) system, and its impact on transmission performance has been analyzed from two aspects: working frequency (f); and the ratio of primary-side ...
Zhen Guo   +8 more
doaj   +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

Parameter identification method for a wireless power transfer system based on the Improved Northern Goshawk Optimization Algorithm

open access: yesWireless Power Transfer
This paper proposes a mutual inductance and load parameter identification method using an Improved Northern Goshawk Optimization (INGO) Algorithm after pulse frequency modulation (PFM), and validates the effectiveness of the proposed parameter ...
Zhen Guo   +8 more
doaj   +1 more source

Recent Advances in Electrospun Nanofibers for Triboelectric Nanogenerators: Performance Enhancement Strategies and Emerging Applications

open access: yesAdvanced Materials, EarlyView.
This review highlights recent advances in electrospun nanofiber‐based triboelectric nanogenerators, emphasizing how material design, fiber architecture, and interface engineering collectively enhance output performance and mechanical durability. Key developments in porous, aligned, core‐shell, and hierarchical nanofibers are discussed alongside ...
MD Fajla Rabbi   +3 more
wiley   +1 more source

A novel transmitter of high distance-to-radius ratio wireless power transfer for miniature devices

open access: yesWireless Power Transfer
Achieving long-distance wireless power transfer for miniature devices is challenging because the transmission distance is limited by the size of the receiving coil, which must be enlarged to improve range.
Yang Li   +5 more
doaj   +1 more source

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