Results 51 to 60 of about 260,818 (322)
Advanced Functional Materials, EarlyView.A Si anode comprising entangled networks of cellulose and SWCNT (C‐CNT) nanocomposites as an anode electrode for a high‐performance LIB is realized by fully utilizing the generated microstructure of a novel conductive 3D scaffold via a low‐temperature and eco‐friendly process. Additionally, localized heating via photo‐thermal conversion can be utilized
Boeun Ryu +5 more
wiley +1 more source
Energies, 2017 The capacitive coupled wireless power transfer (CCWPT) operating at megahertz (MHz) frequency is broadly considered as the promising solution for low power biomedical implants.
Narayanamoorthi R. +4 more
doaj +1 more source
Generalized Parity-Time Symmetry Condition for Enhanced Sensor Telemetry
, 2018 Wireless sensors based on micro-machined tunable resonators are important in a variety of applications, ranging from medical diagnosis to industrial and environmental monitoring.The sensitivity of these devices is, however, often limited by their low ...
Alù, Andrea +6 more
core +1 more source
Antenna Design for Semi-Passive UHF RFID Transponder with Energy Harvester [PDF]
, 2015 A novel microstrip antenna which is dedicated to UHF semi-passive RFID transponders with an energy harvester is presented in this paper. The antenna structure designed and simulated by using Mentor Graphics HyperLynx 3D EM software is described in ...
Jankowski-Mihulowicz, P. +2 more
core +2 more sources
Gourd‐Inspired Design of Unit Cell with Multiple Gradients for Physiological‐Range Pressure Sensing
Advanced Functional Materials, EarlyView.Gourd‐shaped micro‐dome arrays with coordinated modulus, conductivity, and geometric gradients co‐optimize sensitivity and linearity in piezoresistive tactile sensors. Under pressure, a solid upper dome embeds into a porous lower dome, triggering rapid contact‐area growth and series‐to‐parallel conduction, enabling unsaturated, intensity‐resolved ...
Jiayi Xu +6 more
wiley +1 more source
Wearable Capacitive-based Wrist-worn Gesture Sensing System [PDF]
, 2017 Gesture control plays an increasingly significant role in modern human-machine interactions. This paper presents an innovative method of gesture recognition using flexible capacitive pressure sensor attached on user’s wrist towards computer vision and ...
Dahiya, Ravinder +2 more
core +1 more source
Progress In Electromagnetics Research Letters, 2022 We present a capacitive wireless power transfer (C-WPT) system using rotating capacitors for wireless sensor system (WSS) on propulsion shaft. In order to supply stable power to the WSS consisting of four sensors, a controller, and a radio module, we ...
Van Ai Hoang, Young Chul Lee
semanticscholar +1 more source
Advanced Functional Materials, EarlyView.Polymorph engineering in ErMnO3 enables low‐voltage, forming‐free threshold switching with tunable negative differential resistance. Conducting orthorhombic regions embedded in an insulating hexagonal matrix provide controlled Joule‐heating‐enhanced Poole–Frenkel transport. The hexagonal phase prevents excessive heating and breakdown.
Rong Wu +8 more
wiley +1 more source
A Three-Port Zero-Power RFID Sensor Architecture for IoT Applications
IEEE Access, 2020 A novel zero-power wireless sensor architecture is proposed and demonstrated in this paper. The proposed wireless sensor, which is a passive sensor, combines UHF RFID and a capacitive sensor to enable reading of physical and chemical parameters ...
Nabil Khalid +4 more
doaj +1 more source
, 2018 Software defined radios (SDR) in the microwave X and K bands offer the promise of low cost, programmable operation with real-time frequency agility. However, the real world in which such radios operate requires them to be able to detect nanowatt signals ...
Beacken, Marc +5 more
core +1 more source