Results 61 to 70 of about 66,996 (292)
Sensors, 2021 Wireless charging provides continuous energy for wireless sensor networks. However, it is difficult to replenish enough energy for all sensor nodes with fixed charging alone, and even more unrealistic to charge a large number of nodes within a short time
Huaiyu Qin +3 more
doaj +1 more source
ADVANCED WIRELESS CHARGING SYSTEM FOR PORTABLE ELECTRIC DEVICES [PDF]
, 2013 This paper presents a wireless charging system for portable electric devices. The important impacts of wireless charging systems on the global environment are first examined, and the two basic methods for wireless charging are then explained.
Liu, Jianyang
core +1 more source
Energy-Throughput Tradeoff in Sustainable Cloud-RAN with Energy Harvesting
, 2017 In this paper, we investigate joint beamforming for energy-throughput tradeoff in a sustainable cloud radio access network system, where multiple base stations (BSs) powered by independent renewable energy sources will collaboratively transmit wireless ...
Cai, Lin X. +3 more
core +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
Research on Wireless Charging Device EMC Testing
Dianxin kexue, 2014 The current technical approaches of wireless charging devices and international existing wireless charging standard were analyzed. Then, the electromagnetic compatibility for wireless charging case management in Europe, America, Korea and Japan was ...
Ruichen Xu +5 more
doaj +2 more sources
Advanced Functional Materials, EarlyView.MagPiezo enables wireless activation of endogenous Piezo1 channels without genetic modification using 19 nm magnetic nanoparticles and low‐intensity magnetic fields. It generates torque forces at the piconewton scale to trigger mechanotransduction in endothelial cells, standing as a novel platform to interrogate and manipulate Piezo1 activity in vitro.
Susel Del Sol‐Fernández +7 more
wiley +1 more source
A data collection method based on extended wireless charging Qi standard
Dianzi Jishu Yingyong, 2018 Wireless charging has the advantages of safe charging and high efficiency. It has been applied to wireless data acquisition systems to solve the problem of power energy life and prolong the working life of the system.
Bai Guanglei +4 more
doaj +1 more source
Wireless Inductive Charging for Low Power Devices [PDF]
, 2017 Currently wireless charging for most consumer electronics is still evolving in the mainstream market. This technology has taken a slow adoption. I n a world faced with variety of handheld devices demand for a shorter charging time is constantly being ...
Macharia, John
core
Advanced Functional Materials, EarlyView.Atomically engineered layered 2D Ti3CNTz carbonitride MXene exhibits ultrahigh heat and pressure sensitivity, enabling dual‐mode sensors with 300%–400% performance enhancement and durability for real‐time health‐monitoring interface devices. Precise nitrogen incorporation (e.g., Ti3C1.8N0.2Tz) boosts conductivity, enhancing temperature response, while ...
Debananda Mohapatra +12 more
wiley +1 more source
Advanced Functional Materials, EarlyView.Ferroelectric memcapacitors enable non‐volatile, voltage‐programmable capacitance tuning for adaptive electronics. A TiN/HfZrO/TiN device stack demonstrates more than eight stable capacitance states within a 24 pF memory window in compact 60 ×$\times$ 60 μm2$\umu{\rm m}^{2}$ devices at low operating voltages.
Deepika Yadav +6 more
wiley +1 more source