Results 121 to 130 of about 191,656 (310)
, 2019 A current-fed dual active bridge (CF-DAB) converter has attracted much attention in battery applications and energy storage systems (ESS) because of their zero-voltage-switching (ZVS) capability and high performance due to the high control degree of ...
Sim, Juyoung +3 more
core
High-Efficiency Asymmetric Forward-Flyback Converter for Wide Output Power Range
, 2018 This paper proposes an asymmetric forward-flyback dc-dc converter that has high power-conversion efficiency e over a wide output power range. To solve the problem of ringing in the voltage of the rectifier diodes and the problem of duty loss in the ...
Choe, Hyung-Jin +3 more
core +1 more source
Advanced Engineering Materials, EarlyView.This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera +8 more
wiley +1 more source
Fabrication and performance optimization of SiC-based betavoltaic batteries
He jishuBackgroundBetavoltaic nuclear batteries, leveraging beta-emitting radioisotopes, offer inherent advantages such as long-term reliability, high energy density, compact form factors, and robust resistance to interference, positioning them as promising ...
HE Houjun +5 more
doaj +1 more source
, 2007 A high-power continuous wave (cw) mode-locked Nd:YVO4 solid-state laser was demonstrated by use of a semiconductor absorber mirror (SAM). The maximum average output power was 8.1 W and the optic-to-optic conversion efficiency was about 41 %.
Miao, JG (Miao, Jie-guang) +7 more
core
, 2018 This paper proposes a circuit structure of bidirectional dc-dc converter. This structure uses two switches, two capacitors, a 1: 1 transformer, and a control circuit for pulse-frequency modulation.
Choi, Yoon-Geol +9 more
core +1 more source
Advanced Engineering Materials, EarlyView.This study explores the lightweight potential of laser additive‐manufactured NiTi triply periodic minimal surface sheet lattices. It systematically investigates the effects of relative density and unit cell size on surface quality, deformation recovery, compression behavior, and energy absorption.
Haoming Mo +3 more
wiley +1 more source
A Compact Spin‐Coated Graphene UWB Antenna for Breast Tumor Detection
Advanced Engineering Materials, EarlyView.A compact, spin‐coated graphene ultra‐wideband patch antenna designed for breast tumor detection, capable of distinguishing between malignant and benign tumors. This innovative antenna can serve as an effective initial screening tool, particularly in resource‐limited settings such as rural areas, where access to advanced medical equipment like MRI and ...
Raja Rashidul Hasan +9 more
wiley +1 more source
Dimensional control of low-dimensional perovskite hybrids for photovoltaics
Nature CommunicationsLow-dimensional perovskite engineering offers a promising route to improve both power conversion efficiency and stability in perovskite photovoltaics, yet the mechanistic relationship between organic ligand design and structural control remains elusive ...
Fei Wang +18 more
doaj +1 more source
Development of an Arduino-Powered PWM Inverter for Efficient Power Conversion
This project presents the design and implementation of an inverter controlled by an Arduino microcontroller. The primary objective is to convert direct current (DC) from a battery or other DC source into alternating current (AC) for powering household or industrial devices.
Sujit Goswami +5 more
openaire +2 more sources