Results 11 to 20 of about 1,783,285 (337)

Ubiquitous energy storage [PDF]

, 2005
This paper presents a vision of a future power system with "ubiquitous energy storage", where storage would be utilized at all levels of the electricity system.
Ault, G. W., Currie, R. A. F., Foote, C. E. T., McDonald, J. R., Roscoe, A. J.   +4 more
core   +1 more source

Effects of Charge Transport Materials on Blue Fluorescent Organic Light-Emitting Diodes with a Host-Dopant System

Micromachines, 2019
High efficiency blue fluorescent organic light-emitting diodes (OLEDs), based on 1,3-bis(carbazol-9-yl)benzene (mCP) doped with 4,4’-bis(9-ethyl-3-carbazovinylene)-1,1’-biphenyl (BCzVBi), were fabricated using four different hole transport ...
Neng Liu, Sijiong Mei, Dongwei Sun, Wuxing Shi, Jiahuan Feng, Yuanming Zhou, Fei Mei, Jinxia Xu, Yan Jiang, Xianan Cao   +9 more
doaj   +1 more source

Quantum Random Number Generator for Pulse Laser Phase Fluctuation

Guangtongxin yanjiu, 2022
Aiming at the problem that the current Quantum Random Number Generator (QRNG) cannot simultaneously meet the high-speed and real-time requirements of random number generation in quantum key distribution communication, this paper improves the QRNG scheme ...
Zhen-yang JIN, Xiang-kui WAN, Kai PANG, Meng-han FU, Liu-ping CHEN   +4 more
doaj   +1 more source

Enhanced thermal and mechanical properties by cost-effective carboxylated nanodiamonds in poly (vinyl alcohol)

Nanocomposites, 2018
In this study, the high-energy ball-milled nanodiamonds (MNDs) are carefully treated with low-temperature annealing and mixed acids to obtain carboxylated MNDs (cMNDs). This process not only removes impurities but also grafts oxygen containing functional
Yuansai Zhang, Qingsong Hua, Jian Min Zhang, Yuling Zhao, Hang Yin, Zuoqiang Dai, Lili Zheng, Jie Tang   +7 more
doaj   +1 more source

Improved Efficiency of Perovskite Light-Emitting Diodes Using a Three-Step Spin-Coated CH₃NH₃PbBr₃ Emitter and a PEDOT:PSS/MoO₃-Ammonia Composite Hole Transport Layer

Micromachines, 2019
High efficiency perovskite light-emitting diodes (PeLEDs) using PEDOT:PSS/MoO3-ammonia composite hole transport layers (HTLs) with different MoO3-ammonia ratios were prepared and characterized. For PeLEDs with one-step spin-coated CH3NH3PbBr3 emitter, an
Yuanming Zhou, Sijiong Mei, Dongwei Sun, Neng Liu, Wuxing Shi, Jiahuan Feng, Fei Mei, Jinxia Xu, Yan Jiang, Xianan Cao   +9 more
doaj   +1 more source

Efficiency Analysis of LOHC Based Hydrogen Energy Storage System [PDF]

, 2017
有机液体储氢材料是理想的储氢介质。本文建立了以有机液体储氢材料为基础的氢储能系统的能效分析模型,并以乙基咔唑和二苄基甲苯两种有机液体储氢载体为算例,逐步计算了制氢、储氢和燃料电池等过程的能耗。研究结果表明,乙基咔唑能效优于二苄基甲苯,其储氢效率为84.17%、系统能效为47.58%。本研究所开发的框架可衡量基于有机液体储氢载体的氢储能系统的能效 ...
伊立其, 彭垚, 谭弘毅, 郭常青, 闫常峰   +4 more
core   +1 more source

A SE-DenseNet-LSTM model for locomotion mode recognition in lower limb exoskeleton [PDF]

PeerJ Computer Science
Locomotion mode recognition in humans is fundamental for flexible control in wearable-powered exoskeleton robots. This article proposes a hybrid model that combines a dense convolutional network (DenseNet) and long short-term memory (LSTM) with a channel
Jing Tang, Lun Zhao, Minghu Wu, Zequan Jiang, Jiaxun Cao, Xiang Bao   +5 more
doaj   +2 more sources

Application of large underground seasonal thermal energy storage in district heating system: A model-based energy performance assessment of a pilot system in Chifeng, China [PDF]

, 2018
Seasonal thermal energy storage (STES) technology is a proven solution to resolve the seasonal discrepancy between heating energy generation from renewables and building heating demands.
Guo, Fang, Hensen, Jan L.M., Torrens, J. Ignacio, Xu, Luyi, Yang, Xudong   +4 more
core   +2 more sources

Thermodynamic analysis of a novel fossil-fuel–free energy storage system with a trans-critical carbon dioxide cycle and heat pump [PDF]

, 2020
This paper presents and analyzes a novel fossil-fuel–free trans-critical energy storage system that uses CO2 as the working fluid in a closed loop shuttled between two saline aquifers or caverns at different depths: one a low-pressure reservoir and the ...
Hao, Y, He, Q, Liu, W, Oldenburg, CM, Pan, L   +4 more
core   +1 more source

Investigation of a novel virtual cathode oscillator with decelerating electric field [PDF]

AIP Advances
Traditional virtual cathode oscillators require extremely high operating voltage to generate beam currents exceeding the space charge limiting current to form virtual cathodes, which significantly limits their repetitive operation capability and ...
Wenhao Lian, Jixiong Xiao, Ziyuan Wang, Weiye Lai, Linchuan Song, Shuai Yang   +5 more
doaj   +1 more source