Results 81 to 90 of about 3,122 (211)

Enabling EVA for TOPCon: How Glass Frit Composition Governs Resistance to Acetic Acid–Induced Corrosion

Progress in Photovoltaics: Research and Applications, EarlyView.
This work reveals that glass frit chemistry governs acetic‐acid‐induced corrosion and damp‐heat stability in LAF‐processed TOPCon modules. Compared with a Pb/B‐rich frit, a Ba/Zn‐modified frit preserves the Ag–Si interface, suppresses contact‐resistance increase and improves module reliability.
Jiexi Fu, Wei Wu, Yan Zhang, Lin Lv, Chao An, Weiguang Yang, Zhan Wang, Jinshuai Song, Xutao Wang, Xinyuan Wu, Bram Hoex   +10 more
wiley   +1 more source

Application of Titanium Alloy Materials in High-speed EMU Bogie Frames

Chengshi guidao jiaotong yanjiu
ObjectiveWhole-vehicle lightweighting has become a focus issue in the technology development of new generation high-speed EMU (electric multiple unit). At present, various existing high-speed EMU trains in China still extensively use steel materials.
Zhaojin LIU, Chunyuan SONG, Dinghao XU, Yuanyuan FU   +3 more
doaj   +1 more source

Feasibility Study on Raising the Operation Speed of EMU from 350 km/h to 400 km/h

机车电传动, 2020
In order to further improve people's travel experience and service quality, improve transportation organization efficiency and reduce operation cost, CRRC Changchun Railway Vehicles Co., Ltd. plans to develop 400 km/h high-speed EMU.
Lei WANG, Dongming YU, Yong DING
doaj  

Sensors Burned Cause Analysis of High-speed EMUs

, 2014
In order to solve the malfunctions of bogie gear-box temperature sensor, axle head speed sensor, and axle temperature sensor for breakdown by high voltage at operation process of CRH380BL trains, the EMUs grounding system was studied, and a simple grounding model was built and analyzed, which gave the malfunctions solutions and provided grounding ...
ZHANG Qiumin, WANG Xinghua, HAO Mingyuan, WANG Yanqin, LI Ying   +4 more
openaire   +1 more source

Ionogel Actuators: A Review

SmartBot, EarlyView.
Ionogels dynamically and functionally couple ionic liquids with polymer networks, enabling multiscale programmable deformation and motion under electrical, magnetic, optical, thermal, humidity, and chemical stimuli. This article systematically elucidates the constituent components, structural design, and multiscale actuation mechanisms of ionogel ...
Dezhou Cao, Dongqing He, Yuanxiang Zhao, Dongdong Jin, Jiaheng Zhang, Wei Wang   +5 more
wiley   +1 more source

Parallel Control of Auxiliary Inverters for High-Speed EMU

Kongzhi Yu Xinxi Jishu, 2014
The control strategy of parallel inverters was analyzed and implemented with the background of high-speed EMU program. By calculating positive power and negative power, output voltage and frequency of auxiliary inverters were controlled with the PQ droop
WEI Kai, ZHANG Zhixue, SHANG Jing
doaj  

Covalent Functionalization of NiFe Layered Double Hydroxides using Tris(Hydroxymethyl)Aminomethane

Small, EarlyView.
Covalent functionalization of NiFe layered double hydroxides with tris(hydroxymethyl)aminomethane enables controlled growth, enhanced structural order, and improved processability. Temporary TRIS anchoring promotes stable water‐based inks and binder‐free electrode fabrication, leading to enhanced oxygen evolution activity and long‐term stability under ...
Alvaro Seijas Da Silva, Federico Juarez‐Dominguez, Víctor Oestreicher, Martín Mizrahi, Diego Hunt, Bruno J. C. Vieira, Joao C. Waerenborgh, Valeria Ferrari, Gonzalo Abellán   +8 more
wiley   +1 more source

B, N, and O Co‐Doped Nanoporous Activated Carbon With High Surface Area and Hierarchical Porous Structure for Enhanced Li‐Ion Battery and Supercapacitor Performance

Small, EarlyView.
The current research demonstrates co‐activation strategy for the development of heteroatom‐doped hierarchical nanoporous carbon for energy storage application, both in lithium‐ion batteries and supercapacitors. ABSTRACT Nanoporous carbon materials with tunable physicochemical characteristics, such as high surface area, promising conductivity, and ...
P. A. Aleena, Rohan Bahadur, Vibin Perumalsamy, Solomon Ansah, R. K. Singh Raman, D. Sajan, Ajayan Vinu   +6 more
wiley   +1 more source

Electrostatic generator enhancements for powering IoT nodes via efficient energy management

Microsystems & Nanoengineering
Electrostatic generators show great potential for powering widely distributed electronic devices in Internet of Things (IoT) applications. However, a critical issue limiting such generators is their high impedance mismatch when coupled to electronics ...
Zibo Wu, Zeyuan Cao, Junchi Teng, Rong Ding, Jiani Xu, Xiongying Ye   +5 more
doaj   +1 more source

Optimization of constant-speed control algorithm for high-speed EMUs

Constant-speed control is deemed one of the core control functions for high speed EMUs, with accuracy being crucial for ensuring smooth operation. Given the complex operational environments of trains, ensuring the accuracy of constant-speed control for high-speed EMUs remains a research challenge in the industry.
XIONG Yan, ZHOU Shangru, XU Qing, HUANG He   +3 more
openaire   +1 more source