Results 51 to 60 of about 40,881 (309)

Performance of Asymmetric Electric Double Layer Capacitors — Predominant Contribution of the Negative Electrode

Adsorption Science & Technology, 2008
Asymmetric capacitors with a non-aqueous electrolyte were constructed by using various carbons as negative and positive electrodes in order to study their performance.
Lihong Wang, Masahiro Toyoda, Michio Inagaki   +2 more
doaj   +1 more source

Analysis of Noise-Detection Characteristics of Electric Field Coupling in Quartz Flexible Accelerometer

Micromachines, 2023
The internal electric field coupling noise of a quartz flexible accelerometer (QFA) restricts the improvement of the measurement accuracy of the accelerometer. In this paper, the internal electric field coupling mechanism of a QFA is studied, an electric
Zhigang Zhang, Dongxue Zhao, Huiyong He, Lijun Tang, Qian He   +4 more
doaj   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

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, Philippe Marrec, A. Jorge Parola, Madalena Dionísio, Hugo Águas, Andreia F. M. Santos, Hamed Pourkheirollah, Donald Lupo, César A. T. Laia   +8 more
wiley   +1 more source

Energy regeneration: A study on dynamic capacitance adjustment technology in piezoelectric shock absorbers for electric vehicles under varied road conditions.

PLoS ONE
This study investigates the performance of dynamic capacitance regulation technology in electric vehicle piezoelectric shock absorbers for energy recovery under varying road conditions.
Shih-Lin Lin
doaj   +1 more source

Investigation on Capacitance Collapse Induced by Secondary Capture of Acceptor Traps in AlGaN/GaN Lateral Schottky Barrier Diode

Micromachines, 2022
In this study, a dedicated dynamic measurement system was used to investigate the transient capacitance and recovery process of AlGaN/GaN lateral Schottky barrier diodes (SBDs).
Haitao Zhang, Xuanwu Kang, Yingkui Zheng, Ke Wei, Hao Wu, Xinyu Liu, Tianchun Ye, Zhi Jin   +7 more
doaj   +1 more source

Planar Solid‐State Nanopores Toward Scalable Nanofluidic Integration Based on CMOS Technology

Advanced Engineering Materials, EarlyView.
We present a scalable silicon‐based fabrication strategy for planar solid‐state nanopores to enable their integration with complex nanofluidic systems. Prototype devices demonstrate normal voltage‐current characteristics, good noise performance, and appreciable streaming currents. Our CMOS‐compatible fabrication process offers precise geometric control
Ngan Hoang Pham, Chenyu Wen, Mohammad Hadi Khaksaran, Won‐Yong Lee, Javier Cruz, Klas Hjort, Dongping Wu, Shi‐Li Zhang   +7 more
wiley   +1 more source

Tailored Hierarchical Porous Copper Architectures via Three Dimensional Printing and Pressure‐less Sintering for Next‐Generation Lithium‐Metal Batteries

Advanced Engineering Materials, EarlyView.
A hierarchical porous copper current collector is fabricated via three‐dimensional printing combined with pressureless sintering to stabilize lithium metal anodes. The interconnected architecture lowers local current density, guides uniform Li deposition within pores, and suppresses dendrite growth.
Alok Kumar Mishra, Mukul Shukla
wiley   +1 more source

FINITE VOLUME METHOD FOR THE CALCULATION OF ELECTROSTATIC FIELD OF THE 3-D SPHERE WITH A CUBIC CAVITY [PDF]

Problems of the Regional Energetics, 2014
The paper examines an approach to finite volume method which is used to calculate the electric field in three-dimensional environment. It is formulated the problem Dirichlet with building of the computational grid on base of space partition, which is ...
Patsiuk V.
doaj  

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

Integrating machine learning for advanced analysis of bioelectrical impedance parameters in children with nephrotic syndrome

Frontiers in Pediatrics
BackgroundNephrotic syndrome (NS) in children, characterised kidney-related protein leakage and peripheral oedema, remains challenging to assess. Bioelectrical impedance analysis (BIA) provides indices of body water (oedema), and analysis with machine ...
Josephine Reinert Quist, Leigh C. Ward, Lars Jødal, René Frydensbjerg Andersen, Christian Lodberg Hvas, Christian Lodberg Hvas, Steven Brantlov   +6 more
doaj   +1 more source