Results 61 to 70 of about 20,529 (288)

MOFs and COFs in Electronics: Bridging the Gap between Intrinsic Properties and Measured Performance

Advanced Functional Materials, EarlyView.
Metal‐organic frameworks (MOFs) and covalent organic frameworks (COFs) hold promise for advanced electronics. However, discrepancies in reported electrical conductivities highlight the importance of measurement methodologies. This review explores intrinsic charge transport mechanisms and extrinsic factors influencing performance, and critically ...
Jonas F. Pöhls, R. Thomas Weitz
wiley   +1 more source

Tuning the Electronic Structure and Spin State of Fe─N─C Catalysts Using an Axial Oxygen Ligand and Fe Clusters for High‐Efficiency Rechargeable Zinc–Air Batteries

Advanced Functional Materials, EarlyView.
A FeN4─O/Clu@NC‐0.1Ac catalyst containing atomically‐dispersed FeN4─O sites (medium‐spin Fe2+) and Fe clusters delivered a half‐wave potential of 0.89 V for ORR and an overpotential of 330 mV at 10 mA cm−2 for OER in 0.1 m KOH. When the catalyst was used in a rechargeable Zn–air battery, a power density of 284.5 mW cm−2 was achieved with excellent ...
Yongfang Zhou, Yu Mao, Mengyao Chang, Ziyun Wang, Wenke Xie, Cuizhu Ye, Shanghai Wei, Lars Thomsen, Geoffrey I. N. Waterhouse   +8 more
wiley   +1 more source

A Low Voltage Circuit Breaker Switch Trip Circuit State Detection Method Based on Current Signal Characteristic Extraction and Bidirectional Long Short‐Term Memory Neural Network

Engineering Reports
To accurately and timely detect the status of the low‐voltage circuit breaker switch trip circuit, ensure the safe and stable operation of the power system, and reduce economic losses caused by circuit breaker failures, a method for detecting the status ...
Wei Zhang, Ping Wang
doaj   +1 more source

Deep auto-encoder network for mechanical fault diagnosis of high-voltage circuit breaker operating mechanism

Paladyn, 2023
To improve the accuracy of the mechanical fault diagnosis of the operating mechanism and fully exploit the characteristic information in the vibration signal of the high-voltage circuit breaker, a mechanical fault diagnosis method of the operating ...
Yang Qiuping, Hao Fang
doaj   +1 more source

Waveform-level time-domain simulation comparison study of three shipboard power system architectures [PDF]

, 2012
Detailed waveform-level modeling and simulation of three alternative shipboard power system architectures is presented herein. The three system architectures are based on conventional 60Hz medium-voltage ac (MVAC), higherfrequency 240Hz medium-voltage ac
Crider, J., Dougal, R.A., Hebner, R., Langston, J., Lee, Y., Ouroua, A., Steurer, M., Sudhoff, S.D., Zhang, Y., Zivi, E.   +9 more
core  

Power balancing and dc fault ride through in DC grids with dc hubs and wind farms [PDF]

, 2015
Acknowledgment This project was funded by European Research Council under the Ideas program in FP7; grant no 259328, 2010.Peer ...
Jovcic, Dragan, Lin, Weixing
core   +1 more source

Synthetic Nanobiology Actuated Lipometabolic Cell Factory for Autologous Tumor Immunotherapy

Advanced Functional Materials, EarlyView.
FA plays a crucial role in the interaction between tumor cells and the tumor microenvironment, especially for the immune response. A biocatalytic immunoenhancement strategy is developed to boost antitumor immunity by FA metabolic orientation to ceramide. Through the design of this delicate catalytic immunoenhancement strategy, the synthetic nanobiology
Shoujie Zhao, Yejing Zhu, Hengchao Yu, Jun Zhu, Bo Wang, Yu Qiao, Zhimin Tian, Junlong Zhao, Lei Liu   +8 more
wiley   +1 more source

A hybrid circuit breaker based on current commutation approach for multi-feeder DC railway substations

CSEE Journal of Power and Energy Systems, 2019
The paper presents an economic hybrid circuit breaker for limiting and interrupting the faults in DC railways substations. For fast fault current interruption, the hybrid breaker incorporates high speed mechanical contacts actuated by power semiconductor
Saady Hasan
doaj   +1 more source

Development and test of resistive superconducting fault current limiter; acting time and its recovery conditions [PDF]

, 2014
Resistive-type of superconducting fault current limiters (RSFCL) have been developed for medium voltage class aiming to operate at 1 MVA power capacity and short time recovery (< 2 s).
Baldan, Carlos A, Guedes, Luciano C, Lamas, Jérika, Ruppert, Ernesto, Shigue, Carlos Y   +4 more
core   +2 more sources

Block Copolymers: Emerging Building Blocks for Additive Manufacturing

Advanced Functional Materials, EarlyView.
This review addresses how block copolymer (BCP) physics and rheology have led to the widespread use of BCPs in advanced additive manufacturing techniques, with particular emphasis on the untapped potential of these nanostructured materials toward achieving multi‐scale architected materials with unique, programmable material properties.
Alice S. Fergerson, Hemish B. Thakkar, Jiaen Wu, Emily C. Davidson   +3 more
wiley   +1 more source