Results 31 to 40 of about 1,540,108 (157)
ABSTRACT Lithium metal anode and zinc metal anode have attracted considerable attention owing to their high theoretical capacity, low electrochemical potential, and superior electronic conductivity. However, their practical applications are greatly hindered by inherent issues such as uncontrollable dendritic growth and interfacial instability ...
Jing Wang +10 more
wiley +1 more source
环境温度对传感器的性能有影响,尤其是对气流式倾角传感器,由于敏感丝感受的是流场的变化,温度漂移更突出。该文根据气流式倾角传感器的敏感机理,利用粘性流体运动的相似理论,设计了一个补偿电路,该电路通过改变传感器内部热源的温度,使密闭腔内的流动在环境温度变化时保持流动相似,从而达到减少温度漂移的目的。试验结果表明,加上补偿电路后,电桥输出的温度漂移减少超过70 ...
张福学, 郑永红, 彭世镠
core +1 more source
ABSTRACT Composites of metal–organic frameworks (MOFs)/two‐dimensional transition metal carbides/nitrides (MXene) have been widely recognized as promising electrode materials for advanced electrochemical energy storage systems due to their synergistic structural advantages and tunable electrochemical properties.
Wenjun Zhu +5 more
wiley +1 more source
随着我国高压直流输电技术的不断发展,短路故障电流值也随之增加。针对直流电网中短路大电流开断这一难题,文中基于直流短路故障时断路器的工作原理研究,对短路电流采用先限流、再关断的方案,提出了一种利用限流电路进行两次限流的混合式断路器拓扑。同时,研究了限流电路参数的选取对断路器工作性能的影响,并对相关参数进行了优化。在仿真研究和理论分析的基础上,与没有第二次限流的断路器进行了比较。结果表明,该断路器可通过两次限流成功将电流限制住并在故障发生的5 ms内关断 ...
熊迪 +5 more
doaj
Glycerophosphocholine‐Mediated Dual Regulation for Highly Stable Aqueous Iron‐Ion Batteries
ABSTRACT Iron‐ion batteries (FeIB) offer the advantages of low cost and high capacity, demonstrating potential for large‐scale energy storage. However, severe hydrogen evolution reaction (HER) occurs during cycling, which significantly impacts battery lifespan.
Tian Yang +6 more
wiley +1 more source
本文介绍了太阳湍流发电机问题的双尺度平均场电动力学分析方法以及有关太阳发电机问题的研究结果:α,β效应及各种发电机模型。总结分析了现阶段太阳湍流发电机问题在观测和理论方面的主要困难 ...
唐泽眉
core +1 more source
ABSTRACT Rationally designing an electrocatalyst to achieve stable and efficient urea oxidation reaction (UOR) is crucial but still challenging, especially for ampere‐level application. Herein, Mn and Fe dual‐doped Ni0.85Se (Mn/Fe–Ni0.85Se) catalyst is synthesized via a facile and scalable electrodeposition and followed by selenization.
Guanglin Zhu +6 more
wiley +1 more source
ABSTRACT Li–O2 batteries garner widespread attention owing to their remarkable theoretical specific capacity. Nevertheless, the feasible implementation of the system is hindered by sluggish cathode reaction kinetics and poor anode stability. Herein, the carbon dots (CDs) with ‐OH, ‐NH2, and ‐COOH groups are synthesized and employed as electrolyte ...
Ying Li +9 more
wiley +1 more source
在分析天线电磁场理论的基础上,利用由该理论建立的数值电磁场仿真程序,计算了电力输电线路杆塔浪涌响应,并与传输线理论计算的浪涌响应进行了对比,证明采用数值电磁场方法计算杆塔雷击浪涌响应是可行的,可以用来计算雷击杆塔时架空线路上的感应过电压值。
莫付江, 陈允平, 阮江军
doaj
ABSTRACT Advanced metallic glasses, leveraging their ultrahigh strength, excellent corrosion resistance, superior soft magnetic properties and good biocompatibility, have gradually become indispensable strategic cornerstones in critical fields such as aerospace, electronic information and energy power. This unique combination of properties enables them
Yizhou Liu +11 more
wiley +1 more source

