cathodes

简明释义

英[ˈkæθəʊdz]美[ˈkæθoʊdz]

n. [电子][电]阴极（cathode 的复数）；阴极剥离

英英释义

单词用法

同义词

反义词

例句

1.Materials, methods and classification of interfacial modification of cathodes in organic electroluminescent devices were reviewed in this paper.

综述了有机电致发光器件中阴极界面修饰的材料、方法和分类。

2.Finally we concluded the characters of the fabrication of field emission cathodes in large.

总结了规模化碳纳米管场发射阴极制备工艺应具有的特点。

3.According to long service life and good mechanical properties of electrode used in electrolysis process, oxygen cathodes used by fiber felt were studied.

针对电解行业对大尺寸电极使用寿命及机械性能要求较高的情况，开展了纤维毡型氧阴极的研究设计。

4.Characteristics of Scandate cathodes with Scandia doped tungsten bodies have been investigated in this work.

本文研究具有氧化钪掺杂钨基体钪酸盐阴极的性能。

5.The invention relates to a method for operating a magnetron sputter cathode, in particular a tube cathode or several tube cathodes forming an array.

本发明涉及一种用于操作磁控管溅射阴极、特别是阴极管或形成 一个阵列的几个阴极管的方法。

6.With the increase of graphite, the maximum temperature difference between different cathodes is small, while the average temperature of bottom surface is enlarged.

炭块的位移增大，而炭块内的最大热应力有不同程度的降低。

7.In a vacuum tube, the electrons are emitted from the 阴极 and travel towards the anode.

在真空管中，电子从阴极发射，并朝向阳极移动。

8.In many batteries, the 阴极 plays a crucial role in the discharge process.

在许多电池中，阴极在放电过程中起着至关重要的作用。

9.The design of the 阴极 can significantly affect the efficiency of the device.

阴极的设计可以显著影响设备的效率。

10.During electrolysis, the 阴极 attracts cations from the solution.

在电解过程中，阴极吸引溶液中的阳离子。

11.The performance of solar cells can be improved by optimizing the materials used for the 阴极.

通过优化用于阴极的材料，可以提高太阳能电池的性能。

作文

In the world of electronics, understanding the components that make up various devices is crucial for both engineers and enthusiasts alike. One such component that plays a vital role in many electronic systems is the cathodes (阴极). A cathode is an electrode through which electric current leaves a polarized electrical device. It is essential to grasp the function of cathodes in various applications, including batteries, diodes, and cathode ray tubes. To begin with, let’s discuss the role of cathodes in batteries. In a typical electrochemical cell, the cathode is the site of reduction, where the gain of electrons occurs during the discharge process. For example, in a lithium-ion battery, lithium ions move from the anode to the cathode during discharge, allowing the battery to provide power to devices. Understanding this process is fundamental for anyone looking to innovate in the field of energy storage or improve existing battery technologies.Moreover, cathodes are also integral to the functioning of diodes, which are semiconductor devices that allow current to flow in one direction only. In a diode, the cathode is connected to the negative side of the circuit, while the anode is connected to the positive side. This configuration allows for the control of electrical flow, making diodes essential in rectifiers and signal processing circuits. Recognizing how cathodes function within these devices can help engineers design more efficient circuits and improve overall performance.Another fascinating application of cathodes is found in cathode ray tubes (CRTs), which were once the standard technology for television displays and computer monitors. In a CRT, electrons are emitted from a heated filament and directed towards the cathode. The cathode then emits electrons that are accelerated and focused onto a phosphorescent screen, creating images. Although CRTs have largely been replaced by LCD and LED technologies, understanding the principles behind cathodes in this context provides valuable insights into the evolution of display technologies.Furthermore, the study of cathodes extends beyond traditional electronics into fields like materials science and nanotechnology. Researchers are exploring new materials for cathodes that can enhance the performance of batteries and fuel cells. For instance, the development of nanostructured cathodes has shown promise in increasing the efficiency and lifespan of energy storage devices. This research not only highlights the importance of cathodes in modern technology but also opens doors for future innovations.In conclusion, the significance of cathodes (阴极) in electronic devices cannot be overstated. From their crucial role in batteries and diodes to their historical importance in cathode ray tubes, cathodes are fundamental components that enable a wide range of technologies. As we continue to advance in the field of electronics, a deep understanding of cathodes will be essential for driving innovation and improving the performance of electronic devices. Whether you are an engineer, a student, or simply an enthusiast, grasping the concept of cathodes will undoubtedly enhance your knowledge of how the electronic world operates.

在电子世界中，理解构成各种设备的组件对工程师和爱好者来说至关重要。其中一个在许多电子系统中发挥重要作用的组件是cathodes（阴极）。cathode 是电极，通过它电流离开极化电气设备。掌握cathodes在电池、二极管和阴极射线管等各种应用中的功能是至关重要的。首先，让我们讨论一下cathodes在电池中的作用。在典型的电化学电池中，cathode 是还原反应的场所，在放电过程中发生电子的获得。例如，在锂离子电池中，锂离子在放电过程中从阳极移动到cathode，使电池能够为设备提供电力。理解这一过程对于任何希望在能源存储领域进行创新或改进现有电池技术的人来说都是基础。此外，cathodes在二极管的功能中也至关重要，二极管是一种允许电流仅向一个方向流动的半导体设备。在二极管中，cathode连接到电路的负极，而阳极连接到正极。这种配置允许控制电流的流动，使二极管在整流器和信号处理电路中成为必不可少的组件。认识到cathodes在这些设备中的功能可以帮助工程师设计更高效的电路，提高整体性能。另一个有趣的cathodes应用是在阴极射线管（CRT）中，阴极射线管曾是电视显示器和计算机显示器的标准技术。在CRT中，电子从加热的灯丝发射并指向cathode。然后，cathode发射电子，这些电子被加速并聚焦到荧光屏上，形成图像。尽管CRT已被LCD和LED技术大多取代，但理解cathodes在此上下文中的原理提供了对显示技术演变的宝贵见解。此外，cathodes的研究超越了传统电子学，延伸到材料科学和纳米技术等领域。研究人员正在探索新材料以增强电池和燃料电池的cathodes性能。例如，纳米结构cathodes的发展在提高能量存储设备的效率和寿命方面显示出希望。这项研究不仅突显了cathodes在现代技术中的重要性，还为未来的创新打开了大门。总之，cathodes（阴极）在电子设备中的重要性不容小觑。从它们在电池和二极管中的关键作用到它们在阴极射线管中的历史重要性，cathodes是使各种技术能够运作的基本组件。随着我们在电子领域的不断进步，深入理解cathodes将对推动创新和改善电子设备的性能至关重要。无论你是工程师、学生还是单纯的爱好者，掌握cathodes的概念无疑会增强你对电子世界运作方式的理解。