electrodes

简明释义

英[ɪˈlɛk.trəʊdz]美[ɪˈlɛk.troʊdz]

n. [电]电极（electrode 的复数）；电焊条

英英释义

单词用法

同义词

反义词

例句

1.The lithium serves as electrodes, while the nanotube layers are current collectors.

锂作为电极，而碳纳米管层则是电流集合管。

2.He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow.

他有一根装着电极的管子，里面充满了氢原子。通过施加电压，他能够使气体发光。

3.The technique, known as EEG, is painless and involves attaching electrodes to the head.

这种方法像脑电图描记器一样被人所熟知，无痛且只需在头部附上电极条。

4.The number of electrodes needed to get useful EEG results is steadily decreasing.

得到有用EEG结果所需的电极数量正稳步下降。

5.Once in place, the electrodes can map the spread of electrical impulses through your heart.

电极就位后，便可以绘制心脏电脉冲活动与传导的详细情况。

6.The treatment involves the placement of twenty-two electrodes in the inner ear.

治疗包括在内耳安放22个电极。

7.All fuel cells have the same basic configuration; an electrolyte and two electrodes.

所有的燃料电池有相同的基本结构，包括一种电解质和两种电极。

8.Like a battery, they use positive and negative electrodes separated by an electrolyte.

燃料电池像电池一样，有正、负电极，两极之间是电解液。

9.Two electrodes that measure changes in the body's surface moisture are attached to the palms of your hands.

测量体表湿度变化的两个电极被连接到你的双掌上。

10.The scientist placed the electrodes (电极) in the solution to measure the voltage.

科学家将电极 (电极) 放入溶液中以测量电压。

11.In a battery, electrodes (电极) are crucial for the chemical reactions that produce electricity.

在电池中，电极 (电极) 对于产生电力的化学反应至关重要。

12.The electrodes (电极) in the heart monitor help track the patient's heart activity.

心脏监护仪中的电极 (电极) 有助于跟踪患者的心脏活动。

13.Different materials can be used for electrodes (电极), such as graphite or metal.

不同的材料可以用作电极 (电极)，例如石墨或金属。

14.The electrodes (电极) were connected to the oscilloscope to analyze the signal.

将电极 (电极) 连接到示波器以分析信号。

作文

In the field of electronics and electrochemistry, the term electrodes refers to conductive materials that allow the flow of electric current into or out of a medium, typically an electrolyte. These electrodes play a crucial role in various applications, ranging from batteries to electrolysis processes. Understanding the function and types of electrodes is essential for anyone interested in these fields. To begin with, there are two primary types of electrodes: anodes and cathodes. The anode is the electrode where oxidation occurs, meaning it loses electrons during the electrochemical reaction. Conversely, the cathode is the electrode where reduction takes place, gaining electrons in the process. This fundamental distinction between anodes and cathodes is vital for understanding how electrical circuits operate in devices like batteries, fuel cells, and electrolytic cells. For instance, in a common alkaline battery, the anode is typically made of zinc, while the cathode is composed of manganese dioxide. When the battery is in use, a chemical reaction occurs at the anode, releasing electrons that travel through the external circuit to the cathode. This flow of electrons generates the electric current that powers our devices. Therefore, the design and material selection of electrodes are critical factors that influence the efficiency and longevity of batteries. Another important aspect of electrodes is their surface area. A larger surface area allows for more reactions to occur simultaneously, which can enhance the performance of electrochemical systems. This is particularly significant in applications such as supercapacitors, where high power density and rapid charge/discharge cycles are desired. Researchers often explore different materials and geometries to optimize the surface area of electrodes, leading to advancements in energy storage technologies. Moreover, the material composition of electrodes can greatly impact their performance. Traditional materials like graphite and metals have been widely used, but there is a growing interest in alternative materials such as carbon nanotubes and graphene. These materials offer unique properties, such as improved conductivity and mechanical strength, which can result in more efficient electrodes. As technology progresses, the development of new materials continues to be a key area of research in the pursuit of better-performing electrochemical devices. Additionally, electrodes are not only limited to batteries; they are also essential components in electrolysis, a process used to separate elements from compounds. For example, water electrolysis involves using electrodes to split water into hydrogen and oxygen gases. The efficiency of this process relies heavily on the type and configuration of the electrodes used. Selecting the right materials can minimize energy loss and maximize gas production, making electrolysis a viable method for hydrogen production. In conclusion, electrodes are fundamental components in various electrochemical systems, playing a pivotal role in the generation and utilization of electrical energy. From batteries to electrolysis, understanding the types, materials, and configurations of electrodes is essential for advancing technology in these fields. As research continues to evolve, we can expect to see innovative solutions that enhance the performance and efficiency of electrodes, contributing to a more sustainable future in energy storage and conversion. Overall, mastering the concept of electrodes will empower individuals to engage with the rapidly changing landscape of technology and its applications in everyday life. By grasping the significance of electrodes, we can appreciate their impact on modern innovations and the potential they hold for future advancements in energy solutions.

在电子和电化学领域，术语electrodes指的是允许电流流入或流出介质（通常是电解质）的导电材料。这些electrodes在各种应用中发挥着至关重要的作用，从电池到电解过程。理解electrodes的功能和类型对于任何对这些领域感兴趣的人来说都是必不可少的。 首先，有两种主要类型的electrodes：阳极和阴极。阳极是发生氧化反应的电极，意味着它在电化学反应中失去电子。相反，阴极是发生还原反应的电极，在这个过程中获得电子。阳极和阴极之间的这种基本区别对于理解电路在电池、燃料电池和电解池等设备中的运作至关重要。 例如，在常见的碱性电池中，阳极通常由锌制成，而阴极则由二氧化锰组成。当电池使用时，阳极发生化学反应，释放出通过外部电路流向阴极的电子。这种电子流产生了为我们的设备供电的电流。因此，electrodes的设计和材料选择是影响电池效率和寿命的关键因素。 electrodes的另一个重要方面是其表面积。较大的表面积允许更多的反应同时发生，这可以增强电化学系统的性能。这在超电容器等应用中尤其重要，因为这些应用需要高功率密度和快速的充放电循环。研究人员经常探索不同的材料和几何形状，以优化electrodes的表面积，从而推动能源存储技术的进步。 此外，electrodes的材料组成会极大地影响其性能。传统材料如石墨和金属被广泛使用，但对替代材料如碳纳米管和石墨烯的兴趣日益增长。这些材料提供了独特的特性，例如提高的导电性和机械强度，可以导致更高效的electrodes。随着技术的进步，新材料的发展仍然是提升电化学设备性能的关键研究领域。 此外，electrodes不仅限于电池；它们在电解过程中也是重要组件，用于从化合物中分离元素。例如，水电解涉及使用electrodes将水分解为氢气和氧气。该过程的效率在很大程度上依赖于所使用的electrodes的类型和配置。选择合适的材料可以最小化能量损失并最大化气体生产，使电解成为氢气生产的可行方法。 总之，electrodes在各种电化学系统中是基础组件，在电能的生成和利用中发挥着关键作用。从电池到电解，理解electrodes的类型、材料和配置对于推动这些领域的技术进步至关重要。随着研究的不断发展，我们可以期待看到创新的解决方案，提升electrodes的性能和效率，为能源存储和转换的可持续未来做出贡献。 总的来说，掌握electrodes的概念将使个人能够参与快速变化的技术及其在日常生活中的应用。通过理解electrodes的重要性，我们可以欣赏它们对现代创新的影响以及它们在未来能源解决方案中所蕴含的潜力。