voltammeter

简明释义

英[ˌvəʊltˈæmˌmiːtə(r)]美[vɑːlˈtæmiːtər]

n. [电] 伏特安培表；电压电流两用表

英英释义

单词用法

同义词

反义词

例句

1.MOR zeolite was dispersed into poly(ethylene glycol)oligomer to form a stable gel. Its Electrochemical behavior was first detected by a cyclic voltammeter.

丝光沸石被分散到乙二醇低聚物中形成稳定的胶体。它的电化学行为首次被用循环伏安法研究。

2.MOR zeolite was dispersed into poly(ethylene glycol)oligomer to form a stable gel. Its Electrochemical behavior was first detected by a cyclic voltammeter.

丝光沸石被分散到乙二醇低聚物中形成稳定的胶体。它的电化学行为首次被用循环伏安法研究。

3.A voltammeter is a device for measuring voltage or amperage.

伏安计是用于测量电压和安培数的仪器。

4.The technician used a voltammeter to measure the current and voltage in the circuit.

技术员使用电压安培计测量电路中的电流和电压。

5.Before starting the experiment, ensure the voltammeter is calibrated correctly.

在开始实验之前，确保电压安培计已正确校准。

6.In electrochemistry, a voltammeter is essential for analyzing redox reactions.

在电化学中，电压安培计对分析氧还原反应至关重要。

7.The professor demonstrated how to connect a voltammeter to the power supply.

教授演示了如何将电压安培计连接到电源上。

8.Using a voltammeter, we can determine the efficiency of the battery.

通过使用电压安培计，我们可以确定电池的效率。

作文

In the world of electrochemistry, understanding the tools and instruments used for measurement is crucial. One such instrument that plays a significant role in this field is the voltammeter. A voltammeter is an essential device used to measure the current flowing through an electrochemical cell as a function of the applied voltage. This relationship allows scientists and engineers to analyze various electrochemical processes, including reactions occurring at electrodes, which are fundamental to numerous applications such as batteries, fuel cells, and corrosion studies. The principle behind the voltammeter is relatively straightforward. When a voltage is applied across an electrochemical cell, it drives a current that can be measured. By varying the applied voltage and recording the corresponding current, one can create a voltammogram, which is a graphical representation of the current versus voltage. This graph provides valuable insights into the redox reactions taking place within the cell, helping researchers identify the characteristics of different substances. For instance, in a typical experiment using a voltammeter, a sample solution containing an analyte is placed in the electrochemical cell. As the voltage is incrementally increased, the current response is monitored. The resulting voltammogram can reveal important information about the concentration of the analyte, its oxidation and reduction potentials, and the kinetics of the electrochemical reaction. This data is vital for developing new materials for energy storage and conversion, as well as for understanding fundamental chemical processes. Moreover, the voltammeter can be classified into different types based on its operational mechanism. The most common types include linear sweep voltammetry (LSV), cyclic voltammetry (CV), and differential pulse voltammetry (DPV). Each technique has its unique advantages and applications. For example, cyclic voltammetry is particularly useful for studying reaction mechanisms and electron transfer processes, while differential pulse voltammetry offers enhanced sensitivity for detecting low concentrations of analytes. In addition to its applications in research, the voltammeter is also widely used in industrial settings. Industries involved in electroplating, battery manufacturing, and environmental monitoring rely on this instrument to ensure quality control and compliance with safety standards. By accurately measuring the electrochemical properties of materials and solutions, companies can optimize their processes and develop more efficient products. Furthermore, the importance of the voltammeter extends beyond just measurement; it also serves as a teaching tool in educational institutions. Students studying chemistry and engineering benefit from hands-on experience with this instrument, gaining practical skills that are essential for their future careers. Understanding how to operate a voltammeter and interpret its results fosters a deeper appreciation for the complexities of electrochemical systems. In conclusion, the voltammeter is a powerful instrument that significantly contributes to the field of electrochemistry. Its ability to measure current as a function of voltage provides critical insights into electrochemical reactions, making it indispensable for both research and industrial applications. As technology advances, the role of the voltammeter will continue to evolve, further enhancing our understanding of electrochemical phenomena and leading to innovative solutions in energy, materials science, and environmental stewardship.

在电化学的世界中，理解和掌握测量所用工具和仪器至关重要。一个在这个领域中发挥重要作用的仪器是电流计。电流计是一种基本设备，用于测量电化学电池中流过的电流与施加电压之间的关系。这种关系使科学家和工程师能够分析各种电化学过程，包括发生在电极上的反应，这些反应对电池、燃料电池和腐蚀研究等众多应用至关重要。 电流计背后的原理相对简单。当施加电压到电化学电池时，它会驱动可以测量的电流。通过改变施加的电压并记录相应的电流，可以创建伏安图，这是电流与电压的图形表示。该图提供了关于电池内发生的氧化还原反应的重要见解，帮助研究人员识别不同物质的特性。 例如，在使用电流计的典型实验中，含有分析物的样品溶液被放置在电化学电池中。当电压逐渐增加时，监测电流响应。生成的伏安图可以揭示有关分析物浓度、其氧化和还原电位以及电化学反应动力学的重要信息。这些数据对于开发新的能源存储和转换材料以及理解基本化学过程至关重要。 此外，电流计可以根据其操作机制分为不同类型。最常见的类型包括线性扫描伏安法（LSV）、循环伏安法（CV）和差分脉冲伏安法（DPV）。每种技术都有其独特的优点和应用。例如，循环伏安法特别适用于研究反应机制和电子转移过程，而差分脉冲伏安法则提供了对低浓度分析物的增强敏感性。 除了在研究中的应用外，电流计在工业环境中也得到了广泛使用。参与电镀、电池制造和环境监测的行业依赖该仪器来确保质量控制和遵守安全标准。通过准确测量材料和溶液的电化学特性，公司可以优化其工艺并开发更高效的产品。 此外，电流计的重要性不仅限于测量；它还作为教育机构中的教学工具。学习化学和工程的学生通过实践经验受益于该仪器，获得未来职业生涯所需的实用技能。理解如何操作电流计并解释其结果，有助于加深对电化学系统复杂性的欣赏。 总之，电流计是一种强大的仪器，对电化学领域作出了重要贡献。它测量电流作为电压函数的能力提供了对电化学反应的关键见解，使其在研究和工业应用中不可或缺。随着技术的进步，电流计的角色将继续演变，进一步增强我们对电化学现象的理解，并在能源、材料科学和环境保护方面带来创新解决方案。