active material

简明释义

活性材料放射性材料

英英释义

例句

1.Researchers are developing new types of active material to improve solar cell efficiency.

研究人员正在开发新型的活性材料以提高太阳能电池的效率。

2.The battery's performance depends significantly on the quality of the active material.

电池的性能在很大程度上取决于活性材料的质量。

3.In batteries, the active material must be carefully selected to ensure longevity.

在电池中，必须仔细选择活性材料以确保其使用寿命。

4.The pharmaceutical company is testing a new active material for its potential to treat cancer.

这家制药公司正在测试一种新的活性材料，以其治疗癌症的潜力。

5.In the production of paints, the active material plays a crucial role in determining color and finish.

在涂料的生产中，活性材料在决定颜色和光泽方面起着至关重要的作用。

作文

In the field of science and technology, the term active material refers to substances that participate in a chemical reaction or process. These materials are crucial in various applications, particularly in batteries, catalysts, and sensors. Understanding the role of active material is essential for advancing technology and improving efficiency in different industries.For instance, in the context of batteries, the active material is the component that undergoes electrochemical reactions to store and release energy. In lithium-ion batteries, the active material includes lithium cobalt oxide for the positive electrode and graphite for the negative electrode. The efficiency and capacity of a battery largely depend on the properties of these active materials. Researchers are continually exploring new compounds that can serve as active materials to enhance battery performance, reduce costs, and increase safety.Moreover, active materials are not limited to energy storage devices. In catalysis, active materials are the substances that accelerate chemical reactions without being consumed in the process. For example, in the production of ammonia through the Haber process, iron serves as an active material catalyst. The effectiveness of an active material catalyst can significantly impact the yield and efficiency of industrial processes.Additionally, in the realm of sensors, active materials can detect changes in environmental conditions or chemical compositions. For instance, metal oxides are often used as active materials in gas sensors because they can react with target gases and produce measurable electrical signals. The choice of active material directly influences the sensitivity and selectivity of the sensor.The development of new active materials is a vibrant area of research. Scientists are investigating nanomaterials, such as graphene and carbon nanotubes, which possess unique properties that can be harnessed for various applications. These materials may serve as active materials in next-generation batteries, leading to greater energy densities and faster charging times.Furthermore, the sustainability aspect of active materials is gaining attention. As the world moves towards greener technologies, researchers are looking for active materials that are abundant, non-toxic, and environmentally friendly. This shift is crucial for creating sustainable solutions that minimize the ecological impact of technological advancements.In conclusion, the term active material encompasses a wide range of substances that play pivotal roles in various scientific and industrial applications. From batteries to catalysts and sensors, the importance of active materials cannot be overstated. As technology continues to evolve, the discovery and optimization of active materials will remain a key focus, driving innovation and improving the efficiency of numerous processes. Understanding the characteristics and functions of active materials will empower future developments in science and technology, ultimately benefiting society at large.

在科学和技术领域，术语活性材料指的是参与化学反应或过程的物质。这些材料在各种应用中至关重要，特别是在电池、催化剂和传感器中。理解活性材料的作用对于推进技术和提高不同工业的效率至关重要。例如，在电池的背景下，活性材料是经历电化学反应以存储和释放能量的组件。在锂离子电池中，活性材料包括正极的氧化钴锂和负极的石墨。电池的效率和容量在很大程度上取决于这些活性材料的特性。研究人员不断探索可以作为活性材料的新化合物，以提高电池性能、降低成本并增加安全性。此外，活性材料不仅限于能量存储设备。在催化中，活性材料是加速化学反应而不被消耗的物质。例如，在通过哈伯法生产氨的过程中，铁作为活性材料催化剂。活性材料催化剂的有效性会显著影响工业过程的产量和效率。此外，在传感器领域，活性材料可以检测环境条件或化学成分的变化。例如，金属氧化物常用作气体传感器中的活性材料，因为它们可以与目标气体反应并产生可测量的电信号。活性材料的选择直接影响传感器的灵敏度和选择性。新活性材料的开发是一个充满活力的研究领域。科学家们正在研究纳米材料，如石墨烯和碳纳米管，这些材料具有独特的特性，可以用来进行各种应用。这些材料可能作为下一代电池中的活性材料，从而导致更大的能量密度和更快的充电时间。此外，活性材料的可持续性问题也引起了关注。随着世界向绿色技术转型，研究人员正在寻找丰富、无毒和环保的活性材料。这一转变对于创造可持续解决方案至关重要，以最小化技术进步对生态的影响。总之，术语活性材料涵盖了一系列在各种科学和工业应用中发挥关键作用的物质。从电池到催化剂和传感器，活性材料的重要性不可低估。随着技术的不断发展，活性材料的发现和优化将继续成为重点，推动创新，提高众多过程的效率。理解活性材料的特征和功能将使未来的科学和技术发展更有力量，最终惠及整个社会。