back contact
简明释义
1. 后接点; 2. 静合接点;
英英释义
例句
1.The engineer explained how the back contact 背接触 in solar panels improves efficiency.
工程师解释了太阳能电池板中如何通过 背接触 back contact 提高效率。
2.In this circuit design, the back contact 背接触 is crucial for reducing resistance.
在这个电路设计中,背接触 back contact 对于降低电阻至关重要。
3.Improper back contact 背接触 can lead to decreased performance in devices.
不当的 背接触 back contact 可能导致设备性能下降。
4.The technician checked the back contact 背接触 to ensure proper connectivity.
技术员检查了 背接触 back contact 以确保连接正常。
5.The research focused on optimizing the back contact 背接触 layer in photovoltaic cells.
研究集中在优化光伏电池中的 背接触 back contact 层。
作文
In the realm of electrical engineering, the term back contact refers to a specific type of electrical connection that is made on the back side of a device or component. This term is particularly significant in the design and functionality of solar cells, where the back contact plays a crucial role in the efficiency and performance of the cell. Understanding the importance of the back contact can help one appreciate the intricate design processes involved in modern technology.Solar cells function by converting sunlight into electricity. The primary components of a solar cell include the front contact, which collects the generated current, and the back contact, which serves as the return path for the electric current. The back contact is typically made from a conductive material, such as metal, that allows for efficient electron flow. Its placement at the rear of the cell minimizes shading on the front surface, thereby maximizing the amount of sunlight that can be absorbed.One of the key advantages of utilizing a back contact in solar cell design is the enhancement of the overall efficiency of the cell. By reducing the amount of material used on the front side, engineers can create a more effective light-absorbing surface. This is particularly important in high-efficiency solar cells, where even a small improvement in light absorption can lead to significant gains in energy output.Moreover, the back contact contributes to the mechanical stability of the solar cell. A well-designed back contact provides support to the cell structure, ensuring it can withstand environmental stresses such as wind, rain, and temperature fluctuations. This durability is essential for the longevity of solar panels, which are often exposed to harsh outdoor conditions for many years.Another aspect to consider is the impact of the back contact on manufacturing processes. The integration of back contacts in solar cell production can streamline assembly and reduce costs. By simplifying the connection points and improving the ease of integration, manufacturers can produce solar cells more efficiently, ultimately leading to lower prices for consumers.However, there are challenges associated with the design of back contacts. One significant issue is the potential for increased resistance at the contact point, which can hinder performance. Engineers must carefully select materials and design configurations to minimize this resistance while maintaining effective electrical connections. This balance is crucial for ensuring that the advantages of back contacts do not come at the expense of overall cell performance.In conclusion, the concept of back contact is vital in the field of solar energy and electrical engineering. As technology continues to evolve, understanding the function and significance of the back contact will be essential for advancing solar cell designs and improving energy efficiency. Whether you are an engineer, a student, or simply an enthusiast of renewable energy, grasping the nuances of the back contact can provide deeper insights into the workings of solar technology and its role in a sustainable future.
在电气工程领域,术语back contact指的是在设备或组件的背面进行的特定类型的电连接。这个术语在太阳能电池的设计和功能中尤为重要,因为back contact在电池的效率和性能中发挥着至关重要的作用。理解back contact的重要性可以帮助人们欣赏现代技术中复杂的设计过程。太阳能电池通过将阳光转化为电能来工作。太阳能电池的主要组件包括前接触点,它收集产生的电流,以及back contact,它作为电流的回路路径。back contact通常由导电材料(如金属)制成,允许有效的电子流动。它位于电池的后面,最大限度地减少了对前表面的阴影,从而最大限度地提高了能吸收的阳光量。在太阳能电池设计中,利用back contact的一个主要优点是提高了电池的整体效率。通过减少前侧使用的材料,工程师可以创建一个更有效的光吸收表面。这在高效太阳能电池中尤为重要,因为即使是小幅度的光吸收改善也会导致显著的能量输出增长。此外,back contact有助于太阳能电池的机械稳定性。设计良好的back contact为电池结构提供支持,确保其能够承受风、雨和温度波动等环境压力。这种耐用性对于太阳能电池板的使用寿命至关重要,因为它们往往在恶劣的户外条件下暴露多年。另一个需要考虑的方面是back contact对制造过程的影响。在太阳能电池生产中整合back contact可以简化组装并降低成本。通过简化连接点并提高集成的便利性,制造商可以更高效地生产太阳能电池,最终导致消费者价格的降低。然而,设计back contact也存在挑战。一个重要的问题是接触点处可能增加的电阻,这可能会妨碍性能。工程师必须仔细选择材料和设计配置,以最小化这种电阻,同时保持有效的电连接。这种平衡对于确保back contact的优势不会以牺牲整体电池性能为代价至关重要。总之,back contact的概念在太阳能能源和电气工程领域至关重要。随着技术的不断发展,理解back contact的功能和重要性对于推动太阳能电池设计和提高能源效率至关重要。无论你是一名工程师、一名学生,还是单纯的可再生能源爱好者,掌握back contact的细微差别都能为深入了解太阳能技术及其在可持续未来中的作用提供更深刻的见解。