photoelectric cell

简明释义

光电池

英英释义

例句

1.The streetlights automatically turn on at dusk thanks to the built-in photoelectric cell.

由于内置的光电池，街灯会在黄昏时自动开启。

2.The alarm system uses a photoelectric cell to detect motion in the dark.

报警系统使用光电池在黑暗中检测运动。

3.The automatic doors open when they sense movement through a photoelectric cell.

自动门通过光电池感应到运动时打开。

4.In solar panels, a photoelectric cell converts sunlight into electricity.

在太阳能电池板中，光电池将阳光转化为电能。

5.Many modern calculators use a photoelectric cell to conserve battery life.

许多现代计算器使用光电池来节省电池寿命。

作文

The world we live in is increasingly driven by technology, and one of the fascinating components of this technological revolution is the development of devices that harness energy from natural sources. Among these devices, the photoelectric cell, also known as a solar cell, plays a crucial role in converting sunlight into electricity. This remarkable innovation not only provides a renewable source of energy but also contributes to reducing our reliance on fossil fuels. In this essay, I will discuss the working principle of the photoelectric cell, its applications, and its significance in the context of sustainable energy solutions.A photoelectric cell operates based on the photoelectric effect, a phenomenon discovered by Albert Einstein in the early 20th century. Essentially, when light photons strike the surface of certain materials, they can dislodge electrons from their atoms. This process generates an electric current, which can be harnessed for various applications. The most common type of photoelectric cell is made from silicon, a semiconductor material that is abundant and efficient in converting sunlight into electricity. When sunlight hits the silicon cells, it excites the electrons, creating a flow of electricity.The applications of photoelectric cells are vast and varied. One of the most prominent uses is in solar panels, which are installed on rooftops and in solar farms to generate electricity for residential and commercial use. These panels can significantly reduce electricity bills and contribute to a cleaner environment by lowering carbon emissions. Additionally, photoelectric cells are used in various electronic devices, such as calculators and watches, where they provide a reliable power source without the need for batteries.Moreover, the significance of photoelectric cells extends beyond individual households. Governments and organizations worldwide are investing in solar energy as part of their commitment to combat climate change. The transition to renewable energy sources, including solar power generated by photoelectric cells, is essential for achieving sustainability goals. By harnessing the power of the sun, we can reduce greenhouse gas emissions and mitigate the impacts of global warming.In conclusion, the photoelectric cell represents a pivotal advancement in energy technology. Its ability to convert sunlight into electricity has transformed the way we think about energy production and consumption. As we continue to face the challenges of climate change and energy scarcity, the importance of photoelectric cells will only grow. Embracing this technology not only paves the way for a more sustainable future but also empowers individuals and communities to take control of their energy needs. Therefore, investing in photoelectric cells and promoting their use is a step toward a greener and more sustainable planet.

我们生活的世界越来越受到技术的驱动，而这种技术革命中一个令人着迷的组成部分就是开发能够利用自然资源的设备。在这些设备中，光电池（也称为太阳能电池）在将阳光转化为电能方面发挥着至关重要的作用。这一卓越的创新不仅提供了一种可再生的能源来源，还帮助减少了我们对化石燃料的依赖。在这篇文章中，我将讨论光电池的工作原理、应用及其在可持续能源解决方案中的重要性。光电池的工作原理基于光电效应，这一现象是阿尔伯特·爱因斯坦在20世纪初发现的。基本上，当光子撞击某些材料的表面时，它们可以使电子从其原子中脱离。这一过程产生电流，可以用于各种应用。最常见的光电池是由硅制成的，这是一种丰富且高效的半导体材料，能够将阳光转化为电能。当阳光照射到硅电池上时，它会激发电子，从而产生电流。光电池的应用广泛多样。其中最突出的用途是在太阳能电池板中，这些电池板安装在屋顶和太阳能农场上，为住宅和商业提供电力。这些电池板可以显著降低电费，并通过减少碳排放来促进更清洁的环境。此外，光电池还用于各种电子设备，如计算器和手表，在这些设备中它们提供可靠的电源，无需电池。此外，光电池的重要性不仅限于个人家庭。全球各国政府和组织正在投资太阳能，以履行他们应对气候变化的承诺。向可再生能源的转型，包括由光电池产生的太阳能，对于实现可持续发展目标至关重要。通过利用太阳的力量，我们可以减少温室气体排放，缓解全球变暖的影响。总之，光电池代表了能源技术的关键进步。它将阳光转化为电能的能力改变了我们对能源生产和消费的思考方式。随着我们继续面临气候变化和能源短缺的挑战，光电池的重要性只会增加。采用这一技术不仅为更可持续的未来铺平了道路，还使个人和社区能够掌控自己的能源需求。因此，投资光电池并促进其使用是迈向更绿色、更可持续星球的一步。