dry cell

简明释义

干电池

英英释义

例句

1.You can find dry cells (干电池) at any convenience store.

你可以在任何便利店找到 干电池 。

2.The remote control uses a standard AA dry cell (干电池) to operate.

遥控器使用标准AA 干电池 来运作。

3.The toy requires two dry cells (干电池) to function properly.

这个玩具需要两个 干电池 才能正常工作。

4.When camping, it's important to bring extra dry cells (干电池) for your flashlight.

露营时，带上额外的 干电池 对你的手电筒很重要。

5.Most portable devices are powered by dry cells (干电池) due to their convenience.

大多数便携设备都由 干电池 提供电力，因为它们方便。

作文

In today's world, batteries play a crucial role in powering our everyday devices, from remote controls to smartphones. Among the various types of batteries available, the dry cell stands out due to its convenience and efficiency. A dry cell is defined as a type of electrochemical cell that uses a paste electrolyte instead of a liquid one. This innovation makes it less prone to leakage and spills, making it ideal for portable devices. The invention of the dry cell revolutionized the battery industry. Before its introduction, most batteries were wet cells, which contained liquid electrolytes that could easily leak. This posed a significant risk for users, especially in portable electronic devices. The dry cell mitigated this issue by using a solid or gel-like substance as an electrolyte, allowing for safer and more reliable usage.One of the most common examples of a dry cell is the alkaline battery. Alkaline batteries are widely used in household items like flashlights, toys, and remote controls. Their popularity can be attributed to their long shelf life and ability to deliver a steady voltage output over time. Additionally, they are relatively inexpensive to produce, making them accessible to consumers worldwide.The chemistry behind a dry cell is fascinating. In a typical alkaline dry cell, the anode is made of zinc powder, while the cathode is composed of manganese dioxide. The electrolyte is a potassium hydroxide paste that facilitates the flow of ions between the anode and cathode, generating electrical energy. This chemical reaction is what powers our devices, demonstrating the importance of understanding the science behind these seemingly simple components.Another advantage of dry cells is their versatility. They come in various sizes and shapes, catering to different devices' power needs. From small AAA batteries used in digital cameras to larger cylindrical batteries found in power tools, the adaptability of dry cells has made them a staple in modern technology.However, it is essential to consider the environmental impact of dry cells. While they are convenient, improper disposal can lead to pollution and harmful effects on wildlife. Many dry cells contain heavy metals such as mercury and cadmium, which can leach into the soil and water supply if not disposed of correctly. As a result, recycling programs for batteries have become increasingly important, encouraging consumers to return used batteries to designated collection points.In conclusion, the dry cell has significantly impacted our daily lives, providing a reliable source of power for countless devices. Its invention marked a turning point in battery technology, offering a safer and more efficient alternative to traditional wet cells. However, as we continue to rely on these power sources, it is crucial to be mindful of their environmental implications and take steps to recycle and dispose of them responsibly. Understanding the function and significance of the dry cell not only enhances our appreciation for technology but also underscores our responsibility to protect the planet for future generations.

在今天的世界中，电池在为我们的日常设备提供动力方面发挥着至关重要的作用，从遥控器到智能手机。在各种类型的电池中，干电池因其便利性和高效性而脱颖而出。干电池被定义为一种使用干燥电解质而不是液体电解质的电化学电池。这一创新使其不易泄漏和溢出，使其成为便携设备的理想选择。干电池的发明彻底改变了电池行业。在其问世之前，大多数电池都是湿电池，含有容易泄漏的液体电解质。这对用户构成了重大风险，尤其是在便携式电子设备中。干电池通过使用固体或凝胶状物质作为电解质来缓解这一问题，从而实现了更安全、更可靠的使用。最常见的干电池之一是碱性电池。碱性电池广泛用于家庭用品，如手电筒、玩具和遥控器。它们的受欢迎程度可以归因于其长的保质期和能够随着时间的推移提供稳定电压输出。此外，它们的生产成本相对较低，使其对全球消费者更具可及性。干电池背后的化学原理非常迷人。在典型的碱性干电池中，阳极由锌粉制成，而阴极由二氧化锰组成。电解质是一种氢氧化钾糊状物，促进阳极和阴极之间离子的流动，从而产生电能。这种化学反应为我们的设备提供动力，展示了理解这些看似简单的组件背后科学的重要性。干电池的另一个优点是其多功能性。它们有不同的尺寸和形状，以满足不同设备的功率需求。从用于数码相机的小AAA电池到用于电动工具的大圆柱形电池，干电池的适应性使其成为现代技术的基础。然而，考虑干电池的环境影响也至关重要。虽然它们方便，但不当处理可能导致污染和对野生动物的有害影响。许多干电池含有重金属，如汞和镉，如果处理不当，可能渗入土壤和水源。因此，电池回收计划变得越来越重要，鼓励消费者将使用过的电池送回指定的回收点。总之，干电池对我们的日常生活产生了重大影响，为无数设备提供了可靠的电源。它的发明标志着电池技术的转折点，为传统湿电池提供了一种更安全、更高效的替代方案。然而，随着我们继续依赖这些电源，关注其环境影响并采取负责任的回收和处理措施至关重要。理解干电池的功能和重要性不仅增强了我们对技术的欣赏，而且强调了我们保护地球以造福未来几代人的责任。