self discharge

简明释义

自身放电

英英释义

Self discharge refers to the process by which a battery or capacitor loses its stored charge over time without any external load being applied.

自放电是指电池或电容器在没有外部负载的情况下,随着时间的推移而失去其储存电荷的过程。

例句

1.Manufacturers often provide information about the self discharge 自放电 characteristics of their products.

制造商通常会提供有关其产品的自放电特性的资料。

2.The battery is known to self discharge 自放电 when not in use for extended periods.

这款电池在长时间不使用时会出现自放电的现象。

3.Some lithium-ion batteries have a low self discharge 自放电 rate, making them ideal for long-term storage.

一些锂离子电池具有较低的自放电率,非常适合长期存储。

4.If you leave your flashlight unused for weeks, it might self discharge 自放电 and not work when you need it.

如果你把手电筒闲置几周,它可能会自放电,在你需要的时候无法使用。

5.To ensure optimal performance, check the self discharge 自放电 rate of your rechargeable batteries.

为了确保最佳性能,请检查您可充电电池的自放电率。

作文

In the realm of electronics and battery technology, the term self discharge refers to the phenomenon where a battery loses its charge over time, even when it is not in use. This loss of energy occurs due to internal chemical reactions within the battery that take place even without an external load. Understanding self discharge is crucial for both manufacturers and consumers, as it impacts the performance and longevity of batteries used in various devices, from smartphones to electric vehicles.Batteries are designed to store energy for later use, but the rate at which they discharge while sitting idle can vary significantly depending on their chemistry. For instance, nickel-cadmium (NiCd) batteries tend to have a higher self discharge rate compared to lithium-ion batteries. In practical terms, this means that a NiCd battery might lose up to 20% of its charge within a month of inactivity, while lithium-ion batteries can retain most of their charge for several months or even years.The implications of self discharge are particularly important for applications where reliability is critical. For example, in medical devices such as defibrillators, batteries must maintain their charge over long periods to ensure they are ready for immediate use in emergencies. Similarly, in renewable energy systems, such as solar power storage, batteries need to hold their charge effectively to provide power when needed. High self discharge rates can lead to situations where devices fail to operate when required, potentially causing harm or loss.Manufacturers are continually seeking ways to minimize self discharge rates in their products. Advances in battery technology have led to the development of new materials and designs that reduce internal resistance and improve overall efficiency. For instance, some modern lithium-ion batteries incorporate advanced electrolytes and separators that help to limit the unwanted chemical reactions responsible for self discharge. Consumers also play a role in managing self discharge through proper usage and maintenance of their devices. It is advisable to store batteries in a cool, dry place and to periodically recharge them, even if they are not being used regularly. This practice can help mitigate the effects of self discharge, ensuring that batteries remain functional and reliable over time.In conclusion, self discharge is a significant factor in the performance of batteries, affecting everything from everyday consumer electronics to critical medical equipment. By understanding this concept, both manufacturers and users can make informed decisions that enhance the reliability and efficiency of battery-powered devices. As technology continues to evolve, addressing the challenges associated with self discharge will remain a priority in the quest for better and more efficient energy storage solutions.

在电子和电池技术领域,术语自放电指的是电池在不使用时随时间失去电量的现象。这种能量损失是由于电池内部的化学反应所导致的,即使没有外部负载,这些反应仍然会发生。理解自放电对制造商和消费者至关重要,因为它影响着各种设备中电池的性能和寿命,从智能手机到电动汽车。电池的设计目的是储存能量以备后用,但它们在闲置时释放电量的速度可以因其化学成分而异。例如,镍镉(NiCd)电池的自放电率往往高于锂离子电池。实际上,这意味着NiCd电池在一个月的不活动中可能会失去多达20%的电量,而锂离子电池则可以在几个月甚至几年内保持大部分电量。自放电的影响在对可靠性要求严格的应用中尤为重要。例如,在医疗设备如除颤器中,电池必须在长时间内保持充电,以确保在紧急情况下能够立即使用。同样,在可再生能源系统(如太阳能储存)中,电池需要有效地保持电量,以便在需要时提供电力。高自放电率可能导致设备在需要时无法正常工作,可能造成伤害或损失。制造商们不断寻求降低其产品中自放电率的方法。电池技术的进步已经导致新材料和设计的开发,这些材料和设计可以减少内部阻力并提高整体效率。例如,一些现代锂离子电池采用先进的电解质和隔膜,有助于限制导致自放电的化学反应。消费者在管理自放电方面也发挥着作用,通过正确使用和维护设备来实现。建议将电池存放在阴凉干燥的地方,并定期充电,即使它们并不经常使用。这种做法可以帮助减轻自放电的影响,确保电池在长期内保持功能和可靠性。总之,自放电是电池性能的重要因素,影响从日常消费电子产品到关键医疗设备的一切。通过理解这一概念,制造商和用户都可以做出明智的决策,从而提高电池供电设备的可靠性和效率。随着技术的不断发展,解决与自放电相关的挑战将始终是追求更好、更高效的能源存储解决方案的优先事项。

相关单词

self

self详解:怎么读、什么意思、用法