thermal runaway

简明释义

热耗散

英英释义

例句

1.If the battery is not properly ventilated, it may experience thermal runaway (热失控) and pose a fire hazard.

如果电池通风不良，它可能会经历热失控（热失控），并造成火灾隐患。

2.In lithium-ion batteries, thermal runaway (热失控) can occur due to internal short circuits.

在锂离子电池中，内部短路可能导致热失控（热失控）。

3.Manufacturers must design systems to prevent thermal runaway (热失控) in high-performance electronics.

制造商必须设计系统以防止高性能电子设备中的热失控（热失控）。

4.The laboratory conducted tests to analyze the risks of thermal runaway (热失控) in chemical reactions.

实验室进行了测试，以分析化学反应中热失控（热失控）的风险。

5.Engine overheating can lead to thermal runaway (热失控), damaging the vehicle.

发动机过热可能导致热失控（热失控），损坏车辆。

作文

In the realm of modern technology, particularly in the field of electronics and battery management, the term thermal runaway refers to a critical failure mode that can lead to catastrophic consequences. This phenomenon occurs when an increase in temperature causes a system to become unstable, leading to further increases in temperature in a self-reinforcing cycle. Understanding thermal runaway is essential for engineers and scientists who design and manage systems that involve heat generation and dissipation.One of the most notable examples of thermal runaway can be observed in lithium-ion batteries, which are widely used in smartphones, laptops, and electric vehicles. When these batteries are charged or discharged, they generate heat. Under normal conditions, this heat is dissipated effectively; however, if the battery is damaged or improperly managed, it can enter a state of thermal runaway. In this state, the heat generated exceeds the heat that can be lost, causing the battery's temperature to rise uncontrollably. This excessive heat can lead to the breakdown of the battery's internal components, releasing flammable gases and potentially resulting in fires or explosions.The implications of thermal runaway extend beyond battery safety. In various industrial processes, such as chemical manufacturing, thermal runaway can occur during exothermic reactions where the heat produced by the reaction accelerates the reaction itself. If not properly controlled, this can lead to hazardous situations, including explosions and the release of toxic substances into the environment. Therefore, understanding the mechanisms behind thermal runaway is crucial for ensuring safety in both consumer products and industrial applications.To prevent thermal runaway, several strategies can be employed. For batteries, manufacturers often incorporate thermal management systems that include cooling mechanisms and safety features such as pressure relief valves. Additionally, advanced battery management systems (BMS) continuously monitor the battery's temperature, voltage, and current to detect any abnormalities that may indicate the onset of thermal runaway. These systems can take corrective actions, such as reducing the charging rate or shutting down the battery altogether to prevent dangerous situations.In industrial settings, rigorous safety protocols must be established to monitor and control temperatures during chemical reactions. This includes the use of temperature sensors, automated shut-off systems, and regular maintenance checks to ensure that equipment is functioning correctly. Training personnel to recognize the signs of thermal runaway and respond appropriately is also vital for preventing accidents.As technology continues to advance, the importance of understanding thermal runaway will only grow. With the increasing reliance on batteries in renewable energy systems, electric vehicles, and portable electronics, ensuring their safe operation is paramount. Researchers are continually exploring new materials and designs that can minimize the risk of thermal runaway, such as solid-state batteries and innovative cooling solutions.In conclusion, thermal runaway is a significant concern in various fields, particularly in battery technology and chemical manufacturing. By understanding its mechanisms and implementing effective preventive measures, we can enhance safety and reliability in our technological advancements. As we move forward, continued research and innovation will be essential in mitigating the risks associated with thermal runaway and ensuring a safer future for all.

在现代科技领域，特别是在电子和电池管理方面，术语热失控指的是一种可能导致灾难性后果的关键故障模式。这种现象发生在温度升高导致系统不稳定，从而产生自我增强循环中的进一步温度升高。理解热失控对于设计和管理涉及热生成和散发的系统的工程师和科学家至关重要。热失控最显著的例子可以在锂离子电池中观察到，这些电池广泛用于智能手机、笔记本电脑和电动汽车。当这些电池充电或放电时，它们会产生热量。在正常条件下，这种热量能够有效散发；然而，如果电池受到损坏或管理不当，它可能进入热失控状态。在这种状态下，产生的热量超过了可以散失的热量，导致电池温度失控地上升。这种过度的热量可能导致电池内部组件的破坏，释放可燃气体，并可能导致火灾或爆炸。热失控的影响不仅仅局限于电池安全。在各种工业过程中，例如化学制造，当放热反应中产生的热量加速反应本身时，热失控可能发生。如果不加以控制，这可能导致危险情况，包括爆炸和有毒物质释放到环境中。因此，理解热失控背后的机制对于确保消费者产品和工业应用的安全至关重要。为了防止热失控，可以采用几种策略。对于电池，制造商通常会结合热管理系统，包括冷却机制和安全特性，如压力释放阀。此外，先进的电池管理系统（BMS）持续监测电池的温度、电压和电流，以检测任何异常情况，这些情况可能表明热失控的开始。这些系统可以采取纠正措施，例如降低充电速率或完全关闭电池，以防止危险情况。在工业环境中，必须建立严格的安全协议，以监测和控制化学反应过程中的温度。这包括使用温度传感器、自动关闭系统和定期维护检查，以确保设备正常运行。培训人员识别热失控的迹象并作出适当反应，对于防止事故也至关重要。随着技术的不断进步，理解热失控的重要性只会增加。随着对可再生能源系统、电动汽车和便携式电子设备中电池的依赖日益增加，确保其安全运行至关重要。研究人员正在不断探索新材料和设计，以最小化热失控的风险，例如固态电池和创新冷却解决方案。总之，热失控是各个领域的重要关注点，尤其是在电池技术和化学制造中。通过理解其机制并实施有效的预防措施，我们可以提高技术进步的安全性和可靠性。随着我们向前发展，持续的研究和创新将对减轻与热失控相关的风险至关重要，并确保我们所有人的未来更加安全。