thermoelectric

简明释义

英[ˌθɜːməʊɪˈlektrɪk]美[ˌθɜːrmoɪˈlektrɪk]

adj. [电]热电的（等于 thermoelectrical）

英英释义

单词用法

同义词

反义词

例句

1.One way out of this may be a second curious physical phenomenon—the thermoelectric effect.

解决这个问题的方法之一可能是第二种奇怪的物理现象——热电效应。

2.The contact potential or thermoelectric offset voltage is the key specification of a switch card designed for low voltage switching.

接触电势或热电效应偏移电压是设计用于低压切换的开关卡的关键技术指标。

3.The amount of power released, he says, is much greater than that predicted by thermoelectric calculations.

他说，所释放的电量比热点计算法预计的要多得多。

4.These thermal diodes could have a number of applications, such as improving the efficiency of thermoelectric converters.

这种热二极管有各种应用，比如提高热点转换器的效率。

5.And thermoelectric devices could be used in other areas. They could work alongside solar cells and solar heating systems.

热电装置还可以用于其他领域，比如太阳能电池和太阳能加热系统。

6.Minimizing temperature gradients within the circuit also reduces thermoelectric EMFs.

将电路中的温度梯度减至最小也可以降低热电动势。

7.Latching relays use a pulse of current to actuate them, so they have very low thermoelectric drift.

闭锁继电器采用了一个电流脉冲进行激励，因此其热电漂移非常小。

8.This car model features a thermoelectric 热电 cooling system that enhances fuel efficiency.

这款汽车型号配备了一个热电冷却系统，提高了燃油效率。

9.We are developing a thermoelectric 热电 device that can operate in extreme temperatures.

我们正在开发一种可以在极端温度下工作的热电设备。

10.The new device utilizes thermoelectric 热电 materials to convert waste heat into electricity.

这个新设备利用热电材料将废热转化为电能。

11.Researchers are exploring thermoelectric 热电 generators for use in remote sensors.

研究人员正在探索用于远程传感器的热电发电机。

12.The efficiency of thermoelectric 热电 modules has significantly improved in recent years.

近年来，热电模块的效率显著提高。

作文

Thermoelectric materials have gained significant attention in recent years due to their potential applications in energy conversion and refrigeration. The term thermoelectric refers to the direct conversion of temperature differences into electric voltage and vice versa. This phenomenon is known as the Seebeck effect and the Peltier effect, respectively. In simple terms, when a temperature gradient is applied across a thermoelectric material, it can generate electricity, and when an electric current passes through it, it can create a temperature difference. These unique properties make thermoelectric materials highly valuable in various fields, including waste heat recovery, power generation, and cooling systems.The efficiency of thermoelectric materials is often characterized by a dimensionless figure of merit, denoted as ZT. A higher ZT value indicates better performance, meaning that the material can convert heat to electricity more efficiently. Researchers are continuously exploring new materials to enhance the ZT value, focusing on compounds such as bismuth telluride, lead telluride, and skutterudites. Innovations in nanostructuring and doping techniques have also shown promise in improving the thermoelectric performance of these materials.One of the most promising applications of thermoelectric technology is in the realm of waste heat recovery. Industries produce a substantial amount of heat that is often discarded into the environment. By employing thermoelectric generators, this waste heat can be converted into usable electrical energy, thus improving overall energy efficiency and reducing carbon emissions. For instance, automotive manufacturers are increasingly integrating thermoelectric devices into vehicles to capture exhaust heat and convert it into electricity, which can power auxiliary systems or recharge batteries.Another exciting application of thermoelectric materials is in portable cooling systems. Traditional refrigeration methods often rely on harmful refrigerants and consume significant amounts of energy. In contrast, thermoelectric coolers operate silently and have no moving parts, making them an environmentally friendly alternative. They are particularly useful in situations where conventional cooling methods are impractical, such as in remote locations or for small-scale applications like personal coolers.Despite the advantages, there are challenges associated with thermoelectric materials. The cost of high-performance thermoelectric materials can be prohibitive, limiting their widespread adoption. Additionally, optimizing the balance between electrical conductivity, thermal conductivity, and Seebeck coefficient remains a complex task for researchers. Nevertheless, ongoing advancements in material science and engineering are paving the way for more affordable and efficient thermoelectric solutions.In conclusion, the field of thermoelectric materials holds great promise for the future of energy conversion and cooling technologies. As we continue to seek sustainable solutions to our energy challenges, thermoelectric materials could play a crucial role in enhancing energy efficiency and reducing environmental impact. With further research and development, we may soon see these materials becoming commonplace in our everyday lives, contributing to a greener and more sustainable future.

热电材料近年来因其在能量转换和制冷方面的潜在应用而受到广泛关注。术语thermoelectric指的是温度差直接转化为电压以及反之的过程。这种现象被称为塞贝克效应和佩尔帖效应。简单来说，当温度梯度施加在thermoelectric材料上时，它可以产生电力；而当电流通过它时，它可以产生温度差。这些独特的属性使得thermoelectric材料在废热回收、发电和制冷系统等多个领域具有很高的价值。thermoelectric材料的效率通常用一个无量纲的优值来表征，记作ZT。ZT值越高，表明性能越好，也就是说该材料能够更有效地将热量转化为电能。研究人员不断探索新材料以提高ZT值，重点关注如碲化铋、碲化铅和斯库特鲁代等化合物。纳米结构和掺杂技术的创新也在提升这些材料的热电性能方面显示出希望。thermoelectric技术最有前途的应用之一是在废热回收领域。工业产生大量热量，通常被丢弃到环境中。通过采用thermoelectric发电机，这些废热可以转化为可用的电能，从而提高整体能源效率并减少碳排放。例如，汽车制造商越来越多地将thermoelectric设备集成到车辆中，以捕获废气热量并将其转化为电力，这可以为辅助系统供电或为电池充电。thermoelectric材料的另一个令人兴奋的应用是在便携式制冷系统中。传统的制冷方法通常依赖于有害的制冷剂，并消耗大量能量。相比之下，thermoelectric冷却器静音且没有活动部件，使其成为环保的替代方案。它们在常规制冷方法不切实际的情况下特别有用，例如在偏远地区或小规模应用（如个人冷却器）中。尽管有许多优势，thermoelectric材料仍面临挑战。高性能thermoelectric材料的成本可能是禁止性的，限制了其广泛采用。此外，优化电导率、热导率和塞贝克系数之间的平衡对研究人员来说仍然是一项复杂的任务。然而，材料科学和工程的持续进步正在为更实惠和高效的thermoelectric解决方案铺平道路。总之，thermoelectric材料领域对未来的能量转换和制冷技术具有巨大的潜力。随着我们继续寻求可持续的能源解决方案，thermoelectric材料可能在提高能源效率和减少环境影响方面发挥关键作用。通过进一步的研究和开发，我们可能很快会看到这些材料在我们的日常生活中变得普遍，为更绿色、更可持续的未来做出贡献。