When using thermoelectric cooling chips (TECs) on the ground, people rarely worry about the heat dissipation issue - after being powered on, the cold end of the cooling chip cools down, and the hot end dissipates heat through convection with the air, along with fans or heat sinks, to ensure stable operation. However, once in space, the situation changes. In a vacuum environment, there is no air, and thus no convection. The heat at the hot end of the cooling chip cannot be discharged, and the cooling performance will sharply decline. So, how does the TEC cooling chip achieve effective cooling in a vacuum? Let's take a look. I. Spaceflight Scenario: TEC Heat Dissipation Challenge  The working principle of TEC is based on the Peltier effect. It does not generate coldness itself; instead, it cools by transporting heat - the cold end absorbs heat to lower ...

In critical medical scenarios such as organ transplantation, vaccine transportation, and biological reagent preservation, temperature control cannot have any deviation. Even a 1℃ temperature fluctuation could cause medical supplies to fail. In the past, people generally relied on ice crystal boxes for insulation - they were low in cost and easy to operate, but they could not precisely control the temperature, were prone to melting and leaking, and could contaminate the drugs. Now, a new type of temperature control device has emerged: TEC medical refrigerators. How did it break through the limitations of traditional ice crystal boxes? And how did it become the new favorite in medical cold chain? Let's take a look! I. Refrigeration Principle of TEC Medical Refrigerator  The full name of TEC is Thermoelectric Cooler, which is a solid-state cooling device. ...

Compared to ordinary electronic components, TEC products have features such as precise internal structure, thin ceramic substrates, and high requirements for automated assembly. Once bumps or contamination occur during transportation, it can either affect performance slightly or lead to the product being unable to be installed on the machine. Therefore, a professional packaging system is crucial. FerroTec, a pioneer in thermoelectric cooling technology, has been deeply involved in this field for 34 years and can provide the following four packaging forms to easily meet different scenarios and requirements. Option One: EPS Foam Box ✅ Suitable for standard models, large-scale orders, and long-distance transportation scenarios.Core advantages:1. Strong resistance to pressure and impact: The hard structure can withstand stacking pressure and external impacts, en...

With the widespread adoption of PCIe 5.0 solid-state drives (SSDs), sequential read and write speeds have generally exceeded 10GB/s. However, the power consumption and heat generation of the main control chip have also significantly increased. In scenarios of high capacity and continuous heavy write loads, if the temperature of the high-end SSD main controller is too high, it will trigger overheating and slow down, resulting in a significant decline in performance. Traditional passive cooling solutions - such as aluminum heat sinks or miniature fans - have struggled to cope with such high heat flux densities. To solve this problem, thermoelectric cooling (TEC) technology has begun to enter the SSD cooling field, providing an active and precise temperature control new idea for high-performance storage. I. Application of TEC Technology in Solid-State Dri...

Nowadays, more and more consumers have realized that high temperatures can accelerate the loss of active ingredients in skincare products, resulting in a significant reduction in their efficacy. Therefore, a low-temperature storage solution specifically designed for high-end skincare products has emerged - the TEC beauty refrigerator is becoming the new standard for high-end personal care scenarios. Unlike traditional compressor-type appliances, it achieves precise temperature control through thermoelectric cooling plates (TEC), effectively safeguarding the activity and stability of skincare products.I. Application of TEC in Beauty Refrigerators  Many high-end skin care products contain active ingredients such as vitamin C, peptides, and hyaluronic acid. These ingredients are very sensitive to temperature: excessively high temperatures will accelerate the oxidatio...

With the advancement of modern technology, when consumers choose hair dryers, they no longer merely focus on "whether it can quickly dry hair", but pay more attention to the hair care effect. Some high-end hair dryers adopt the "water negative ion" technology, which can reduce problems such as dry and frizzy hair while drying the hair, and improve the smoothness of the hair quality. This advanced function is inseparable from the key component - the thermoelectric cooler (Thermoelectric Cooler). Next, this article will explain in detail from a technical perspective the actual role and value of the thermoelectric cooler in the water negative ion hair dryer.1. TEC: Low Temperature Locking Moisture + Precise Temperature Control  Traditional hair dryers generate "dry negative ions" by ionizing air, mainly to neutralize static electricity and reduce "frizz". However, the...

The principle of laser marking is: using a precise beam to carve fine text and patterns on the surface of metals, plastics or glass. The laser beam is extremely sensitive to temperature - even a tiny fluctuation can lead to a significant reduction in the marking effect: the lines become thicker, the depth is uneven, and in severe cases, it can even cause the product to be scrapped. To solve this problem, some high-end laser marking equipment integrates a thermoelectric cooling sheet in the laser source to ensure that the laser source operates stably within the optimal working temperature range, achieving clear, consistent and reliable marking effects.I.Why is the laser marking machine particularly sensitive to temperature changes?  During the operation of the laser marking machine, some electrical energy is released in the form of heat. If this heat cannot be dissipated in ti...

Welcome to the TEC Science Popularization Classroom! This week, let's talk about the core material of the thermoelectric cooling chip (TEC) - bismuth telluride (Bi₂Te₃). Why are most civilian/industrial-grade TECs unable to function without bismuth telluride? What are its indispensable advantages? After reading this article, you will understand. If you have any questions about the content of the article or want to learn more about TEC knowledge, please leave a message in the comment section. I. What is bismuth telluride?Bismuth telluride (Bi₂Te₃) is an important thermoelectric material that combines excellent electrical conductivity, outstanding thermoelectric conversion efficiency, and unique topological insulator properties. The core indicator for measuring its performance is the "ZT value" - the higher the ZT value, the higher the energy conversion...

Starting from 2025, the railway 12306 platform officially launched the "pet transportation" service: After completing the online reservation, passengers can have one family-trained, healthy, weighing no more than 15 kilograms and with a shoulder height of no more than 40 centimeters, cat or dog pet transported along with the train. Although the existing pet transportation boxes are generally equipped with air circulation systems and have functions for monitoring temperature, humidity, and oxygen content, most lack the ability to actively regulate temperature. Once the air conditioning fails during transportation or there is a hot weather, the temperature inside the box may rise rapidly, causing the pet to suffer from heatstroke and even endangering its life. Therefore, precise, stable, and reliable active temperature control has become a key demand for enhancing the safety of pet tr...

Welcome to the TEC Science Popularization Classroom! The thermoelectric particles in the thermoelectric cooling chip are simply called DICE. It is not only a key component of TEC but also determines its core performance. This article will focus on the role and design points of the thermoelectric particles (DICE). If you have any questions about the content of the article or want to learn more about TEC, please leave a message in the comment section~ I. The Role of Thermoelectric Particles in TECThe main material of thermoelectric particles is Bi₂Te₃ (tearod铋). Depending on the doping method, they can be classified into two types: P-type and N-type. P-type and N-type thermoelectric particles must be used in pairs to form a basic thermoelectric unit - usually called a thermocouple. The smallest working unit of TEC is precisely composed o...