SKU: 23385315121

PbTe pyroelectric material

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Description

PbTe pyroelectric materialProduct Name Name: PbTe pyroelectric material Product Overview Thermoelectric materials are functional materials that can convert thermal and electrical energy by utilizing their internal charge carriers and phonons. The effective operation of thermoelectric materials is mainly based on three physical effects, namely the Seebeck Effect (discovered in 1794, referring to the phenomenon of thermal to electrical conversion between two different

Product Name

Name:PbTe pyroelectric material

Product Overview

 

Thermoelectric materials are functional materials that can convert thermal and electrical energy by utilizing their internal charge carriers and phonons. The effective operation of thermoelectric materials is mainly based on three physical effects, namely the Seebeck Effect (discovered in 1794, referring to the phenomenon of thermal to electrical conversion between two different conductors), the Peltier Effect (discovered in 1834, the phenomenon of electrical to thermal conversion between two different conductors), and the Thomson Effect (discovered in 1851, the phenomenon of heat absorption and release in a single conductor).

The conversion efficiency of thermoelectric materials is determined by the dimensionless parameter - thermoelectric figure of merit ZT, and its calculation formula is:

ZT=σ S2T/k, where σ is the conductivity, S is the Seeback coefficient, which is the inherent electronic transport performance parameter of thermoelectric materials, T is the temperature, and k is the total thermal conductivity. A common method to improve the performance of thermoelectric materials is to introduce multi-scale second phases to regulate the microstructure of thermoelectric materials, thereby changing the band structure and crystal structure of the matrix to coordinate various parameters and optimize their thermoelectric transmission performance.

Traditional inorganic thermoelectric materials are currently a type of thermoelectric material with a wide range of applications and a long research time. Mainly including Mg based thermoelectric materials (Mg2X (X=Si, Sn)), Bi2Te3 based thermoelectric materials, SiGe based thermoelectric materials, PbX (X=S, Se, Te) based thermoelectric materials, SnX (X=S, Se) based thermoelectric materials, GeTe based thermoelectric materials, and oxide based thermoelectric materials.

PbTe based thermoelectric materials are thermoelectric materials in the medium temperature range, exhibiting excellent thermoelectric properties in the temperature range of 300-900K. Its bandgap width is about 0.3 eV, belonging to wide bandgap semiconductors, with a typical NaCl type crystal structure, highly symmetrical crystal structure, and high conductivity. At the same time, its band structure is also relatively complex, and the strong non harmonic vibration caused by local eccentricity of Pb atoms makes PbTe have low thermal conductivity while having a high Seebeck coefficient.


Technical Parameter

 

Thickness: 50-300 nm

Appearance: Grey black powder

Main ingredient: Bi0.4Sb1.6Te3

Semiconductor type: P-type

 

Product Features

1. It has a high carrier mobility, which is beneficial for improving conductivity.

2. It exhibits good thermoelectric performance in the medium to high temperature range of 300-900K.

3. By incorporating elements such as Sb, the electrical and thermal properties are optimized and improved


Application Fields

 

1. Energy Conversion: A PbTe based thermoelectric material exhaust waste heat recovery device can convert some of the exhaust heat energy into electrical energy and store it for use in vehicle lighting or auxiliary equipment;

2. Temperature difference power generation: It can be made into flexible electronic wearable devices to intelligently detect the temperature difference between the human body and the environment; The power generation device based on PbTe based thermoelectric materials can use temperature difference to supply power to meteorological monitoring equipment.


Related Information

Please e-mail for the detailed characterization data.

E-mail:[email protected]

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SKU: 23385315121

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Lowknifedge
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Great wallet
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Great and very durable wallet. They are slim, fit well in a pocket, and are thin, unless you have lots of CC and money in it.
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Lori Dawkins
Draper, US
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Good quality and gift
Color: Derrick Brown, Size: One Size
Good quality and perfect gift
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Tera
Natrona Heights, US
★★★★★ 5
Slim and elegant, beautiful leather
Color: Derrick Brown, Size: One Size
I bought this wallet for my son for his 36th birthday. I love that it is a true Fossil wallet and all that goes with anything that is a Fossil product. Style, masculine elegance, beautiful soft grain leather, and the Fossil logo embedded on the front, right bottom of the billfold. It came in different colors but I chose the soft brown one. This is also very sleek, has plenty of compartments for ID, cash, credit and business cards, and it is RFID blocked. I didn't realize when I purchased this that it is to be worn in the front pocket of the pant. It is a fashion made for men who don't appreciate a wallet in the back. It can be very uncomfortable and someone can easily lift the wallet out of the back pocket...So Fossil is producing this item to wear in the front for easy access and protection. It is small but no less accommodating. I showed it to one of my other son's and he wished I'd get one for him, and he is very fashion-forward, but practical. So I'm very pleased with my purchase although I haven't heard from the birthday boy yet! Also it came in the usual Fossil tin box that all their products are housed in-original with a bit of funk, perfect for any aged man.
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Nathan Valentino
Houston, US
★★★★★ 5
Sturdy and slim yet spacious and comfortable
Color: Derrick Brown, Size: One Size
Very nice! Fit about 10 cards total as well as about 10 bills. Would like to see how it holds up as I just got it today but I like it enough to write a review! I really like this wallet. I’m a bit of a stickler when it comes to having things near my butt area, but this fits great in my back pocket. I know it’s a front pocket billfold, but hey, I live on the wild side. I can wait until corona passes and I can walk up to the bar and whip this bad boy out to start a tab. It smells like a cowboy but presents like a stock broker. If you didn’t know me, and I pulled out this wallet, you would be very mystified. “Is this man classy? I think he might be! Look at fossil Derrick Front pocket Billfold” “wait, is that Derrick himself?” I’m not Derrick, but thinking about switching my name to Derrick because of how good this wallet is. The leather looks like it was cut from a Waygu bull with horns too big for a Cadillac. I’ll tell you what, this SOB is purtttttty. Would recommend to friends, family, and acquaintances. I would never pull this out in front of my enemy, in fear he might get the same wallet as me. The fossil message said this wallet is one of a kind, so the odds of someone else getting the same one is impossible. So, if I am the only one who has this wallet, how will anyone in the world find this review helpful? I guess you’ll just have to take a chance at getting a similar wallet to mine.
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J. Taylor
Pawtucket, US
★★★★★ 5
Nice simple wallet
Color: Derrick Brown, Size: One Size
I purchased this for my husband. It’s one inch shorter than his previous wallet, which had us worried at first. However, it fits all his cards. It has a nice look to it and time of good quality. My husband says he’s happy with it and really likes it.
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