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Thermoelectric materials

P-N type

Materials  

Definitions

α - Seebeck coefficient, unit of measure  V/K * 10-6;
σ - Electric conductivity, unit of measure (Ohm*cm)-1;
æ - Heat conductivity, unit of measure W/m*K;
Thermoelectric figure of merit, Z= α2*σ/æ
We are suggesting following thermoelectric materials for our customers.
Standart specifications are related to ingots with diameter 25mm and lengths 60mm.

 

1. Standard cooling materials for T=300K

 

N-type Bi2(TеSe)3

P(1)-type (BiSb)2(TeSe)3

High performance P(2)-type (BiSb)2(TeSe)3

Seebeck coefficient, V/K * 10-6

205÷220

200÷209

206÷222

Electric conductivity, (Ohm*cm)-1

1070÷870

1150÷1000

1150÷1000

Heat conductivity, W/m*K;

1,5÷1,4

1,5÷1,4

1,45÷1,35

Extremum of thermoelectric figure of merit (Z= α2*σ/æ) at, K

300÷290

300÷295

300÷290

N + P(1)  ΔT= 72°C (in pair).
N + P(2)  ΔT≥ 74°C (in pair).

 

2. Low temperature cooling materials

 

N-type Bi2(TеSe)3 for T=300K

N-type Bi2(TеSe)3 for T=250K

P-type (BiSb)2(TeSe)3. For T=300K

P-type (BiSb)2(TeSe)3. For T=240K

Seebeck coefficient, V/K * 10-6

250÷270

230÷250

245÷265

215÷235

Electric conductivity, (Ohm*cm)-1

550÷400

750÷600

550÷400

770÷600

Heat conductivity, unit of measure W/m*K;

1,2

1,4

1,1

1,2

Extremum of thermoelectric figure of merit (Z= α2*σ/æ) at, K

260÷250

260÷250

240÷250

240÷250

 

3. Low temperature generating materials with Thot=200ºC

 

N-type Bi2(TеSe)3

for T=300K

P-type (BiSb)2(TeSe)3 for T=300K

N-type Bi2(TеSe)3

for T=300K

P-type (BiSb)2(TeSe)3

for T=300K

Seebeck coefficient, V/K * 10-6

160÷170

150÷160

142÷152

147÷157

Electric conductivity, (Ohm*cm)-1

1700÷1500

2000÷1800

2200÷2000

2300÷2100

Heat conductivity, W/m*K;

Average for P&N 2,0

Average for P&N 2,2

Extremum of thermoelectric figure of merit (Z= α2*σ/æ) at, K

340÷330

340÷330

340÷330

340÷330

 

Basic specification

N-type Bi2(TеSe)3 For T=300K:
α300=160÷170;
σ300=1700÷1500;
P-type (BiSb)2(TeSe)3:
α300=150÷160;
σ300=2000÷1800;
P and N-type materials average heat conductivity is æpn ~2,0
Maximum Z is at 340÷330K, and maximum ZT is at ~400÷390K.
For T=390K:
σn390~1220÷1080;
σp390~1250÷1120.

RECOMMENDATIONS While you are choosing thermoelectric device, we kindly ask you to read carefully the product manual and recommendations for its usage. This is a necessary requirement for long-term and effective use of our products.

Ordering products from stock

ATTENTION All foreign orders are required custom clearance which is leading to additional costs. The exact size of these costs can be known only after delivery of the products. For more information please contact your regional branch of UPS.

HOW TO ORDER You can order available products from the site. Choose required product by adding it to the cart, fill the form with your personal data and submit it. Soon we will send to your e-mail an invoice for payment.

PAYMENT 100% prepayment is a necessary requirement for shipping our products. You should make payment in accordance with the conditions in the invoice. Requiring products will be reserved for 5 days while we will wait for your payment.

TERMS Your order will be ready for shipping within no more than 10 working days after we will receive your payment to our account. Estimated delivery time UPS shipping terminal in your region - 4-6 days.

SHIPPING Shipping cost is determined at the stage of registration of the order in the basket Shipping cost is calculated according to the UPS tariffs for region delivery. All taxes and fees are included in the delivery price, except in the estimated costs of customs clearance upon receipt in your area.

WARRANTY The warranty period is 12 months from the start of the operation, but not more than 18 months from date of shipment. The average life of the thermoelectric modules is at least 10 years, subject to the conditions of installation and operation. Guarantees do not apply to products that fail due to violations of the conditions of storage, transport, unpacking, assembly and operation.

Order product that is out of stock

ATTENTION All foreign orders are required custom clearance which is leading to additional costs. The exact size of these costs can be known only after delivery of the products. For more information please contact your regional branch of UPS.

HOW TO ORDER You can order any product that is represented on the site by filling in the feedback form, sending us an e-mail or via telephone +78123398997.

PAYMENT 100% prepayment is a necessary requirement for shipping our products. You should make payment in accordance with the conditions in the invoice. For regular customers the delivery with deferred payment is possible.

TERMS The delivery terms will be from 6 to 12 weeks depending on the quantity (minimum order of 100 pieces) and additional options of required product. If required products are currently in stock, your order will be ready for shipping within no more than 10 working days after we will receive your payment to our account.

SHIPPING Shipping cost is determined at the stage of registration of the order in the basket Shipping cost is calculated according to the UPS tariffs for region delivery. All taxes and fees are included in the delivery price, except in the estimated costs of customs clearance upon receipt in your area.

WARRANTY The warranty period is 12 months from the start of the operation, but not more than 18 months from date of shipment. The average life of the thermoelectric modules is at least 10 years, subject to the conditions of installation and operation. Guarantees do not apply to products that fail due to violations of the conditions of storage, transport, unpacking, assembly and operation.