Thermoelectric Power Generation

We are developing actively materials, element and modules for power generation applications. These products will also have high efficiency and reliability by our special production technologies and outstanding Ni-based coatings.

Crystal Ltd. is proud to offer the following thermoelectric modules for power generation:

Thermoelectric power generation module

Thermoelectric power generation module G-127-14-16-L-S

Parameter Value
Resistance (RAC) at T = 25°C, Ohm 1.40 ± 10%
Internal resistance at Thot = 150°C and Tcold = 50°C (ΔT = 100°C), Ohm 2.0 ± 10%
Power at load resistance (Rload) = 2.0 Ohm, Thot = 150°C and Tcold = 50°C (ΔT = 100°C) not less, Watts 2.42
Voltage at load resistance (Rload) = 2.0 Ohm, Thot = 150°C and Tcold = 50°C (ΔT = 100°C) not less, Volts 2.20
Operation temperature range, °C -40 ~ +150
Maximum temperature (short time), °C 170
Module dimensions (without wires), mm 40x40 ± 0.3
Module thickness, mm 3.90 ± 0.02
Nonparallelism, mm 0.02
Nonflatness, mm 0.02
Ceramics type Al2O3 not less 96%
Lead wire length, trimmed end length, mm* 100 ± 5 // 10 ± 3
Lead wire type: UL1332, AWG#20
Module sealing Silicone
PRODUCT IS COMPLIANT TO ROHS REQUIREMENTS

* Trimmed ends are covered with Sn-Sb solder.


Temperature dependences of thermoelectric parameters

POWER GENERATION MATERIALS

The typical electric conductivity and ZT temperature dependence of material for power generation are shown at fig. 1-2.

Fig. 1. ZT dependence for TE material (n+p) for temperature range 0 - 250°C.

Fig. 2. Electric conductivity for generation material (n+p) for temperature range 0 - 250°C.

MATERIALS FOR COOLING

The typical electric conductivity temperature dependence and figure of merit for cooling material is shown at fig. 3-6.

Fig. 3. Typical electric conductivity temperature dependence of N-type material.

Fig. 4. Typical electric conductivity temperature dependence of P-type material.

Fig. 5. Typical Figure of Merit temperature dependence of N-type material.

Fig. 6. Typical Figure of Merit temperature dependence of P-type material.