Thermoelectric Generator

Yamaha thermoelectric generators feature unique high-performance thermoelectric materials developed by Yamaha and structures optimized to provide highly efficient thermoelectric generation. Yamaha produces high-performance thermoelectric generators optimized to meet customer needs.

Examples of Practical Applications for Yamaha Thermoelectric Generator

  • Power sources for sensor network sensors/transmission
  • Power generation from factory exhaust heat and vehicle exhaust gas

Features of Yamaha Thermoelectric Generator

High-Efficiency Power Generation

Unique high-performance thermoelectric power conversion materials developed by Yamaha, with thermoelectric properties optimized for thermoelectric generation, allow high-efficiency power generation utilizing the Seebeck effect.

High Voltage Output

High-precision and high-density mounting technology is used to increase the number of thermoelectric elements and achieve high-voltage output.

Compact Size

Miniaturization allows the Seebeck effect to be used in thermoelectric generators to generate electricity in an extremely small area.

Yamaha compact thermoelectric generators

Combination with Wireless Transmitting Circuits (Thermoelectric Energy Harvesting System)

Combining booster circuits and wireless transmitting circuits under development with thermoelectric generators allows wireless transmission of sensor information without the use of batteries

Exhaust heat energy harvesting
Wireless sensor-node

Sample Specifications for Yamaha Thermoelectric Generator

Specifications for Yamaha thermoelectric generators (products in development) are as follows. Compatibility with custom designs is also planned. Please feel free to contact us.

Model Dimensions
(mm)
Output
terminal
open
At maximum voltage output
Output
voltage
Output
power
Output
voltage
Output
current
Inflow
heat
Conversion
efficiency
W L1 L2 T V
(V)
=Voc
P
(W)
V
(V)
I
(A)
Qin
(W)
η
(%)
GKH1 8 12 12 1.7 1.0 0.35 0.52 0.68 8.8 4.0
GKH2 8 12 12 1.7 1.4 0.48 0.70 0.68 12 4.0
GKT3 6 14 14 1.7 1.3 0.41 0.63 0.65 10.0 4.1
GKB10 8 8 12 2.2 2.1 0.29 1.0 0.29 7.2 4.0
GKH10 14 14 18 2.2 5.3 0.93 2.7 0.34 23 4.0
  • The above values are valid when Th=125℃, Tc=25℃, and ΔT=100℃
  • The above specifications are representative values and are not guaranteed.
  • Specifications are subject to change without notice.