Thermoelectric power generation device

A thermoelectric power generation device comprising:

• a heating unit having a heat medium passage in which a heat medium is configured to flow;
• a cooling unit having a cooling liquid passage in which a cooling liquid is configured to flow;
• a thermoelectric element having the heating unit on one side thereof and the cooling unit on another side thereof, the thermoelectric element configured to generate power by utilizing a temperature difference between a condensation temperature of the heat medium that undergoes latent heat transfer in the heat medium passage and a temperature of the cooling liquid;
• and
• a heat medium adjusting unit configured to adjust a pressure or a temperature of the heat medium passage such that the pressure or the temperature in the heat medium passage is greater than or equal to a lower limit value, the heat medium adjusting unit comprising:
• a heat medium storage tank configured to store the heat medium;
• and
• a heater configured to heat the heat medium stored in the heat medium storage tank.