Depends what you mean. If you want to use it for power generation then you can but it is probably a bad idea: it gives resistance to the heat flow. However, th

Depends what you mean. If you want to use it for power generation then you can but it is probably a bad idea: it gives resistance to the heat flow. However, the thermoelectric effect is used by overclockers but on reverse : they consume energy to move heat from the CPU to a radiator. It is called a Peltier cell.