Lovers of electronics and the manufacture of different generators are invited to not leave this page for the next few minutes, since this material is devoted to the manufacture of a thermoelectric generator. Such a generator is capable of generating enough energy to rotate a small motor, using cold and hot water for this.
First of all, we suggest that you familiarize yourself with the video on the manufacture of a thermoelectric generator
Now let's find out what we need:
- the Peltier element;
- two aluminum or tin cans;
- clip;
- a motor with a propeller;
- cold and hot water.
The secret of a simple generator is the Peltier element, which has a unique property: if it is heated on one side and cooled on the other, it begins to generate electricity. It is this effect that is known as thermoelectric. The main question is where exactly can you get the Peltier element. The easiest way is to purchase it in online stores in the Middle Kingdom, paying about 30 rubles for one item.
We proceed to the manufacture of the generator. The first step is to place the Peltier element between the two cans.
Next, with the help of a clip, it is necessary to connect the banks together, thus fixing the element.
After that, we connect the motor to the element, while maintaining the polarity of the wires.
Pour cold water into one tank and hot in a second.
Already in the process of filling the second container, the motor will begin to work by rotating the propeller. The uniqueness of the design is that the greater the difference in water temperatures in the two tanks, the more energy will be generated. For example, if you add a little ice to the first container with cold water, the motor will begin to spin faster. In this case, approximately 1 volt of energy will be generated. The motor can rotate for more than 40 minutes.
Our thermoelectric generator is ready. They can not only surprise friends and acquaintances, but also show at a physics lesson at school that will be quite informative for students.