What is Thermoelectric Effect? SeaBeck Effect Explained with 3D Animation

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00:00It's amazing. This fan can rotate even without being plugged in.

00:04Does this violate the law of conservation of energy?

00:07In fact, it utilizes the Seebeck effect.

00:10This is a thermoelectric element.

00:12It is composed of two different semiconductors.

00:15By connecting them alternately, a thermocouple is formed.

00:19If a current is applied to the component,

00:21one of the junctions will release heat, causing the temperature to rise,

00:25and the other junction will absorb heat, causing the temperature to drop.

00:29This phenomenon is the Seebeck effect.

00:32If we reverse the direction of the current, the heat exchange will also reverse.

00:37One side will become cold while the other heats up.

00:40Now, if we connect a voltmeter to it and use a lighter to heat the bottom of the component,

00:45a temperature difference is created.

00:48This temperature difference generates a potential difference.

00:51The potential difference drives electrons to move in the circuit,

00:54thereby generating an electric current,

00:57which ultimately drives the fan to rotate.

01:00The firewood under the fireplace can be likened to a lighter.

01:04It provides a temperature difference for the thermoelectric element,

01:07thereby generating electricity to drive the fan.

01:10Thus, this does not violate the law of conservation of energy.

01:14The thermoelectric effect demonstrates that heat can be converted into electricity.

01:18Of course, you can also use it to charge your phone.

01:21Like, comment, share, and follow for more informative 3D videos.

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