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How to Use Potato Electricity in 4 Steps
You might be surprised but potatoes can make a clock work. No, it doesn’t mean they can fix them (not that I know of) but rather power them. When you think about it if they can provide energy to the human body, they might do the same for anything that requires electricity.
Generating potato electricity from something like potato may sound bizarre, but it's possible. Well, there are many people who are producing green electricity from potatoes for running small items like a clock or a small light bulb.
We all know that the scientists are trying hard to find alternate energy resources that can replace the thermal and the nuclear energies to generate electricity. This is to both save the earth from the negative impact of pollution as well as bring down the costs that one has to bear for the use of electricity.
People are trying new methods from using the wind to the solar power and some of these are even showing great results. There is a real issue on our hands and we need to keep trying in order to find something that can replace the conventional energy resources. The potato electricity voltage we know is not better than that a normal torch cell, but the principle involved can be of great use for the development of more efficient batteries in the future.
Let's look at the science behind this innovative energy resource:
Actually, is not hard at all to determine how to make electricity with a potato. Potatoes are made up of the following elements:
Since potatoes are mostly water and have lots of ions dissolved in them, they can be used as batteries quite easily. Ions are particles with an electric charge (positive or negative) associated to them. Technically speaking you could use almost any fruit the same way. The ions can now be used to generate electricity by using electrodes.
How to generate electricity from a potato at home:
We can try a classic potato electricity experiment to illustrate how it works
Essentially we want to turn the potato into a galvanic or voltaic cell. In this type of cell a chemical reaction takes place which results in electricity being produced.
Step 1- First, generating electricity from potatoes means that you would need:
Tip: The conducting
rods need to be of different metals. For instance, one rod can be zinc
and the other can be copper.
Step 2- Insert a zinc nail and the copper object into the potato battery (that’s how we call it for this experiment).
Make sure the zinc
and copper objects are
separated from each other. The farther they are from each other, the
higher the voltage that is going to be generated.
Step 3- At this point you connect one end of the first wire to the zinc nail and the other end to the negative terminal (-) of the light bulb or clock if you prefer. Then use the second wire to connect the copper rod (or penny) to the positive terminal (+) on the bulb or clock. At that moment the electronic device should turn on (as long as the potato has plenty of ions).
The electrons will
start moving from the zinc nail all the way through the wire into the
electronic device and from the device to the copper object. The
electricity will keep flowing until all reactants are spent. Pretty
much when all zinc atoms are oxidized to Zn ions and all copper ions
are reduced to copper atoms.
Step 4- You might want to use a voltmeter instead of a clock or light bulb in the beginning to make sure there is enough voltage (potential difference) being produced by the potato to turn on the device.
If that’s not
potatoes connected in series as the ones shown in the video below,
might be necessary to turn on the device.
Interesting video about the potato power:
Using potatoes to power a light bulb is a lot of fun and is a great way to teach children about the principles of electricity. You may not be able to use a potato to turn on your refrigerator (unless you have a house with the size of a potato) but is a great educational tool you can use to show how much you know about potatoes.
To save time read some tips for leaving them already set up.
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