Why can fruit charge cell phones?

Introduction Why can fruit charge cell phones? According to relevant experiments, fruits cannot charge mobile phones, and some reports demonstrate it only by converting part of the energy in fruits into electricity.

Why can fruit charge cell phones?

According to relevant experiments, fruits cannot charge mobile phones, and some reports demonstrate it only by converting part of the fruit's energy into electricity.

Since I've seen a lot of strange rumors... including using "Apple" to charge "iPhone"... When you hearing this, you should remember the fruit battery It was one of Qiu Zhenjun's few experimental experiences as a student. A fruit battery is a primary battery composed of two electrodes inserted into the fruit and the organic acid contained in the fruit. Teachers usually take students to do lemon experiments. Zinc, aluminum (negative electrode) and copper (positive electrode) are commonly used for poles.

It is not difficult to see that the fruit battery in the experiment is even falseseIt is obviously impossible to use two one yuan coins as positive and. negative poles, and the connection method is also incorrect. Additionally, the phone's power adapter plugs directly into the video fruit. You should know that the power adapter of general mobile phones has a wide voltage of 100V~240V. The fruity battery can provide a voltage of 1V, which is very good. The difference is a hundred times. Charging the phone was impossible.

But can't fruity batteries really charge cell phones? no way. Not just an iPhone, it's even an electric supercar, provided there are enough lemons to power it. In June 2018, a blogger from popular video site 404 took on such a challenge and used 1,232 carefully selected lemons to charge an Awesome electric supercar! However, there is no AA battery on the back of this pilelemons. But the blogger did not succeed. The current provided by 1232 lemons is too low to compare to an AA battery, let alone charge a supercar.

So, is there a reliable example that proves that a large number of fruit batteries can actually charge cell phones or other devices? At least current scientific experiments have confirmed this. If you know or hear it, you must have heard the rumor too!

Generally no.

Water electrolysis requires large current, and the output current of the mobile power supply is very small. Excessive current can easily burn out the power supply.

If you do experiments, you can connect a resistor in series (because water usually contains impurities, its resistivity is very low, if you do not connect the resistor in series, it is equivalent to short -circuit the positive and negative poles of thepower supply, easily turn off the power) and perform an electrolysis test (of course, it's a drop in the bucket)

If used in industry, the Electrolysis and electroplating have special high-power power supplies, and they can work under high current conditions. The so-called high current is low. There are tens of amps, and the larger ones have thousands of amps. It's not something that looks like a small toy. like a mobile power supply can do.

Neither is a 9V carbon cell, which has a lower output current capacity.

General power supplies for electroplating or electrolysis are very special. Their output voltage. The voltage is not necessarily very high, but the current is very large, so the power is very high, and it is a high-power power supply.

In the examples you gave, the power bank is a batteryie lithium polymer and the 9V battery is a disposable dry battery (non-rechargeable). These are not suitable for electrolysis. Of course, if you are willing to take the risk of damaging the battery, it's not a big problem to do a small electrolysis experiment (but such experiments are often destructive to the battery and are one-off). use. If no action is taken, the battery will not last long).

Taobao.com specializes in selling electrolysis experiment power supplies for students. The power supply can be used repeatedly, but the power is not very high. It is only intended for experiments and is far from being used industrially.

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