In this video tutorial, we will show you how to make a battery with your own hands. To make it, we need a small container with a lid, soda, water, and a charger.

Pour water into a jar of vitamin, pour 1.5 teaspoons of baking soda into it. Mix the solution well. Let's clean the welding electrode from the coating. Cut off two pieces of 7 cm from the electrode. Bend the ends of these blanks. We insert these blanks into the holes in the lid and twist it into the bottle.

We connect the charger to the ends of the battery. We charge the battery for 10 minutes and check the operation of the homemade battery. The estimated voltage at the output is 1.5-2.5 volts. This power supply will be enough for 3 hours charging for 20 minutes of LED glow. To avoid swelling your battery, do not make it sealed.

Another way to make a homemade battery

Homemade rechargeable battery from scrap materials with a minimum of tools. Imagine a situation when there are no necessary parts nearby, more precisely, there is a minimum, but you are in the field, when there is no variety. We will have to experimentally artificially limit ourselves to the choice of materials.

Let's take copper wire in the absence of copper in the plates. Remove the insulation with fire. We cut the scrap of galvanized iron into identical plates. Insulated wires for connecting the circuit. You can immediately take a conductive wire without insulation. It is also necessary to find a plastic bottle, any dielectric will do. Conductive liquid solution (hydrochloric or acidic, alkaline). Disposable cups.

To begin with, we twist the wire annealed on fire to increase the area into a cylinder. We cut the same plates from galvanized according to the template and roll them into cylinders (we bend the corner to clamp the contact wire in it).

From a plastic bottle, we cut the cushioning material, which will be located between the copper and galvanized. We collect the battery cells, fix one end of the wire on a thread, the other on zinc and two single ones. One with copper - positive and zinc - negative.

We collect the battery in a serial circuit. First, let's try to pour a solution saturated with salt. In the field, any saline solution, urine, and more will do. The voltage is 7.74 volts. Let's replace the saline solution with an acidic one; table vinegar was used in the experiment. In the field, sour wine, sorrel infusion, cranberry juice and others are suitable for ours. Voltage 8.05 volts.

Let's replace it with an alkaline solution, baking soda in nature, you can try to replace it with ash placed in water (lye), but you need to experiment to check. Voltage 9.65 volts.

So to summarize: on average, out of 10 elements, we get 8 volts, one glass is equal to 1.25 volts. To reduce the voltage for charging the phone (5.5 volts), remove two cups, the procedure takes 20 seconds. Or increase to 4.5 volts by adding 5 cups. This is how you can make a battery when there is no way to buy it with your own hands.

The first lead-acid battery was invented and tested by the French physicist Gaston Planté. He twisted two lead plates into a roll, having previously laid a dividing cloth between them. The roll was placed in a vessel and filled with salt water. As a result, if you apply voltage to the plates, then it was charged. And after that, if you connect a light bulb to it, or something else, then for some time he could give the stored energy to the burning of this light bulb. Also, after charging, the energy in such a battery could be stored without loss for a long time. This marked the beginning of an era lead acid batteries.

But the main drawback of such a roll-to-roll battery is its small capacity. Later it was found out that if such a battery is charged and discharged several times by changing the polarity (+ -), then the capacity increased. This is due to the fact that a layer of lead oxide was formed on the plates, and the plates became lighter and became like a sponge. The acid was now able to penetrate deeper into the plates, thus more lead was involved in the chemical process.

These charge-discharge cycles, changing plus to minus and vice versa, were called plate forming. It took a lot of energy and time to build up a thick layer of lead oxide. But later, one young man who worked as an assistant for Plante decided to do it differently. He decided to immediately apply lead oxide to the plates, thus he immediately got a more capacious battery. Subsequently, this technology was slightly improved. They began to make lead gratings, which were covered with lead axid in the form of a paste. A paste was made from lead oxide, to which a little water or electrolyte was added and stirred until a thick consistency.

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More than 100 years later, the technology of manufacturing batteries has not fundamentally changed. In factories, by the same method of casting, or stamping, lead gratings are made, and spread with a paste consisting of lead oxide, plus additional additives that prevent the paste from disintegrating and impart other desired properties. Also, the spacers between the plates are made of modern materials, which excludes the spread of the spread from the gratings and prevents the plates from closing together. Each plant, and for different types of batteries (traction, starter, etc.) has its own subtleties, but in general, the technology is the same.

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Now you can think about whether you can do lead acid battery at home, so that it is profitable and effective. Firstly, the matter is in lead, where to get it? In unusable batteries, but if you melt one auto-battery, then the output will be only about 1.5 kg of lead, and it will become clear that it is not profitable to extract lead in this way. To remelt all the lead contained in the battery, part of which is in the form of oxide, sulfate and other elements that are contained in the spreading of the gratings, then a smelting furnace and additional chemistry and conditions are needed, therefore at home on a fire you will get a tin can of lead and a whole bunch of slag ...

Then you can buy lead, there is sheet, and in pigs, it is not expensive. If made from sheet lead, then you can roughly estimate the cost of one battery. If you delve into the literature, you can find out that from one square meter of the area of ​​the plates, you can get a capacity of about 5-10Ah. Then, for one can with a capacity of 50-100Ah, 10 square meters of lead is needed. Since 6 cans are needed for 12 volts, about 60 square meters of lead is needed accordingly. The thinnest sheets on sale are 0.5 mm, the weight of one square meter of such a sheet of lead is 5.7 kg. Since the sheet area works on both sides, it means that we need not 60 sq. M, but 30 sq. M. On the battery. Then it turns out that 30 * 5.7 = 171kg of lead is needed for a battery with a capacity of 50-100Ah, the cost for 1kg is about 150 rubles, and the price for lead alone will be about 25,000 rubles, which is 5-6 times more expensive than a factory battery with a capacity of 100Ah.

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It is possible to increase the capacity of the plates by molding, by charging and discharging, interchanging plus and minus, but it is not known how many cycles must be done to significantly increase the capacity. Plante electrically molded the plates for three months. During this time, a lot of energy will be spent on molding, and as a result, the battery will only rise in price. From all this, it is clear that it is not economically viable to make a battery from sheet lead.

Yes, by the way, at the expense of the battery longevity with sheet lead plates. Such a battery will last much longer, since the plates are solid and from deep discharges, high discharge currents, there will be no smear, which simply does not exist, but the sulfation of the plates will be exactly the same as that of a conventional battery, therefore, in fact, this is longer than usual. the battery will not last. True, it can be disassembled and cleaned from white plaque (sulfate) and it can continue to work.

The problem is that sheet lead does not have an oxide layer, or rather there is, because of it, the lead becomes dark gray, but this layer is too thin. Oxide is lead oxidized with oxygen; it is obtained in different ways in production. But at home, this dust is difficult to obtain. You can, of course, try to moisten the plates with water so that they oxidize in the fresh air, but what oxide layer can be built up in this way and how long it will take is not known, so you can forget about a roll-type battery made of sheet lead.

A good battery will turn out if you use lead foil instead of plates. So you can increase the area several times with the same weight, but you cannot make foil at home, and there is no pure lead foil on sale, and it would cost several times more expensive than sheet lead of the same weight. Therefore, a good option with foil is eliminated. Or put a rolling machine at home and make foil yourself.

You can try to make plates as they do at the factory, it is not difficult to cast gratings. They are thick and the mold is easy to make. But the problem is in the spreading, because it consists of lead oxide, but how to make it at home. For example, to erase the lead into dust or small shavings with something, then pour it with water or electrolyte and stir it constantly in some container to oxidize with oxygen, but this is difficult and pointless to do at home, since a ready-made battery will come out much cheaper.

That’s probably all I wanted to say in a nutshell. For myself, I concluded that diy lead battery possible, but time consuming and not profitable, therefore, in this case, you can safely put a big and bold point. Also, reading a lot of information about other types of batteries, I came to the conclusion that nothing normal at home and with the use of affordable and cheap materials will not work. If you have questions or any conclusions, then leave comments.

Of course, now there are no problems with buying batteries and accumulators, but, apparently, it will be interesting for you to meet

with gas accumulator design. Consider the design of the simplest battery. Design

battery is so simple that anyone can repeat it. (which is important, and has already been discussed in the comments ..)

1.capacity 5.15% sodium chloride solution

2.cap 6.activated carbon bag

3.Carbon rod 7.Terminal (clamp)

4.activated carbon 8.cork

The battery design is clear from the figure. Opaque container 1 with lid 2 is filled with electrolyte - 15%

a solution of sodium chloride. Two identical electrodes are lowered into the container. The electrode consists of a carbon rod,

around which is a bag 6 with activated carbon 4. The bags must be tightly wrapped

threads to ensure good contact of the electrode with the activated carbon. Activated carbon layer thickness

should not exceed 15mm.

Battery. A simple homemade battery.

If you add 1 g of boric acid and 2 g of sugar to the solution for each liter, then the battery performance will improve.

Sugar is added during long discharge cycles. Charge the battery with a constant current at the rate of 4.5 volts

for each element (jar). Charge time up to 12 hours. Full charge signal - copious gas evolution. For

so that gases do not "squeeze" the electrolyte out of the container, a plug is provided, which is needed when charging

open. To get a capacity of 1A * h, you need to use 65 g of activated carbon. Change of electrolyte once a

1. If the walls of the vessel will transmit light, then the battery will be quickly discharged. The container outside can be

2. It is better to use distilled water or to melt snow, since the tap water is highly mineralized, and

3. 15% sodium chloride solution is obtained by diluting 5 tablespoons of salt in one liter of water.

well, here's another:
Homemade battery
If you don't have a set of fresh batteries on hand, you can make a homemade power source. To do this, you need two charcoal rods from an old battery, two woven bags with a diameter of 20. 25 mm and a height of 60 mm. Rods are installed in them and filled with activated carbon (crushed medical tablets).

The following solution is used as an electrolyte: dissolve 5 tablespoons of table salt, 2 g of boric acid and 3 g of sugar in 1 liter of water.

The walls of the glass jar should be painted with black paint.
The power supply will supply 1.5V.

How to make a battery with your own hands
Of course, now there are no problems with buying batteries and accumulators, but, apparently, it will be interesting for you to get acquainted with the design of a gas accumulator. Consider

200A battery packs

Next, we solder 80 pieces in each block in parallel with 4 cans, we use cassettes for a set of battery cans, you can buy on aliexpress. We also need a copper bus with a thickness of 1-2mm. thin copper wire. Next, we solder the leads from every 4 pcs. 18650 for a controller that will monitor the charge of the cells.

We connect 3 such assemblies in series and get a powerful battery.

Quality Li-ion 18650 charging systems

IMAX B6 MINI PROFESSIONAL BALANCE CHARGER / DISCHARGER

Opus BT-C3100 (version 2.2) Intelligent Li-ion / NiCd / NiMH battery charger

How does BMS board work?

- increased service life,

- keeping the battery in working condition.

Functions BMS (Battery Management System)

1. Monitoring the condition of the battery cells in terms of:

- voltage: total voltage, individual cell voltage, minimum and maximum cell voltage,

- charge and depth of discharge,

- charge / discharge currents,

Incorrect charging is one of the most common causes of li-ion battery failure, therefore charge control is one of the main functions of the BMS microcontroller.

Based on the above points, BMS evaluates:

- the maximum permissible charge current,

- the maximum allowable discharge current,

- the amount of current during discharge,

- internal resistance of the cell,

- the total operating time of the storage battery during operation.

The BMS protects the battery by preventing it from going beyond safe operation. BMS guarantees safe connection / disconnection of the load, flexible control of the load, protects the battery from:

- overcurrent,

- overvoltage (during charging),

- voltage drop below the permissible level (during discharge),

1. Balancing. Balancing is a method of evenly distributing charge among all battery cells to maximize battery life.

- providing a modular charging process,

- by adjusting the output currents of the battery cells connected to the consumer.

How to make a powerful battery with your own hands
Making a powerful power bank for 12 volt 200A / h We need 240 pcs 18650 A lot of tin and a lot of patience

A battery or galvanic cell is a chemical source of electrical current. All batteries sold in stores are essentially the same design. They use two electrodes of different composition. The main element for the negative terminal (anode) of salt and alkaline batteries is zinc, and for their positive (cathode) - manganese. The cathode of lithium batteries is made from lithium, and a variety of materials are used for the anode.

An electrolyte is located between the electrodes of the batteries. Its composition is different: for salt batteries with the lowest resource, ammonium chloride is used. Potassium hydroxide is used to make alkaline batteries, and an organic electrolyte is used in lithium batteries.

When the electrolyte interacts with the anode, an excess of electrons is formed near it, which creates a potential difference between the electrodes. When the electrical circuit is closed, the number of electrons is constantly replenished due to a chemical reaction, and the battery maintains the current flow through the load. In this case, the anode material gradually corrodes and breaks down. When it is fully depleted, the battery life is exhausted.

Despite the fact that the composition of the batteries is balanced by the manufacturers to ensure their long and stable operation, you can make the battery yourself. Let's consider several ways how you can make a battery with your own hands.

Method one: lemon battery

This homemade battery will use the citric acid electrolyte found in lemon pulp. For electrodes, take copper and iron wires, nails or pins. A copper electrode will be positive and an iron electrode negative.

The lemon should be cut in half across. For greater stability, the halves are placed in small containers (glasses or glasses). It is necessary to connect the wires to the electrodes and immerse them in the lemon at a distance of 0.5 - 1 cm.

Now you need to take a multimeter and measure the voltage across the resulting galvanic cell. If it is not enough, then you will also need to make several identical lemon batteries with your own hands and connect them in series using the same wires.

Method two: a can of electrolyte

To assemble a device with your own hands, similar in design to the first battery in the world, you will need a glass jar or glass. For the material of the electrodes, we use zinc or aluminum (anode) and copper (cathode). To increase the efficiency of the element, their area should be as large as possible. It will be better to solder the wires, but the wire will have to be riveted or bolted to the aluminum electrode, since it is difficult to solder.

The electrodes are immersed inside the can so that they do not come into contact with each other, and their ends are above the level of the can. It is better to secure them by installing a spacer or slotted cover.
For the electrolyte, we use an aqueous solution of ammonia (50 g per 100 ml of water). An aqueous solution of ammonia (ammonia) is not the ammonia used for our experience. Ammonium chloride (ammonium chloride) is an odorless white powder used in soldering as a flux or fertilizer.

The second option for preparing the electrolyte is to make a 20% sulfuric acid solution. In this case, you need to pour acid into the water, and in no case vice versa. Otherwise, the water will instantly boil and splash, along with the acid, will fall on clothes, face and eyes.

When working with concentrated acids, it is recommended to wear protective goggles and chemical resistant gloves. Before making a battery using sulfuric acid, it is worthwhile to study in more detail the safety rules when working with aggressive substances.

It remains to pour the resulting solution into the jar so that at least 2 mm of free space remains to the edges of the vessel. Then, using a tester, select the required number of cans.

A self-assembled battery is similar in composition to a salt battery, as it contains ammonium chloride and zinc.

Method three: copper coins

The ingredients for making such a battery with your own hands are:

• copper coins,
• aluminium foil,
• thick cardboard
• table vinegar
• wires.

It is easy to guess that the electrodes will be copper and aluminum, and an aqueous solution of acetic acid is used as an electrolyte.

Coins first need to be cleaned of oxides. To do this, they will need to be briefly dipped in vinegar. Then we make circles from cardboard and foil to the size of coins, using one of them as a template. We cut out the circles with scissors, put the cardboard ones for a while in vinegar: they should be saturated with electrolyte.

During the operation of this self-assembled battery, the coins will become completely unusable, so you should not use numismatic material of cultural and material value.

Method four: a battery in a beer can

The anode of the battery is the aluminum body of the beer can. The cathode is a graphite rod.

• a piece of polystyrene more than 1 cm thick,
• coal chips or dust (you can use what is left from the fire),
• water and common table salt,
• wax or paraffin (candles can be used).

You need to cut off the top of the can. Then make a circle of polystyrene to the size of the bottom of the can and insert it inside, having previously made a hole in the middle for a graphite rod. The rod itself is inserted into the jar strictly in the center, the cavity between it and the walls is filled with coal chips. Then an aqueous solution of salt is prepared (for 500 ml of water 3 tablespoons) and poured into a jar. To prevent the solution from spilling out, the edges of the jar are filled with wax or paraffin.

You can use clothespins to connect the wires to the graphite rods.

Method five: potatoes, salt and toothpaste

This battery is disposable. It is useful for starting a fire by short-circuiting the wires to produce a spark.

To create a potato lighter you will need:

• large potato,
• two copper wires insulated,
• toothpicks or

Homemade battery from improvised means
How to make a homemade battery from available materials. A brief description of how the battery works. How to make a battery from lemon, copper coins, potatoes, aluminum cans.

How easy it is to make a battery

Hello again everyone mozochinov! Today I will tell you how to make a battery yourself and from scrap materials!

AA batteries are widespread cylindrical batteries with a rating of about 1.5V, approximately 49-50mm in length and 13.5-14.5mm in diameter. It is easy to make them yourself, and the very manufacture of this brain self-made can serve as an excellent visual aid for explaining physical and chemical processes to children.

Step 1: materials and tools

• corrugated board
• copper flat washers with a diameter of 10mm - 12 pcs.
• zinc flat washers with a diameter of 10mm - 14-16 pcs.
• heat-shrink tubing
• distilled water - 120ml
• vinegar - 30ml
• table salt - 4 tablespoons.
• soldering iron and solder
• mixing bowl
• digital multimeter
• scissors
• sandpaper
• needle nose pliers
• lighter or hot air gun
• old AA battery for verification

Step 2: stripping the washers

The basis of this homemade 11 copper-zinc cells that "give out" 1.5V. Copper and zinc washers must enter into chemical reactions, so we clean them from oxides, dirt, etc. Using brain-skin with 100 grains, we don't just clean the washers, but polish them to a shine.

Step 3: Prepare the electrolyte

Copper and zinc create a potential difference, but you also need a medium through which the charges will pass between these potentials. For the electrolyte, dissolve 4 tablespoons of salt in 120 ml of distilled water, mix everything thoroughly until completely dissolved, then add 30 ml of vinegar and let it brew.

Step 4: cardboard

To keep the washers at a distance from each other, you need to lay them brainboard, namely, corrugated board impregnated with electrolyte. We cut corrugated cardboard into squares with a side of 1 cm and soak them in electrolyte, which was infused for at least 5 minutes after adding vinegar.

Step 5: stretching the tube

Now you need to modify the heat shrink tubing a little. To make it easier to install the copper-zinc battery cells into the tube, use needle nose pliers to stretch the tube itself by about 10% of the initial diameter.

Step 6: testing

Now is the time to test our elements. We put on a copper washer brainboard soaked in electrolyte, and on it a zinc washer. Use gloves! Next, turn on the multimeter in the "constant 20V" mode, touch the copper washer with the black wire, and the zinc washer with the red one. The multimeter should show about 0.05-0.15V, this is enough to create a battery of 11 copper-zinc cells.

Step 7: battery assembly

We assemble the battery from the prepared elements: copper - zinc - cardboard. It is in this sequence. See photo.

First, we insert a copper washer into the tube, align it perpendicular to the length of the tube, put a zinc washer on it, then cardboard and so on all 11 elements. For convenience, lightly tamp the elements with a plastic rod.

After installing the last zinc washer, we check the resulting workpiece homemade with an old standard AA battery, if necessary add another zinc washer. After fitting along the length, we heat the tube, thereby forming a battery, cut off the excess ends.

Step 8: wiring contacts

It remains to add contacts. We heat up brain soldering iron and solder balls of solder to the ends of the battery. That is, we solder a ball of solder onto the copper end, so that when installed in the battery holder, our homemade product touches the contact of the battery holder. Then we turn the battery over and do it with the zinc end too.

Step 9: Everything is ready, let's apply!

The homemade battery is ready, let's try it in action. We connect the multimeter in the "constant 20V" mode and measure the voltage, it should be about 1.5V

If the voltage is below 1.5 V, then try to stretch the battery a little, if this does not help, then you may have made a mistake in the order of installing the washers.

If everything is in order, then install the battery in your favorites brain gadgets and enjoy their work!

How easy it is to make a battery
How easy it is to make a battery Again, greetings to all the brainchildren! Today I will tell you how to make a battery yourself and from scrap materials! AA batteries are widely

You will need

• - glass jar;
• - lead:
• - clay;
• - sulphuric acid;
• - volumetric chemical glassware;
• - constant current source;
• - hydrometer;
• - tester or multimeter;
• - distilled or rain water;
• - wires;
• - an electric bulb for 2.5-3 V;
• - locksmith tools.

Instructions

The rechargeable battery consists of individual cells. Make one such element. Take sheet lead 5-6 mm thick. If you only have lead in the form of ingots, make a mold out of it, dry it and cast plates of the thickness you need, heating the lead on a stove or burner. The plates should have hangers to hold them on the top edge of the can. In order not to engage in soldering, when casting the plates, you can immediately put pieces of copper wire stripped from insulation into the mold, which will later be used to connect to a charger or an energy consumer.

Place the molded plates on the top edges of the glass jar. A rectangular jar is better. The plates should not touch each other and the bottom of the can. To avoid short circuits, you can put glass rods or tubes between the plates. The distance from one plate to another should not be less than 1 cm.

Such a battery is called an acid battery, so it uses an electrolyte based on sulfuric acid. The electrolyte can be bought ready-made, but if necessary, nothing prevents its manufacture. Concentrated sulfuric acid, which can be found commercially, has a specific gravity of 1.08. Dissolve it as follows. For 3.5 volumes of water, 1 volume of sulfuric acid is taken. Pour water, preferably distilled water, into a chemical container. You can buy it at a car dealership. Filtered rain water is also suitable. Add sulfuric acid to the water in a thin stream with constant stirring. Remember to be careful not to splatter the solution. Let the liquid cool down (sulfuric acid gets very hot when dissolved). The density of the solution according to Baume's hydrometer should be 21-22 ° C.

Prepare. Immediately after filling the battery, you will need it. Pour in electrolyte so that the level is 1 cm below the upper edge of the jar and the upper edge of the plates. Immediately proceed with the first charge, which is carried out with direct current only. Mark the polarity of the plates with the "+" and "-" signs. A fully charged acid battery should display 2.2V on the plates.

All mechanical and chemical work on the battery has been completed, but its capacity is still small. To increase it, carry out the molding. Connect a light bulb to the output wires and let the battery fully discharge to this load. Check the discharge with a tester or multimeter.

After discharging, charge the battery "vice versa", that is, swap the wires going to the charger so that "+" becomes "-" and vice versa. Discharge the battery again through the bulb. It is advisable to do this operation 15-20 times in order to approximately double the capacity of the battery. It is not worth molding it anymore.

It is advisable to provide the battery with a cover to protect the electrolyte from contamination. The cover can be made from any dielectric, even from wood impregnated with paraffin. It is advisable to arrange the battery terminals in the form of terminals or clamps. Be sure to mark their polarity at the end of the last forming cycle. When using an acid battery to replace the evaporated electrolyte, do not add a new one, add only water to the previous level. If you want to make a battery, connect several of these batteries in series.

A battery is an energy storage device that usually operates on the principle of reversibility of a chemical reaction. The simplest battery is arranged simply, for the first time its idea was tested in practice by Ritter in 1803, it was a column of 50 copper plates, laid with a damp dense cloth.

How to make a battery with your own hands? Assemble from copper plates? There are simpler methods for creating an energy storage device from available tools. You can make both an acid home-made battery and an alkaline type device.

Acid and Lead

The simplest in the device is a lead-acid design for storing electricity. To build it you need:

• stable container, with the possibility of tightly closing it with a lid;
• electrolyte - a solution of battery acid and distilled water;
• Lead plate - you can use a flattened piece of lead with cable insulation or purchased from a hunting or fishing store;
• two metal pins - electrodes that must be driven vertically into the lead plates.

The following is the process of manufacturing this device itself. Lead plates are put on metal pins, with a small distance between them. Then the structure is immersed in a container filled with electrolyte. Lead must be completely under the grout. The contact ends of the pins are passed through the container lid and securely fixed on it. A consumer of electricity can be connected to the ends of the electrodes. The container is placed on a stable surface, after which the device is charged. Complicating the design, rolling the lead plates into a roll and, accordingly, increasing their area, with a small volume, you can achieve good performance of such a device. The same principle is used to make rolls in modern gel energy storage devices.

Important! When working with self-made electronic storage devices, observe safety rules: the acid used in the electrolyte is a rather corrosive substance.

Salt, coal and graphite

This device does not need acid as it uses an alkaline reaction. How to make a battery of this type? The basis of this type of energy storage is a container with an electrolyte in the form of a solution of water and sodium chloride - table salt. To create it you need:

• graphite rods, with a metal cap for soldering the contact;
• activated or charcoal crushed into crumb;
• cloth bags for placing coal powder;
• a container for electrolyte with a tight lid for fixing the ends of the electrode.

A graphite rod in a dense carbon lining serves as the electrodes. Graphite can be used from batteries that have become unusable, and charcoal - wood or activated, from gas filters. To create a tight lining, coal can be placed in a water-permeable bag, then a graphite rod is inserted inside, and the fabric of the bag can be wrapped with thread or wire with an insulating coating.

To increase the performance of this kind of design, you can create a battery of several electrodes placed in one container.

Important! The storage capacity and voltage at the contacts of self-made devices for storing electricity are relatively small, but at the same time they are quite enough for connecting a low-power light source or for other purposes. A battery of multiple electrodes has higher rates, but they are more bulky.

Lemons and oranges as a container for electricity

Lemon is not only a tasty and healthy fruit, but also a natural battery. To use it, it is enough to combine several lemons in a series circuit using metal electrodes. Then you can connect the "fruit" drive to the charger. Instead of lemons, you can use other citrus fruits that contain an acid that will serve as a natural electrolyte. The more citrus fruits are used, the higher the parameters of the "natural" battery.

Lemon juice, acid or its solution can be used alone. To do this, it is enough to pour them into a small jar and install a copper and steel electrode there. The voltage of natural energy storage is low, but, nevertheless, it is enough for a low power lighting source.

Even in the absence of a factory-made energy storage device, you can easily make a battery yourself. To create it, you only need knowledge of the basics of physics and chemistry, as well as the presence of any type of acid or alkali at hand. Almost any metals that are available can be used as electrodes, but the best option is to use steels with a high iron content, as well as copper and its alloys.

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