Acid-lead accumulator. Principle of operation

Acid-lead battery is the most common type of battery. It was invented a long time ago - back in 1859. This mechanism is used mainly in road transport, as well as in emergency sources of electrical energy.

The principle on which the acid-lead accumulator carries out its work is based on electrochemical reactions of lead dioxide and lead in a medium of sulfuric acid. Energy arises as a result of the interaction of sulfuric acid and lead oxide. Studies that have been conducted for a very long time have yielded the following result: within this accumulator there are about 60 reactions (at least) and one third of them occur without electrolyte acid. During the discharge, the lead oxidation occurring at the cathode begins and the reduction of the lead dioxide (only at the anode). Reverse reactions occur during charging. So, if the lead-acid battery is discharged, then sulfuric acid is consumed (the density of the electrolyte falls ).

Now it is worth to tell how this unit is designed. It is created by connecting negative and positive electrodes and separators (so-called isolating insulators). They are immersed in the electrolyte. Electrodes are lead grids. Negatives have an active substance called "spongy lead", and positive - lead dioxide.

Acid-lead battery can be classified according to different characteristics and parameters. They should be listed. It:

• Maximum operating period;
• Accumulator capacity;
• Number of recharge cycles;
• Self-charging parameters;
• Dimensions;
• Temperature operating range;
• Possibility to conduct accelerated charging;
• Maximum shelf life.

The acid-lead battery can be made in the form of several elements or one. The electrolyte that is inside the battery can be in a gel-like state or in a liquid state. In the second variant, the battery will need maintenance, topping up water and replacing the electrolyte. And helium in the maintenance do not need, so they are considered more convenient.

It is impossible not to touch on such a topic as Varta car batteries. This company is the first supplier of batteries for cars throughout Europe. Today, car batteries Varta - a great choice for those who want to buy a reliable unit that will last a long time without any maintenance. Manufacturers make very strict, high demands on their products. Few companies besides this, which can give a qualitative result and provide the car market with good batteries. From the others they differ high power and the highest indicator of the starter current. All this guarantees that the engine will be launched even under the most critical and seemingly unrealistic conditions. In addition, it is ideal for diesel engines.