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The battery is divided into positive and negative poles. The two electrodes of a common battery are both coated electrodes. Apply lead paste composed of lead powder and sulfuric acid on the grid shaped skeleton cast with lead alloy, and after dehydration treatment, form an electrode plate. At this point, the components of the positive and negative poles are all mixtures, such as lead, lead sulfate, sulfuric acid, also known as the electrode plate. After repeatedly applying direct current to the positive and negative electrodes and charging and discharging, the positive electrode turns reddish brown, mainly composed of lead dioxide, and the negative electrode turns into a bluish gray fluffy lead. This is the electrode material for his positive and negative electrodes. After discharge, the main material components of the positive and negative electrodes react with dilute sulfuric acid in the battery to form lead sulfate. At this point, the main components of the positive and negative poles have become lead sulfate. During charging, due to the action of current, the positive and negative poles are respectively reduced to lead dioxide and fluffy lead at the end of charging. See? This is the working principle of lead-acid batteries. If the active substances of the positive and negative electrodes participate in the reaction with fewer and fewer active ingredients, the performance of the battery will become worse and worse. Until it falls below 80% of the rated capacity, it is declared that the effective life of the battery has ended.

A battery is a type of battery that works by converting chemical energy into electrical energy.

It uses a lead plate filled with sponge shaped lead as the negative electrode, a lead plate filled with lead dioxide as the positive electrode, and 22-28% dilute sulfuric acid as the electrolyte. During charging, electrical energy is converted into chemical energy, and during discharge, chemical energy is converted back into electrical energy. When the battery is discharged, the metal lead is the negative electrode, which undergoes an oxidation reaction and is oxidized to lead sulfate; Lead dioxide is the positive electrode that undergoes a reduction reaction and is reduced to lead sulfate. When a battery is charged with direct current, the two poles generate lead and lead dioxide, respectively. After removing the power source, it returns to its pre discharge state and forms a chemical battery.

When discharging, the electrode reaction is: PbO2+4H++SO42-+2e -=PbSO4+2H2O

Negative electrode reaction: Pb+SO42-2e -=PbSO4

Total reaction: PbO2+Pb+2H2SO4==2PbSO4+2H2O (reaction to the right is discharge, reaction to the left is charging)

Lead acid battery (VRLA) is a type of battery where the electrodes are mainly made of lead and its oxides, and the electrolyte is a sulfuric acid solution. In the discharge state of lead-acid batteries, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; In the charging state, the main component of the positive and negative electrodes is lead sulfate.

The nominal voltage of a single cell lead-acid battery is 2.0V, which can discharge up to 1.5V and charge up to 2.4V; In applications, six single cell lead-acid batteries are often connected in series to form lead-acid batteries with a nominal voltage of 12V, as well as 24V, 36V, 48V, etc.

The Frenchman Prandtl invented lead-acid batteries in 1859 and has gone through nearly 150 years of development. lead-acid batteries have made significant progress in theoretical research, product types and varieties, and electrical performance. Whether in transportation, communication, electricity, specialty, navigation, and other economic fields, lead-acid batteries have played an indispensable and important role.

Construction of lead-acid batteries

Construction of lead-acid batteries

According to the differences in structure and use of lead-acid batteries, they can be roughly divided into four categories: 1. Lead acid batteries for starting; 2. Lead acid batteries for power use; 3. Fixed valve controlled sealed lead-acid batteries; 4. Other categories include small valve controlled sealed lead-acid batteries, lead-acid batteries for mining lamps, etc.

The nominal voltage of a single cell lead-acid battery is 2.0V, which can discharge up to 1.5V and charge up to 2.4V. In applications, six single cell lead-acid batteries are often connected in series to form a nominal 12V lead-acid battery. There are also 24V, 36V, 48V, etc.

Main features

Safe sealing

Lead acid battery

Lead acid battery

During normal operation, the electrolyte will not leak from the terminals or casing of the battery. No free acids

The special suction partition keeps the acid inside, and there is no free acid inside the battery, so the battery can be placed in any position.

Air release system

After the internal pressure of the battery exceeds the normal level, the VRLA battery will release excess gas and automatically reseal to ensure that there is no excess gas inside the battery.

Easy maintenance

Due to the gas recombination system converting the generated gas into water, there is no need to add water during the use of VRLA batteries.

Long service life

The VRLA battery, which adopts a corrosion-resistant structure and a lead calcium alloy fence board, can be used for floating charging for 10-15 years.

Stable quality and high reliability

By adopting advanced production processes and strict quality control systems, VRLA batteries have stable quality and reliable performance. 100% inspection of voltage, capacity, and sealing on the line.

Security certification

All VRLA batteries have passed UL safety certification.

Product application

emergency power supply

*Telecommunications

*Solar energy system

*Electronic switch system

*Communication equipment: base station, PBX，CATV,WLL,ONU,STB, Cordless phones, etc

*Backup power supply: UPS, ECR, computer backup system, Sequence, ETC, etc

*Emergency equipment: emergency lights, fire and theft alarms, fire dampers

Main power supply

*Communication equipment: transceiver

*Electric controlled locomotives: collection vehicles, automatic transport vehicles, electric wheelchairs, cleaning robots, electric vehicles, etc

*Mechanical tool starters: lawn mowers, hedgetrimmers, cordless drills, electric screwdrivers, electric sleds, etc

*Industrial equipment/instruments

*Camera: flash, VTR/VCR, movie lights, etc

Other portable devices, etc

product mix

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