10 Lead Acid Battery Manufacturers in 2023
This section provides an overview for lead acid batteries as well as their applications and principles. Also, please take a look at the list of 10 lead acid battery manufacturers and their company rankings.
Table of Contents
What Is a Lead Acid Battery?
A lead acid battery is a type of battery that uses lead dioxide and metallic lead as electrodes. Sulfuric acid is used as the electrolyte that fills the space between the electrodes. Lead acid batteries are superior in terms of price because the lead used for the electrodes is inexpensive and can be manufactured at a low cost. They are widely distributed because they are easy to use, with good performance stability regardless of the current used and little memory effect.
Disadvantages include the difficulty in reducing size and weight compared to other rechargeable batteries, and the need to be careful about damage due to the use of sulfuric acid.
Uses of Lead Acid Batteries
Lead acid batteries are used in a wide variety of applications because of their low cost, high stability, and outstanding cost performance. The automotive and industrial fields are particularly well represented as fields where lead-acid batteries are becoming increasingly popular.
A single cell of a lead acid battery has an electromotive force of 2 V, which can be increased to 6, 12, or 24 V by connecting multiple cells. There are two types of lead acid batteries based on the shape of the electrode plates: the paste type and the clad type.
The paste type uses a grid coated with lead compounds, and is used in emergency power supplies and uninterruptible power supplies because its large electrode area allows a large current to be obtained. The paste type is also used in automobiles.
Clad-type batteries are made of glass fibers braided into a tube shape and filled with lead powder, and are used as a backup for construction site crises such as forklifts. This is due to their long life and durability. They are not well suited for use in extremely cold regions due to the risk of the electrolyte freezing and the battery exploding.
Principle of Lead Acid Batteries
The discharge phenomenon of lead acid batteries is represented by the following reaction formula (battery formula). When recharging, the reaction occurs in the opposite direction of this equation.
- Reaction at the positive electrode: PbO2+ 4H^(+) +SO4^(2-) + 2e^(-) → PbSO4 + 2H2O
- Reaction at anode: Pb + SO4^(2-) → PbSO4 + 2e^(-)
- Reaction in the whole system: PbO2 + 2H2SO4 + Pb → 2PbSO4 + 2H2O
In lead acid batteries, lead dioxide (PbO2) is used for the positive electrode, lead (Pb) for the negative electrode, and dilute sulfuric acid (H2SO4) for the electrolyte.
During discharge, lead reacts with sulfuric acid on the anode side and is oxidized to lead sulfate (PbSO4). During the reaction, electrons (e^(-)) from the lead are released and transferred to the cathode side, generating electricity.
On the cathode side, the lead dioxide at the electrode receives electrons sent from the anode side and releases lead ions. The lead ions react with sulfuric acid to form lead sulfate. The oxygen in lead dioxide combines with hydrogen ions (H^(+)) present in the electrolyte to form water (H2O).
List of 10 Lead Acid Battery Manufacturers
*Including some distributors, etc.
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- Year Founded: oldest first
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XINFU TECHNOLOGY
Lead-Acid Battery
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Lead Acid Battery Manufacturer Ranking
*Including some distributors, etc.Number of Employees
- JYC BATTERY MANUFACTURER CO.,LTD.: 600
- iQ International AG: 95
Newly Established Company
- iQ International AG: 2018 (5 years ago)
- XINFU TECHNOLOGY: 2004 (19 years ago)
- GREENSUN: 2003 (20 years ago)
Company with a History
- Concorde Battery: 1977 (46 years ago)
- JYC BATTERY MANUFACTURER CO.,LTD.: 2000 (23 years ago)
- GREENSUN: 2003 (20 years ago)
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