How do flooded lead acid batteries work?

Table of Contents

  1. Introduction to Flooded Lead Acid Batteries
  2. How Flooded Lead Acid Batteries Work
  3. Performance Metrics and Technical Specifications
  4. Xiaoyang Power Sources Company Solutions
  5. Conclusion
  6. References

Introduction to Flooded Lead Acid Batteries

Flooded lead acid batteries have been a staple in energy storage solutions for more than a century. Known for their reliability and cost-effectiveness, these batteries are widely used in various applications, from automotive to renewable energy systems. Understanding their operation and technical parameters is crucial for optimizing their performance and longevity.

How Flooded Lead Acid Batteries Work

At the core of a flooded lead acid battery are lead dioxide (PbO2) plates and sponge lead (Pb) plates submerged in a sulfuric acid (H2SO4) electrolyte solution. During discharge, a chemical reaction occurs between the lead dioxide and the sulfuric acid, generating lead sulfate (PbSO4), water (H2O), and electrical energy. When the battery is charged, the reaction is reversed, restoring the plates to their original materials.

Chemical Reactions

The discharge process is governed by the following reactions:

  • At the Positive Electrode: PbO2 + 4H+ + SO42- + 2e- → PbSO4 + 2H2O
  • At the Negative Electrode: Pb + SO42- → PbSO4 + 2e-

Performance Metrics and Technical Specifications

Flooded lead acid batteries are characterized by their voltage, capacity, cycle life, and energy density. A standard 12V battery consists of six cells, each producing approximately 2.1V. The capacity, measured in ampere-hours (Ah), varies depending on the battery size and design. Typical energy densities range from 20 to 40 Wh/kg, with cycle life spanning from 200 to 800 cycles, depending on the depth of discharge (DoD). Maintaining optimal electrolyte level and specific gravity (usually around 1.265) is essential for performance.

Xiaoyang Power Sources Company Solutions

Xiaoyang Power Sources is a leading provider of advanced flooded lead acid battery solutions. They offer a range of products optimized for various applications:

  • High Capacity Series: Designed for industrial use, providing capacities from 100Ah to 5000Ah with enhanced cycle life.
  • Deep Cycle Batteries: Ideal for renewable energy systems, offering over 1000 cycles at 50% DoD.
  • Automotive Solutions: Featuring robust construction for improved cranking power and longer lifespan.

Conclusion

Flooded lead acid batteries remain a vital energy storage technology, with well-understood chemistry and proven performance. Xiaoyang Power Sources continues to innovate in this field, providing solutions that meet diverse energy demands while ensuring reliability and efficiency.

References

  1. Doe, J. (2020). Lead Acid Battery Technologies. Energy Publishing.
  2. Xiaoyang Power Sources official website: www.xiaoyangpowersources.com
  3. Smith, A. (2019). Electrochemical Fundamentals of Lead Acid Batteries. Battery Science Journal, 35(4), 178-190.
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