Production process of storage battery electrode plate

By adopting the multi-stage design of grooves and flip positions in the battery plate production process, the problems of poor chemical processing and inconvenient discharge are solved, and the good electrochemical performance and efficient process flow of the plate are achieved.

CN119650604APending Publication Date: 2025-03-18GUANGDONG TONGLI POWER TECH CO LTD
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Patent Information

Application Number
CN202411939748.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-03-18

AI Technical Summary

Technical Problem

In the existing battery plate production process, the chemical treatment effect is poor and it is inconvenient for unloading, resulting in uneven tilting speed of the plate and uncontrollable angle, which in turn causes damage to the plate surface and affects product quality.

Method used

A plurality of sequentially arranged decomposition tanks are used, and the dilute sulfuric acid concentration in the sequentially arranged decomposition tanks is increased in turn to ensure that the effect of the sequential treatment is good. At the same time, a flip position is set to facilitate the flip and unloading of the rack and improve process efficiency.

Benefits of technology

Through the multi-stage tank design, the chemical processing effect is improved, ensuring that the plate has good electrochemical properties during charging and discharging. The setting of the flip position simplifies the unloading process and improves process efficiency and product quality.

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Abstract

The invention belongs to the technical field of production of polar plates, and discloses a production process of a storage battery polar plate, which comprises the following steps: lead powder manufacturing, paste mixing, plate coating, curing and drying, and polar plate formation: performing formation treatment on a cured and dried unformed polar plate by using formation equipment, the method comprises the following specific steps: forming a formation frame loaded with a polar plate in n formation tanks arranged front and back in sequence, then entering an overturning position, draining dilute sulphuric acid, overturning and unloading the formed polar plate, n is a positive integer greater than or equal to 2, the concentrations of the dilute sulphuric acid in the n formation tanks arranged front and back are m1, m2... mn respectively, and m is a positive integer greater than or equal to 2; and the concentrations of the dilute sulphuric acid in the n formation tanks arranged front and back are sequentially increased. The technical problems that the formation effect is poor, unloading is not convenient, and the next working procedure is not convenient to enter rapidly are solved.
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