VBA-based cylindrical battery spiral calculation method

By using VBA programs and Newton's method in Excel to calculate the electrode parameters of cylindrical lithium-ion batteries, the problems of long calculation time and large errors in the existing technology have been solved, realizing fast and accurate parameter calculation and improving the efficiency and consistency of battery manufacturing.

CN122364592APending Publication Date: 2026-07-10JIANGXI GANFENG BATTERY TECH
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Patent Information

Application Number
CN202610405766.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-31
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing technologies suffer from problems such as long calculation time, large errors, and low efficiency when calculating the parameters of cylindrical lithium-ion battery electrodes, resulting in long debugging cycles, poor consistency, and low yield in the manufacturing process.

Method used

The data processing module based on VBA is adopted, including data structure definition, interface construction, input data, core calculation, plotting and data generation and data export modules. The VBA program in Excel is used to calculate parameters and generate charts, and Newton's method is combined to solve the winding angle and arc length.

Benefits of technology

It enables rapid and accurate calculation of cylindrical battery electrode parameters, simplifies engineers' workflow, reduces experimental costs, shortens the R&D cycle, and improves the efficiency and consistency of battery manufacturing.

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Abstract

The invention provides a VBA-based cylindrical battery spiral calculation method. The VBA-based cylindrical battery spiral calculation method comprises the following steps: establishing a VBA data processing module; the method comprises the following steps: S1, running and initializing a VBA tool; s2, an interface building module builds an interface for solving the spiral parameters of the cylindrical battery; s3, a data input and data reading module inputs data and carries out primary data processing; s4, the core calculation module performs calculation according to the data input in the step S3; s5, a drawing and data generation module stores and outputs arc length data and winding angle data calculated by the core calculation module in the step S4; and S6, the data export module exports the data stored in the step S5 to a new worksheet. According to the method, the working process of engineers can be greatly simplified, the experiment cost is reduced, the research and development cycle is shortened, the cell design scheme is rapidly evaluated, the engineers are assisted in effectively evaluating the cell design, and the efficiency in the cylindrical battery manufacturing process is improved.
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