Cylindrical lithium battery structure design analog simulation analysis method

Abstract

The invention discloses a cylindrical lithium battery structure design analog simulation analysis method, which comprises the following steps: drawing a graph with a solid shape on the basis of the coordinate position of each component, showing the cell structure of a cylindrical battery by using the graph, and reflecting the internal structure of the battery under the specific process size. The cylindrical lithium battery structure design analog simulation analysis method has a positive effect on the process design of the cylindrical battery, and is high in accuracy.

Description

Technical field [0001] The present invention relates to the field of lithium ion battery design, in particular, to a cylindrical lithium battery structure design simulation simulation analysis method. Background technique [0002] Lithium-ion battery is a new energy storage battery with high energy density, long service life, low self-discharge rate, no memory effect, electronic technology, electric vehicle, solar energy storage, emergency spare power, aerospace, etc. The field has a wide range of applications. [0003] In a lithium battery, the cylindrical lithium battery is very popular, so the requirements for its performance are also increasing, of which the improvement of the lithium battery design process and the design of the new material battery are key steps. [0004] At present, improvements in each new material or new process need to be optimized and designed to be optimized in conjunction with various processes. Among them, for the design of the battery structure, in ...

AI Technical Summary

Problems solved by technology

Among them, for the design of the battery structure, in the case of limited data, the method of calculating the diameter of the battery cell is relatively complicated and rough, and it is extremely difficult to predict the overall structural state of the battery cell after molding and the position of each component, which makes the production of the battery practical. Larger deviations from design expectations

[0005] At the same time, unreasonable design has a fatal impact on battery safety. It is difficult to judge the accuracy and rationality of battery design in a timely manner, and the risks in the production and use of batteries cannot be effectively avoided.

Furthermore, while lithium batteries are pursuing high energy density, it is very important to improve the utilization rate of the limited space inside the battery. The relative position of each component inside the battery directly affects the circularity of the wound-shaped battery. The position of each component If the arrangement is unreasonable, the circularity will be poor, and the space utilization rate will also be reduced. Therefore, it is extremely important to make reasonable use of the internal space of the battery to improve the energy density of the battery.

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