-(2)The development process and technological direction of power lithium-ion batteries

(2)The development process and technological direction of power lithium-ion batteries
author:enerbyte source:本站 click424 Release date: 2023-06-25 08:58:37
abstract:
Because aluminum batteries have a metal casing for protection, their safety will be higher, while flexible packaging batteries can only rely on the functionality of the data itself to pass safety tests, which now seems difficult. In terms of process difficulty, due to the la...

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Because aluminum batteries have a metal casing for protection, their safety will be higher, while flexible packaging batteries can only rely on the functionality of the data itself to pass safety tests, which now seems difficult.

In terms of process difficulty, due to the large number of small electrodes in the soft pack battery, there is a high demand for die-cutting equipment, which is prone to self discharge and partial micro short circuit. Due to internal space limitations, there is less free electrolyte, and the circulation function may be slightly poor.

The wound battery is relatively better, has surplus, and is easy to complete automatic processing. In terms of cost, the cost is slightly higher because of the high welding requirements for the winding battery shell. The flexible battery does not involve laser welding, and the focus is on packaging, so the equipment investment is low.

According to the internal space, the battery of the battery is calculated to be negative, with a diaphragm layer. Based on professional behavior, the parameters related to the test data are experimentally verified based on past experience to verify the compaction density, information function, and the platform type developed on the basis of auxiliary materials for the function (including SbR, CMC validation, PVDF, conductive agents, etc.). The final technical development also needs to be matched with the information, and the control method and process flowchart are ultimately obtained.

Nowadays, in order to shorten time, manufacturers combine experimental verification with process development, but this often carries risks, as the data system itself evolves with the development of skills.

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