-(2)Introduction to the structural characteristics of soft pack lithium batteries and cylindrical lithium batteries

(2)Introduction to the structural characteristics of soft pack lithium batteries and cylindrical lithium batteries
author:enerbyte source:本站 click326 Release date: 2023-11-02 09:03:26
abstract:
The shortcomings of soft pack lithium-ion batteries are poor consistency, high cost, and easy leakage. The high cost can be solved through large-scale production, while leakage can be solved by improving the quality of aluminum plastic film. Structural characteristics of cyl...

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The shortcomings of soft pack lithium-ion batteries are poor consistency, high cost, and easy leakage. The high cost can be solved through large-scale production, while leakage can be solved by improving the quality of aluminum plastic film.

Structural characteristics of cylindrical lithium-ion batteries

Cylindrical lithium-ion batteries are a common form of battery structure. Ni/MH, lithium-ion batteries, etc. all have cylindrical structures, and newly developed power lead-acid batteries also have cylindrical structures. Cylindrical lithium-ion batteries have formed a series of internationally unified standard specifications and models, and the process is relatively mature, suitable for large-scale continuous production. The cylindrical lithium-ion battery shell has high pressure resistance and will not experience phenomena such as square or soft packaging battery expansion during use.

(1) A regular cylindrical lithium-ion battery consists of an outer shell, a cap, a positive electrode, a negative electrode, a separator, and an electrolyte. Generally, the battery casing is the negative electrode of the battery, the cap is the positive electrode of the battery, and the battery casing is made of nickel plated steel plate.

(2) The important difference between power type cylindrical batteries lies in the conductive connection structure of the battery, as power lithium batteries generally have high current applications and require specialized high current structure design.

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