-Comparison and decomposition of technical characteristics of cylindrical, square, and soft pack lithium-ion batteries

Comparison and decomposition of technical characteristics of cylindrical, square, and soft pack lithium-ion batteries
author:enerbyte source:本站 click330 Release date: 2023-09-18 08:56:34
abstract:
Square lithium-ion battery Square lithium-ion batteries usually refer to aluminum or steel shell square batteries. The popularity of square batteries is very high in China. With the rise of automotive power lithium-ion batteries in recent years, the contradiction between veh...

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Square lithium-ion battery

Square lithium-ion batteries usually refer to aluminum or steel shell square batteries. The popularity of square batteries is very high in China. With the rise of automotive power lithium-ion batteries in recent years, the contradiction between vehicle range and battery capacity is becoming increasingly prominent. Domestic power lithium-ion battery manufacturers mainly use aluminum shell square batteries with higher energy density because the structure of square batteries is relatively simple, Unlike cylindrical batteries that use high-strength stainless steel as the casing and accessories with explosion-proof safety valves, the overall weight of the accessories is lighter and the relative energy density is higher. There are two different processes for square batteries: winding and stacking.

However, due to the fact that square lithium-ion batteries can be customized according to the size of the product, there are thousands of models on the market, and precisely because there are too many models, it is difficult to unify the process. The use of square batteries in general electronic products is not a problem, but for industrial equipment products that require multiple series and parallel connections, it is best to use standardized cylindrical lithium-ion batteries. This ensures the processing technology and makes it easier to find replaceable batteries in the future.

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