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Advantages And Composition Of Pouch Batteries
Release Time:2023.10.31

Lithium-ion battery is a kind of secondary rechargeable battery, which mainly relies on the movement of lithium ions between the positive and negative electrodes to work. In the process of charging and discharging, Li+ goes back and forth between the two electrodes to be embedded and de-embedded: when charging, Li+ is de-embedded from the positive electrode, and is embedded in the negative electrode through the electrolyte, and the negative electrode is in the state of lithium enrichment; the opposite is true when discharging. According to the shape.

Advantages of pouch batteries: Compared with prismatic aluminum shell batteries and cylindrical batteries, pouch batteries in the event of safety hazards generally first flatulence, or from the rupture of the release of energy, is not easy to explode, a higher level of safety performance, and the same capacity of the pouch battery is lighter than the prismatic aluminum shell, with a higher energy density, the shape of the pouch batteries can be customized to meet the customer's needs, the design of the battery is more flexible, in the development of the new type of battery The shape of pouch battery can be customized according to the customer's demand, more flexible in design, and more advantageous in the development of new battery models.

Disadvantages of pouch batteries: most of the current aluminum film depends on imports, and the production process is complex, the automation of the production line is not as high as the prismatic aluminum shell, the production efficiency is low.

Pouch battery is mainly composed of positive and negative electrodes, electrolyte, diaphragm and shell. The raised parts at both ends of the battery are the lugs of the battery. The distribution of lugs of lithium-ion batteries includes single-ended lugs and double-ended lugs. The structure of flexi.

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