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Classification of lithium-ion battery casings
- Categories:lithium ion battery News
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- Time of issue:2022-12-08 14:40
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(Summary description)Later, due to the low weight specific energy and poor safety of steel shells, they were gradually replaced by aluminum shells and soft-pack lithium-ion batteries.
Classification of lithium-ion battery casings
(Summary description)Later, due to the low weight specific energy and poor safety of steel shells, they were gradually replaced by aluminum shells and soft-pack lithium-ion batteries.
- Categories:lithium ion battery News
- Author:
- Origin:
- Time of issue:2022-12-08 14:40
- Views:
Information
Steel shell lithium ion battery
①: Most of the early square lithium-ion batteries were steel shells, which were mostly used for mobile phone batteries. Later, due to the low weight specific energy and poor safety of steel shells, they were gradually replaced by aluminum shells and soft-pack lithium-ion batteries.
②: Most manufacturers of cylindrical lithium batteries use steel as the battery casing material, because the physical stability of steel materials, the pressure resistance is much higher than that of aluminum casing materials, after the design structure optimization of each manufacturer, through the safety valve, The safety of PTC and other devices and steel-cased cylindrical batteries has reached a new level.
Aluminum case lithium-ion battery
Aluminum-cased lithium-ion batteries have become the main force of mobile phone batteries due to their lighter weight and slightly better safety than steel-cased lithium-ion batteries. Due to the high cost of aluminum shell mold opening, there are relatively few models, and the minimum order quantity requirements for orders are relatively high. The main models are concentrated in some common mobile phone battery models.
Flexible packaging lithium-ion battery
Soft-pack lithium-ion batteries are gradually expanding their market share due to their light weight, low mold cost, and high safety. It is mainly used in digital products, and is gradually developing into markets such as mobile phones, notebook computers, and electric tools. It can be predicted that in the next few years, the market share of flexible packaging lithium-ion batteries will continue to expand steadily, and the scope of application will be wider. Because the outsourcing is made of aluminum-plastic film, the pressure resistance is very weak, limited by the current technical and environmental constraints of domestic packaging factories, and it is prone to bulging, Leakage and other issues.
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