The use of spiral wound (hereinafter referred to as wound) battery structure design is designed to obtain medium to high discharge rate Li-SOCl2 batteries. These batteries are mainly designed for military purposes, such as occasions with high current output and low-temperature operation. This type of battery is still being used in industrial fields with the same usage requirements.

　　The typical structure of this type of battery is as follows: the battery shell is made of stainless steel stretched; The positive pole uses corrosion-resistant glass metal sealing edges; The battery cover is sealed or welded with laser to ensure complete sealing of the battery. Safety devices, such as leakage holes, fuses, or PTC devices, are installed inside the battery to protect the safety of the battery structure in the event of internal high air pressure and external short circuits.

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