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1. At present, the focus of lithium-ion battery protection can be summarized as two important parts: the external refers to the threat caused by external forces such as impact and puncture; Internal refers to the threat caused by heat dissipation and attenuation.
2. The two types of batteries do not differ much in terms of vehicle safety protection. In fact, not only square lithium-ion batteries and circular lithium-ion batteries, but also soft pack batteries have fundamental similarities in vehicle safety protection.
Because the internal composition of the three types of batteries is not significantly different from that of square and cylindrical lithium-ion batteries, the biggest difference is that soft pack batteries use aluminum-plastic composite film as the outer shell, while square and cylindrical batteries use metal materials as the outer shell.
3. Protection method for square lithium-ion batteries: When the battery temperature rises abnormally, it can exhibit high resistance, hindering the charging and discharging current of the battery, ensuring the safe use of the battery.
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