Safety of iron lithium batteries

　　Lithium iron batteries are not as safe as some friends online claim. There is also a risk of explosion. Technology requires honesty and rigor.

　　The lithium iron phosphate battery 26650-3AH was overcharged at 3C10V, resulting in an explosion of the battery. Repeated testing with similar results.

　　(Note that this experiment is an experiment on an unformed product, and the narrator cannot provide photos)

　　When a lithium battery is charged and discharged with high current, the internal temperature of the battery continues to rise, and the gas generated during the activation process expands. The internal pressure of the battery increases, and the pressure reaches a certain level. If there are scars on the shell, it will rupture, causing liquid leakage, fire, and even explosion. So, when using it, everyone must pay attention to safety.

　　However, in normal use, a battery management system is generally used to protect the power lithium battery, so there is almost no explosion phenomenon. However, for mobile phone batteries, due to inadequate protective measures, they are more prone to explosions.

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