What will happen if the positive and negative poles of a 12 Ah lithium battery are short-circuited?

Introduction What will happen if the positive and negative poles of a 12 Ah lithium battery are short-circuited? A sharp noise is accompanied by a large spark. If your battery has a protection plate, the current will stop here and the protection plate will automatical

What will happen if the positive and negative poles of a 12 Ah lithium battery are short-circuited?

A sharp noise is accompanied by a large spark. If your battery is equipped with a protection plate, the current will stop here and the protection plate will automatically provide short circuit protection. turns red under the action of the current and the battery is very hot, slowly deforms, swells or even explodes.

Why are lithium-ion batteries prone to short circuits when charging?

I can't tell you whether I can be saved or not. There is a problem in the question itself! Whether the lithium battery has an internal short circuit or an external short circuit, even if it is a momentary short circuit, there will be overcurrent. Overcurrent will cause the voltage to drop instantly or the electrode to heat up. damage the positive electrode. Therefore, as long as there is a short circuit, it will affect the positive electrode of the lithium battery, but the degree of domImmediate mage caused by short circuit time varies. Even if the short circuit time is short, the battery can still be used, but due to the damage to the positive electrode, its internal resistance will increase more than linearly over time, directly leading to a gradual decrease of capacity. Of course, if the damage is serious and the voltage during recovery is less than 2V, you should not just use it, it will be dangerous during use, especially home batteries which do not take at all take into account the problem of physical pressure relief, especially liquid batteries. like 18650. It's very dangerous to cheat! ! !

Lithium batteries are not easy to short circuit when charging, and they are particularly non-radioactive. Don't mislead people~

To put it simply, it's a problem with. the electrochem systemique and manufacturing of the battery. If the workmanship is not good, there may be metal shavings, powder particles, etc. inside the battery, which can easily cause micro-short circuits.

The negative electrode of lithium batteries is generally made of carbon. When charging incorrectly (such as high current, excessive voltage, low temperature), some "dangerous" chemical reactions are likely to occur, resulting in certain chemical reactions. battery safety issues.

To summarize, lithium batteries are more likely to have safety issues when charging (than discharging). After all, it is an energy storage process. Good quality lithium batteries are less likely to have the so-called. "Short circuit while charging" problem, so everyone should choose q lithium batteriesqualified quality.

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