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Author ：Iflowpower – Portable Power Station Supplier
First, the negative electrode capacity of the lithium ion battery is not enough When the negative electrode portion of the lithium ion battery is insufficient, the lithium atoms in which the charging occurs when charging is inserted into the interlayer structure of the negative electrode graphite, and the surface of the negative electrode is analyzed. The crystallization in the lithium-ion battery will result in a short circuit. At this time, the battery is dramatically discharged, there will be a large amount of heat, burn the diaphragm.
High temperature will analyze the electrolyte into a gas, when the pressure is too large, the battery will explode. Second, the moisture content is too high as the lithium ion battery, the moisture can be reacted with lithium, resulting in lithium oxide, resulting in a capacity loss of the battery, which is easy to cause the battery to be overcharged to generate a gas, and the hydraulic analysis voltage is more Low, it is easy to analyze the generating gas when charging, which will increase the internal pressure of the battery, and when the outer casing of the battery cannot be spaced, the battery will explode. Third, the internal short circuit short circuit causes a large current discharge, there is a large amount of heat, burn a bad diaphragm, resulting in a larger short circuit, which causes the electrolyte to analyze gas, the internal pressure is too large, the battery will explode.
4. When the lithium-ion battery is overcharged, the lithium excessive release of the positive electrode will change the structure of the positive electrode, and excessive lithium is easily unable to insert into the negative electrode, and it is easily caused to cause lithium via the negative surface, and when the voltage When reaching 4.5V or more, the electrolyte will analyze a large number of gas.
It may cause explosion in all kinds of. 5. External short-circuit short circuit may result in the positive and negative pole error, due to external short circuit, battery discharge current will make the heat of the battery, high temperature will cause the diaphragm inside the battery to shrink or completely damage the internal short circuit.
Therefore, therefore exploded. .
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