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Can a bulging or leaking battery be used? How to deal with it?
Because the polymer battery contains an electrolyte, which is composed of an organic solvent (generally carbonate) and an electrolyte lithium salt lithium hexafluorophosphate (LiPF6), the electrolyte has strong water absorption, and LiPF6 reacts with water in the air to form hydrofluoric acid. It is corrosive and can cause damage to human skin and eyes. Therefore, when the battery is bulging or leaking, avoid touching the battery with your hands directly to prevent skin corrosion.
When the battery bulges and leaks, chemical reactions have occurred inside the battery, and the performance of the battery has deteriorated . At this time, when the battery is charged and discharged, the battery may further bulge and burn, so when the battery bulges or leaks Under such circumstances, it should also avoid charging and discharging the battery.
The correct way is to separate the battery packaging with plastic bags or acid-resistant packaging, and hand it over to a professional battery recycling company for recycling .
Battery Pack Replacement Cells
Polymer lithium-ion single cells can be combined into battery packs with different voltages and capacities through different series/parallel connections.
The rated voltage of the single battery is 3.7V, and the pairing between different single cells needs to be matched according to the voltage, internal resistance, and capacity of the single cells. The performance of each single cell must match, so that the performance of the battery pack can be played normally.
Because the pairing of single cells requires professional equipment and instruments to measure the performance of single cells; at the same time, the assembler needs to have certain professional knowledge, otherwise it is easy to cause damage to the battery during the assembly process. , Inadequate conditions such as false welding, short circuit, and puncture occur. When the battery pack is in use, serious consequences such as short battery life, battery swelling, short life, and burning may occur.
Therefore, when there is an abnormality in the battery pack, it should be checked by a professional to give professional advice.