How do you repair polymer lithium battery bulge issue?

Polymer lithium battery in use process, because the charging current is too large, such as overcharge reason can cause battery bulge, in the shopping online also has a low bulge (peeling) polymer lithium battery sell, for this type of internal gas polymer lithium battery, if continue to use, not only will be fever, ballooning, cause safe hidden trouble, and will accelerate cell damage, so you must remove the internal gas before they can continue to use, the following will introduce you to the polymer lithium battery internal gas simple removal method.

Preparation:

Looking for a ventilated place, ready to be processed polymer battery, scissors, paper clips, toothpicks, 705 transparent silicone rubber, transparent tape, syringes, infusion needle with a plastic tube (must be the minimum number of);

Second, the extraction preparation:

Connect the syringe and infusion needle, armed with a needle in the lithium battery pincer-like device in find a suitable location, then keep shift needles with adhesive plaster and use a toothpick apply a small amount of 705 silicone rubber near the needle, to prevent air leakage.

Three, extracting gas:

Pull syringe pump gas inside the battery, after full smoked a pipe, use plastic pipe clamp of paper needles, syringes and needles separation, exhaust gas, the gas is not within the battery, but it smells awful, so looking for a ventilated place), and then connect the syringes and needles, repeated operation.

Four, seal:

After many operations, the battery will gradually tightening and encapsulation of the aluminum membrane close to the battery ontology, the battery will become very hard. In cannot pull gas inside the battery, after nearly a vacuum state with tongs clamped needles after the plastic pipe, use scissors to cut a small piece of square (1 cm) transparent adhesive tape, stick in the hole, after compaction dial needle (like we usually infusion set needle), finished.

Five, the quality inspection:

Because the pinhole is very small, and there came of the silicone rubber and transparent tape sealing, the gas will not enter the cell. Back in a few hours after being silicone rubber curing, testing the battery, first with smaller current charge and discharge completely several times, such as no longer reassuring problems, namely the processing is completed. If there is still a gases, can again according to the above process, operation again, if still cannot solve, explain the battery has been scrapped. I purchased in shopping online at a low price of more than ten piece of lithium polymer batteries, cheerily through the processing, have returned to normal use, the effect is very good.

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