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Can polymer lithium batteries be stored with metal objects?
390 2024-12-17
Polymer lithium batteries are best not stored with metal items:

Here‘s why:

1. Short circuit risk
Polymer lithium batteries have positive and negative electrodes, and if they come into contact with metal objects, they may form conductive circuits. For example, when the positive and negative electrodes of the battery are connected through a metal object, it is like building a current path directly outside the battery, which will cause the battery to self-discharge. And this unexpected conductive path can cause a short circuit in the battery, when the short circuit will pass a large current inside the battery.

2. Security risks

A short circuit will cause the battery to heat up rapidly, which is a very dangerous situation. Because the polymer lithium battery contains flammable substances such as electrolyte, excessive heating may cause the electrolyte to decompose and burn, which may lead to serious safety accidents such as fire and even explosion.

If it is really necessary to put the polymer lithium battery and metal items together, insulating materials (such as plastic film, rubber sleeves, etc.) should be used to separate the battery from the metal items to avoid the positive and negative electrodes of the battery and metal contact to ensure the safe storage of the battery.
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