Battery leakage is a serious problem that can affect device performance and safety. Whether it is a battery in a mobile phone, power tool or other electronic device, leakage can cause device damage, health risks and environmental issues.
Causes of battery leakage
Physical damage: A battery that is hit, squeezed, or dropped may crack the casing, causing fluid to leak.
Manufacturing defects: Poor workmanship or material problems during the production process may cause the battery to leak during use.
Overcharge or over-discharge: Exceeding the recommended charge or discharge range may cause internal decomposition reactions, causing leakage.
High temperature environment: Prolonged exposure to high temperature conditions will cause the battery to swell, increasing the risk of leakage.
Aging: Over time, the aging and degradation of the internal chemicals of the battery may cause leakage.
How did the battery leak?
Alkaline and zinc-carbon batteries are more susceptible to leakage because of the way they generate energy. Batteries generate electricity through a chemical reaction between two different metals (the anode and cathode). These metals do not come into direct contact, but rather react through the electrolyte that fills the battery. If the battery is not used for a long time or the device is left empty for a long time, gas will be generated inside the battery. Excessive gas pressure can cause the battery's protective layer to rupture (this design is to prevent explosion), causing the electrolyte to leak and form white crystals on the outside of the battery.
Therefore, if the toy or device is not used for a long time, it is best to remove the battery and store it separately to reduce the risk of leakage.
How to tell if the battery is leaking？
To identify a leaking battery, you can rely on your sense of smell and vision.
When you open the device and expose the battery, you will smell a chemical odor. Undamaged batteries have no odor, so as long as you smell something, you know you are dealing with a leaking battery.
You can see liquid or dried white goo. This is electrolyte leaking from the battery's protective layer due to increased pressure.
How to deal with battery leakage？
First, take some precautions:
1.Wear gloves and an apron to prevent chemicals from irritating your skin or staining clothing. If you are not wearing gloves, always wash your hands after handling.
2.Make sure the room is well ventilated.
3.Keep out of reach of children or pets.
Remove a leaking battery:
1.Carefully remove the leaking battery from the compartment, preferably wearing gloves.
2.Place the leaking battery in a clear plastic bag so you can clearly see the battery status.
3.Immediately place the bag in a safe place out of reach of children or pets.
Clean the device:
1.Use lemon juice or vinegar to moisten a cotton swab or cloth (still wearing gloves) and gently wipe the white residue off the device.
2.A fiberglass cleaning pen is recommended for a more thorough cleaning.
3.Do not scrub too hard, the white crystals will react with the acid and fall off. Use an old toothbrush or cloth to gently wipe until the device is clean.
Warning: If the circuit board is damaged, the device may no longer work. In this case, take the device and battery to a recycling point for disposal.
What should I do if battery leakage comes into contact with my skin?
If battery leakage comes into contact with your skin, immediately rinse the affected area with plenty of water. Wash with mild soap and observe for redness, swelling, or irritation. If severe discomfort or skin reaction occurs, seek medical attention as soon as possible.
How to prevent battery leakage？
1.Use the same brand of batteries for a single device
2.Replace all batteries in a device at the same time
3.Are you not going to use the device for a while? Remove their batteries
4.Insert the batteries correctly into the new device, negative first, then positive; when removing 5.them, reverse the order.
6.Store the batteries in a dry place at room temperature
7.Make sure to use qualified batteries and avoid overcharging or over-discharging
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