Lithium-ion batteries are the most commonly used batteries worldwide. They are mainly used in mid-range appliances such as laptops, cell phones and cordless phones. Due to their high functionality, they are used a lot. Despite their high capacity, they swell easily. This caused disdain from a lot of customers, who wondered why this was happening and if they had a way to fix it. The following will tell you, and will also tell you how to solve this problem, let’s take a look!
What causes lithium-ion batteries to swell? The reasons are as follows:
The general cause can be understood as what happens at the surface level that causes this expansion. Details are as follows:
- The battery charging time is too long, and the stored power in the battery is too much.
- The excess electricity causes various reactions (technical reasons), resulting in swelling.
- In short, swelling is caused by overcharging the battery.
Technical reasons
The technical reason for the swelling can be understood as the science that happens inside the battery that causes this swelling. In short, they are the result of overcharging. The technical reasons are discussed below:
- An undesired reaction between the electrodes and the electrolyte can cause an imbalance within the battery, which can lead to swelling. As we discussed in General Reasons, this imbalance is caused by too much current being directed to the battery.
- Unwanted reactions can lead to the release of gases which, when expelled from the battery, can eventually cause the battery to swell.
- These reactions can lead to contamination of waste particles within the battery. These particles take up more space, causing the battery to swell.
Are Swollen Batteries Dangerous?
To judge whether a swollen battery is dangerous, we have to look at swelling in two ways. Then we can take the appropriate scale to judge whether it is dangerous or not. This will help us determine our immediate response if we happen to encounter a swollen battery.
Dangerous ways of swollen batteries are as follows:
- Since there is more power in the battery than needed, when this current reaches the components of your device, it has the potential to damage those components. It can cause burning or failure of these components.
- There is usually a designated space for the battery in a typical device, and if the battery swells, it will start destroying the device from the inside to make up the space needed.
- In older versions of Li-ion batteries, an overcharged (i.e. swollen) battery could explode and splash around.
Here’s how to swollen batteries in a non-dangerous way:
- In general, some lithium-ion batteries fail if they are overcharged. This means they will have significantly less functionality and will not cause other problems.
- Lithium-ion batteries in new devices no longer explode. This is the result of the new technology strategy employed by these batteries.
How to prevent swelling?
You just need to make sure you don’t overcharge your battery. In other words, keep an eye on your rechargeable battery and remove it when it reaches 100% charge.
What to do when your lithium battery swells? If your lithium battery swells, you can do the following:
stop the charging process
As soon as you notice (or worry about) your lithium battery swelling, you should stop charging it. Once the battery starts to swell or gets close to that point, the situation deteriorates rapidly, so action needs to be taken quickly to avoid any undue harm to the person, the battery, or the equipment that uses the battery.
Safely remove the battery
You should use the appropriate method to remove the battery. This means that you should first turn off the device, unscrew the case properly, and then remove the battery, preferably with all safety measures intact. This will allow safe removal without damaging your device or components of that device.
Properly dispose of batteries
If the battery does swell, there’s nothing you can do about it. Remember, you can’t just throw it in the trash. There are proper procedures for battery removal and you must follow local guidelines to do so. You will most likely have to hand over the battery to an authorized organization.
Replace with new battery
Since you’ve disposed of the previous battery, all you need to do now is buy a new battery. Just make sure you get the same replacement battery that you used before, as this will work best for your device.
>>>>>>>>>>>Battery
Thanks for reading, hope it helps!
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