Does Leaving Your Smartphone Charging For Too Long Affect Your Battery's Lifespan?

It's quite fascinating as to how people around us use various kinds of smartphones, particularly in their social lives, studies, businesses, as well as their financial transactions.

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 Some of whom even go an extra mile to work all day long alongside in-built artificial intelligence (A.I), turning them into their personal assistants, and not to mention, their life companions.
Smartphones which appear to come in various types and operating systems, ranging from Java to IOS, and even to the latest Android operating system, have proven to be a beneficial source of more exceptional standard of living for humans.
In the same sense, we all are very much aware of how whatever fun we are having, can get jeopardized in a matter of weeks due to the bad maintenance of our smartphones. Many believe that leaving your smartphone charging for too long even when it appears to be fully charged, might damage its battery. But before we get to know what actually happens, let's find out more about these smartphone batteries. Other types of batteries include the Nickel Cadmium (NiCd) battery, the Nickel-Metal Hydride (NiMH) battery, Lithium polymer battery et cetera.

What Makes Up Smartphone Batteries?
 Most of our smartphones contain a battery commonly known as Lithium-ion battery (Li-ion).  Lithium-ion batteries are rechargeable batteries in which lithium ions move from the negative electrode to the positive electrode during discharge and back when charging.  Although, we have the lead-acid type of batteries, but the Lithium-ion batteries are majorly becoming a replacement. These batteries have a high energy density, coupled with a self-discharge rate of 2% monthly.

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Is It Bad To Leave Your Phone Charging Even When It Is Fully Charged?
In a way, it is not bad to leave it charging all day long. Whenever your smartphone hits 100%, it stops charging but doesn't let you know that. Your phone is smart, and so is the battery. When it is full, the battery stops more current from coming in, and hence, prevents the device from overcharging.
Sometimes, doing this on a regular could affect your battery's lifespan, and so, I suggest you stick to unplugging your smartphone right after it is fully charged.
Stay tuned.