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Why phones sometimes explode and what you can do to save yourself

Why phones sometimes "explode," and what you can do to save yourself

Every time we tell unfortunate stories about gadget batteries that fire and even explode (a term that is commonly used for less dramatic events), sometimes unexpected users Although it is very rare, Samsung has been forced to recall its latest Galaxy Note 7 smartphone because the concerns were raised that A small number of the handset is shipping with faulty batteries may explode. Once again, the dangerous lithium-ion battery comes back to the spotlight, but does it actually cause a battery to get disturbed?

Causing explosions

Lithium-ion batteries rarely occur on top or explosion, but when they do, there are two main reasons. The first is a puncture, which could be the reason for leaving your phone. Between cells, thin compact can produce a brake inner short circuit in the battery material, causing inflammation and potential explosion. Alternatively, the cheap battery can occasionally present rare particle particles of rare metal which can come in contact with other parts of the battery cell, which can also cause short circuits.

With Galaxy Note 7, Samsung and various reports indicate that when the device is charging, this issue is due to our second major reason - heat excessive heat again by breaking the internal cells again inside the battery Can cause short circuits. However, this usually only occurs at very high temperatures, as long as the battery is not faulty. Overcharging can also be an issue, which can handle more safely than current due to the battery, so that they become more hot.

There may be too much heat "thermal runaway" in one area of ​​the battery, this happens when the area of ​​the battery can not be quickly cooled, resulting in a breakdown chain reaction that produces more heat than other words In, excess heat causes a reaction to increase the temperature in the temperature. After all, it can be a fire or explosion

Charging and heat

There are possible reasons for excessive heat in modern smartphones and around batteries. Steps towards fast charging techniques are now making extra in lithium-ion batteries, and there is always some heat generation with each power transfer. While high power, high potential heat, while only a few heat loss will be in the battery, some heat will be lost in fast charging power conversion and power management circuitry, which is usually located next to the battery. This can certainly cause more heat on one end of the battery than the other

In today's smartphone, processors are producing more heat than the handsets before 3 or 4 generations. Usually not located next to any battery, it can add temperate to the modern smartphone, which can make it more difficult to move the heating area away from the battery.

We should clarify that Samsung has indicated that this is a battery which is a mistake in Galaxy Note 7 and there is no part of the handset. It does not seem that the Galaxy Note 7 has been built in such a way that it is causing too much heat so that it is unsafe to paste the battery inside. Instead, it is more likely that Samsung is not competing properly with only a small percentage of the battery purchased or during charging. Neither by matching the necessary charging specifications or coming from a defective batch

Protecting yourself

Without knowing exactly what is causing issues with Samsung’s Galaxy Note 7, we can’t say precisely how to avoid potential problems. However, there are some general tips to follow that can help protect yourself and your device from catastrophe. General warning signs that your battery is damaged and could explode include a hissing sound, popping, or swelling.
  • Stop charging your phone it if becomes too hot. Allow your phone to cool down before charging it again and make sure that you don’t cover your phone to let heat escape properly.
  • Stick to first-party chargers. Use the charger included in the box to make sure that your phone is receiving the optimal voltage and current. If you’re using a phone with a USB Type-C port or Quick Charge, it might be wise to stick with the cable that came in the box too.
  • Don’t charge your phone in bed. I know it’s very tempting to watch a video or read before you fall asleep, but you don’t want to roll over on your phone and have it overheat. Not to mention that leaving your phone under a pillow while it charges will cause it to heat up.
  • Be mindful of where you charge your phone. Avoid charging for long periods of time in really hot places, such leaving your phone on a car dashboard, next to a radiator, or in direct sunlight on hot days.
If you do happen to notice your battery swelling, unplug your phone and remove the battery, but only if the battery is user removable. Don’t attempt to dispose of the battery or device in the trash. Always get rid of your batteries at authorised disposal facilities or some electronics retailers, such as Best Buy, that offer battery recycling services.


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