Saturday 17 October 2015

Do you know why Mobile Phone batteries have Three or Four Terminals ??



All Batteries (DC Sources) have 2 terminals, One for Positive Polarity (+) and Second for Negative Polarity (-) But in most of mobile phone batteries , there are three terminals or four .  why ?

The reason is hidden in the Material which is used to make such batteries. Most of the mobile phone batteries are made of Lithium-ion and Carbon, The mixture of the carbon and Lithium is highly explosive in respect of temperature. Even more than LPG gas mixed with air.
Hence the extra terminals are used to sense the temperature of battery, during charging.
According to present temperature of battery, the appropriate amount of current is supplied to the battery. Hence this is the reason that these batteries have more than two terminals and so they rarely blast.
So guyzzz, Stay Tuned !


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Author 
RAHUL VERMA

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