From：CTECHI GROUP Limited Release time：2019-02-21
Overview：Most of the batteries used in mobile phones today are lithium batteries, which operate in the same way as the batteries first appeared 200 years ago: one end of the battery is lithium, the other end is usually carbon, and the middle is an electrolyte solution through which lithium ions travel back and forth.
Why does the battery last shorter and shorter nowadays?
1. Characteristics of lithium batteries
Most of the batteries used in mobile phones today are lithium batteries, which operate in the same way as the batteries first appeared 200 years ago: one end of the battery is lithium, the other end is usually carbon, and the middle is an electrolyte solution through which lithium ions travel back and forth.
The biggest characteristic of lithium batteries is that they can be used at will. When they want to charge, they can be charged, and when they want to unplug the power supply, they can be unplugged.
In the early years, nickel-cadmium batteries had many rules, such as what to "recharge" and what to "use a new cell phone to recharge without electricity".
2. Lifetime of Lithium Batteries
The life of lithium batteries is affected by the "charging and discharging cycle". Generally speaking, the charging and discharging cycle of a lithium battery is 300 to 500 times. Consumption of the charging and discharging cycle means that the life of lithium batteries has come to an end.
3. What is the life cycle?
Take 600 mA lithium battery as an example, the first charge from 0 mA to 400 mA, using N mA; then charge 150 mA, then use N mA; finally charge 100 mA, when the last charge to 50 mA, the battery's charging cycle will come. (400 + 150 + 50 = 600)
If a cell phone uses half of its power, then fills it up, and the next day uses half of its power, and then fills it up again, then the two days consume a "charge cycle" instead of two. So you can combine your charging habits to figure out how long your cell phone battery can last.
Generally speaking, the battery life of a mobile phone will end in three or four years under normal use. At that time, the battery of the mobile phone will consume electricity faster, or frequently restart and shut down.
If used improperly, the battery life will be shorter, so it is also important to use the mobile phone correctly and reasonably.
Today, lithium batteries exist in mobile phones, cars, digital cameras, electronic cigarettes, power tools, ships and spaceships, and Mars Rovers Curiosity.
Scientists and engineers are working hard to build batteries that store more energy, have longer life, are smaller, are cheaper, and are more environmentally friendly. Let's wait and see.
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