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Why mobile phone battery is not durable in winter?

72 views Yuda Electronic (HK) Technology Co.,Limited. 2018-05-15

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Have you ever encountered this kind of situation? The battery that is usually very durable has been declining in the winter. Many people may have encountered the problem that batteries are not particularly durable when using mobile phones in winter or in cold environments. A mobile phone could have been used for 8 hours. Why can it only take six hours in the winter? Why mobile phone battery is not durable in winter?

Through the data and testing of the battery, we discovered a secret about cell phone batteries – in a cold environment, the capacity of the battery is reduced!

This is indeed true. Generally, the battery labeled capacity of our mobile phone, such as 3000 mAh, is only a theoretical value. It is generally measured in an ideal condition in a 25°C environment. However, in reality, the capacity of the battery is greatly influenced by the temperature.mobile phone battery is not durable in winter

At present, the cell phone batteries we use are generally lithium batteries, which are composed of a positive electrode, a negative electrode, and an electrolyte between the positive and negative electrodes. When the battery discharges, the negative electrode precipitates lithium ions through a chemical reaction and moves through the dielectric to the positive electrode. At this time, the positive electrode is in a lithium-rich state and the negative electrode is in a lithium-depleted state. During the movement of lithium ions, the generated electrons move to generate a current.

The temperature affects the speed of the chemical reaction of the battery. The excessively low temperature causes the chemical reaction of the lithium battery to be slow, and therefore the discharge current becomes smaller, which directly leads to a decrease in the available capacity of the battery.

Therefore, many times we mistakenly thought that lithium batteries in the winter to speed up the release point, in fact, the nature of the lithium battery itself is reduced battery capacity.

If you want to know more mobile phone accessories manufacturers, original mobile phone battery wholesale information, contact us by E-mail inquiry@yudaelectronic.com or send me an inquiry.

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