-How is it safer to use lithium batteries?

How is it safer to use lithium batteries?
author:enerbyte source:本站 click286 Release date: 2023-11-28 08:40:24
abstract:
1. Do not contact the positive and negative poles of lithium-ion batteries with metal objects during use, and keep them away from metal objects and places with high temperatures to avoid short circuits in lithium-ion batteries. 2. When not in use for a long time, lithium-ion...

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1. Do not contact the positive and negative poles of lithium-ion batteries with metal objects during use, and keep them away from metal objects and places with high temperatures to avoid short circuits in lithium-ion batteries.

2. When not in use for a long time, lithium-ion batteries should be stored in a low temperature, dry environment, away from heat sources, and not in direct sunlight; It is generally believed that about 40% of the battery should be charged and stored at a temperature of 10-30 degrees Celsius, and recharged every six months or so.

3. Before charging and discharging lithium batteries, it is recommended to first check the voltage of each cell in the battery; The voltage of the battery cell within one month of leaving the factory is about 3.8V. The maximum limit voltage that the battery cell can withstand is 4.25V, and the minimum limit voltage is 2.75V. When the battery voltage is higher than 4.25V or lower than 2.75V, it may cause damage to the charging and discharging performance and safety performance of the battery cell, which may lead to heating, leakage, and gas expansion.

4. Lithium ion batteries are different from nickel chromium and nickel hydrogen batteries because they have a very bad aging characteristic, which is that even if they are not recycled after being stored for a period of time, some of their capacity will be permanently lost. Lithium ion batteries should be fully charged before storage to reduce capacity loss, and the aging rate varies under different temperatures and battery levels.

5. During the charging process, it is not advisable to overcharge or discharge the device. We often like to charge the device for a while after it is fully charged, so that our device can withstand it for a longer time. Long term overcharging and discharging can cause serious damage and damage to the performance of lithium-ion batteries, and in severe cases, it can lead to extreme situations such as explosions. Therefore, it is good to fully charge lithium-ion batteries.

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