Notes on the preservation and maintenance of lithium batteries

The self-discharge of lithium primary batteries is very low and can be stored for 3 years. If stored under refrigerated conditions, the effect will be better. It is a good way to store the lithium primary battery in a low temperature place. Lithium batteries can be stored for more than half a year at 20°C because of their low self-discharge rate and most of the capacity can be recovered. The self-discharge phenomenon of lithium batteries, if the battery voltage is kept below 3.6V for a long time, it will cause the battery to over-discharge and destroy the internal structure of the battery and reduce the battery life. Therefore, long-term storage of lithium batteries should be recharged every 3 to 6 months, that is, to charge to a voltage of 3.8 to 3.9V (the best storage voltage of lithium batteries is about 3.85V), and should not overflow. Lithium batteries have a wide application temperature range. They can still be used outdoors in winter in the north, but the capacity will decrease a lot. If they return to room temperature, the capacity can be restored. Precautions Lithium primary battery: Unlike lithium batteries, it cannot be charged and it is very dangerous to charge. Other matters needing attention are equivalent to those of lithium batteries. Maintenance instructions must not be higher than the maximum charging voltage when charging, and not lower than the minimum working voltage when discharging. Lithium batteries must be kept above the minimum operating voltage at any time. Overdischarge or self-discharge reactions at low voltages will cause damage to the analysis of lithium ion active materials, which may not necessarily be restored. Any form of overcharging of lithium batteries will cause serious damage to battery performance and even explosion. Lithium batteries must be guarded against overcharging during the charging process. Don't often deep discharge and deep charge. However, after about 30 charging cycles, the battery test chip will automatically perform a deep discharge and deep charge to accurately assess the battery's status. Beware of high temperature, which may shorten the life span, or cause an explosion in severe cases. If possible, store in the refrigerator. If the notebook computer is using AC power, please remove the lithium battery bar to avoid the heat generated by the computer. Be wary of freezing, but the freezing point of most lithium battery electrolyte solutions is -40 ℃, which is not easy to freeze. If it is not used for a long time, please store it with a charge of 40% to 60%. When the battery is too low, it may be over-discharged due to self-discharge. Since lithium batteries will naturally age when they are not in use, they should be purchased according to the actual quantity and should not be purchased too much. Disclaimer: Some pictures and content of the articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Are there any differences between polymer lithium battery and 18650?