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How to charge the lithium ion power battery

How to charge the lithium ion power battery

When using lithium ion power battery, it should be noted that the battery will enter the sleep state after being placed for a period of time. At this time, the capacity is lower than the normal value, and the service time will also be shortened. However, lithium-ion power battery is easy to activate. After 3-5 normal charging and discharging cycles, it can activate the battery and restore its normal capacity. Due to the characteristics of lithium battery itself, it has almost no memory effect. Therefore, users do not need special methods and devices during the activation of new lithium batteries. Not only in theory, but also in practice, it is better to use the standard method of charging from the beginning, which is a "natural activation" method.

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Application of lithium ion power battery

Application of lithium ion power battery

With the development of microelectronics technology in the 20th century, the number of miniaturized equipment is increasing, which puts forward high requirements for power supply. Lithium ion power battery has entered the large-scale practical stage. It can be used in cardiac pacemaker at early stage. Because the self discharge rate of lithium ion power battery is extremely low, the discharge voltage is gentle. It is possible to implant pacemaker into human body for long-term use.

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Component performance of lithium ion power battery

Component performance of lithium ion power battery

(1) The open circuit voltage of the battery (2) the internal resistance of the battery (3) the working voltage of the battery (4) the charging voltage The charging voltage refers to the voltage applied by the external power supply to both ends of the battery when the secondary battery is charging. The basic charging methods are constant current charging and constant voltage charging. Generally, constant current charging is adopted, which is characterized by constant charging current during charging. With the charging process, the active substance is recovered, the electrode reaction area is continuously reduced, and the polarization of the motor is gradually increased.

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What is a low temperature lithium battery?

What is a low temperature lithium battery?

Low temperature lithium battery is a kind of lithium metal battery, and its operating temperature is - 20 ° C to 60 ° C. It can work normally at low temperature, but its charging and discharging efficiency is low. It has the advantages of small volume, high specific energy, good cycle performance and low cost.

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Storage method of lithium ion power battery

Storage method of lithium ion power battery

The lithium ion power battery shall be stored after being fully charged. It can be stored for more than half a year at 20 ℃, which shows that lithium ion power battery is suitable for storage at low temperature. It was once suggested that rechargeable batteries should be stored in the refrigerator, which is really a good idea. Lithium ion power battery has self discharge phenomenon. Long time storage will lead to over discharge of the battery, which will damage the internal structure of the battery and reduce the battery life. Therefore, the long-term stored lithium ion power battery should be recharged every 3-6 months, that is, it is appropriate to charge to a voltage of 3.8~3.9 V (the storage voltage of the lithium battery is about 3.85 V).

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Five factors affecting the life of lithium battery

Five factors affecting the life of lithium battery

Lithium ion batteries are widely used in electric vehicles, aircraft models, stabilizers and other equipment due to their high energy density, long cycle life, moderate manufacturing cost and low environmental pollution. What are the five factors that affect the life of lithium batteries?

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