-Analyze the correct maintenance method of lithium-ion battery

Analyze the correct maintenance method of lithium-ion battery
author:enerbyte source:本站 click356 Release date: 2023-02-16 11:13:31
abstract:
1、 Charge in time 1. The lithium-ion battery is generally in a half-charged state when leaving the factory. When riding for the first time, it is best to overflow the battery. On the one hand, self-discharge will reduce the charge of the lithium-ion battery, and activate th...

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1、 Charge in time

1. The lithium-ion battery is generally in a half-charged state when leaving the factory. When riding for the first time, it is best to overflow the battery. On the one hand, self-discharge will reduce the charge of the lithium-ion battery, and activate the active substances in it.

2. Do not use up the lithium ion battery every time you ride. Long-term over-discharge will reduce the battery life by three times. When there is a prompt of low power during electric vehicle riding, stop riding decisively.

2、 Charging time

1. The lithium ion battery is effective at any time, even if there is 50% of the power before charging, it doesn't matter. This is because it is different from the nickel hydrogen battery, which has memory effect, but the lithium ion battery does not. However, it should be noted that lithium ion batteries cannot be over-discharged, which will cause irreversible capacity loss. When the machine reminds that the battery is low, it should start charging immediately.

2. Never overcharge. When the charging completion indicator is on, stop charging. If the battery is not used for a long time, it should be taken out of the instrument and stored in a dry and cool place, and should be recharged within 60~90 days to avoid too long storage time. The lithium ion battery is too low due to self-discharge, resulting in irreversible capacity loss, because the best storage state of the lithium ion battery is semi-electric storage.

3、 Charging to compensate for self-discharge

If the lithium-ion battery is not used for a long time, it should be taken out of the instrument and stored in a dry and cool place, and should be recharged within 60~90 days, so as to avoid too long storage time, and the battery will be too low due to self-discharge, resulting in irreversible capacity loss, because the best storage state of the lithium-ion battery is semi-electric storage (that is, storage between 40% and 60% of the nominal capacity of the battery). We understand that the maximum voltage of the lithium-ion battery is 4.2V, so, The storage voltage is preferably between 3.8V and 3.9V, and the capacity is basically half.

4、 Use the original charger

Try to use the original lithium-ion battery charger for charging. The original charger has strong supporting performance and moderate charging rate. At present, there are some fast charging piles. It is suggested that we should not use more. It is understandable to use them once or twice in a year. Excessive current charging also causes great damage to the internal structure of the battery.

5、 Storage temperature environment

The temperature environment is wide, ranging from - 20 ℃ to 55 ℃, but in fact, the most suitable temperature is room temperature. From the perspective of aging, temperature may be the key reason for the gradual decline of lithium ion battery capacity.

6、 Strictly observe the precautions in the manual

When the lithium-ion battery is idle, it should be placed in a cool and ventilated place. Be on guard against high temperature, gentle and humid. Try to be on guard against riding in rainy days. Even when riding, it should be well protected to prevent the lithium-ion battery from entering water. Do not knock, prick, step on, refit, sun the battery, and do not place the battery in microwave, high-voltage and other environments.

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