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At present, electric vehicles are a common means of transportation for people to travel. With the increasingly high national standards for environmental protection, the new national standard electric vehicles are equipped with lithium-ion batteries as power energy. Compared with other batteries, lithium-ion batteries have unique advantages. Lithium ion batteries have the characteristics of light weight, high power consumption and long cycle life. But at the same time, compared with other batteries, the use of lithium-ion batteries is very different from the later maintenance. At this time, if we do not use the lithium-ion batteries correctly or pay attention to the later maintenance, it is likely to shorten the service life of the lithium-ion batteries. How can we properly carry out the later maintenance of the lithium-ion batteries to ensure the service life of the lithium-ion batteries for electric vehicles?

Several misunderstandings about batteries in the process of using electric vehicles

Myth 1: Recharge after using up the battery

In the process of using an electric vehicle, the residual power of the electric vehicle is occasionally not estimated. Excessive driving leads to complete inability to drive. At this time, whether it is lead-acid battery or lithium-ion battery, the damage is very serious

In this case, the damage of lead-acid batteries may be greater than that of lithium-ion batteries, because lithium-ion batteries have protective circuits to protect the batteries from excessive discharge,

However, lead-acid batteries do not have protective circuits, so even in the state of empty power, lead-acid batteries can still provide weak power, so it gives us a false impression that we can continue to use, resulting in increased over-discharge.

The lithium-ion battery has a protection circuit. When the protection circuit is triggered, the battery will directly cut off the output of the power supply. However, frequent deep discharge will aggravate the imbalance of the battery and directly affect the service life of the battery.

This habit should be prevented as much as possible. You must reserve 10% of the power of the lithium-ion battery before you start charging the battery unless you have to,

Myth 2: Frequently use fast charging

Generally, fast charging is achieved by increasing the charging current, but current technologies, whether lead-acid batteries or lithium-ion batteries, do not have the ability to charge with large current. Excessive current will cause chemical and irrational reactions in the battery, accelerate the aging of lithium-ion batteries, and lead acid batteries may directly appear bulge.

Mistake 3: Do not use the charger as required, or mix battery chargers

All electric vehicles have suitable battery chargers, which must be used to charge the battery. The charger should not only match the lithium-ion battery, but also match the current of the charger with the nuclear battery. It is better to make the charger special for the car.

Correct use of lithium-ion batteries for electric vehicles

● Timely charging

In the state of daily commuting, charge in time to keep the lithium ion battery saturated to supply power to the motor and prevent excessive discharge during use. If there is a plan for a long time, if it is not used for more than 3 months, it can keep the power of the lithium-ion battery at 30% - 50%. It is not necessary to store the battery fully.

● Timing of charging

The lithium-ion battery has no memory effect. Generally, the lithium-ion battery can be charged at any time. In normal use, when the battery power is less than 30%, the lithium-ion battery should be charged.

● Charging environment, temperature and humidity

To ensure safety, lithium-ion batteries of electric vehicles should be charged in a dry, ventilated and cool environment. Do not charge the battery in the sun or wet environment.

● Timely clean up and eliminate hidden dangers

When you do not use an electric car in your daily life, in addition to cleaning the electric car, you should also remove the dust and dirt on the electric bottle cap in time, keep it dry and clean, and prevent the battery from self-discharging and causing safety hazards due to improper contact.

Summary: The above are some problems to be paid attention to in the use of lithium-ion batteries for electric vehicles. Only by mastering these skills can the service life of lithium-ion batteries for electric vehicles be longer!

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