Lithium battery charging method for electric vehicles

Lithium battery charging and maintenance methods for electric vehicles:

.1, Charge according to the standard time and procedure, even if it is the first three times.

2, when the electric car driving process lithium batteries appear to be too low, should be charged lithium batteries as soon as possible.

3, lithium battery Electric Vehicle Activation does not require a special method to run lithium in an electric vehicle The battery will activate naturally.

4, the car is equipped with a special charger for charging, first plug the charger output plug into the battery charging socket and then insert the charger plug into the market electric plug hole, observe the indicator light for charging determination (general red light indicates charging, green light indicates basic sufficient electricity, discharge more, The longer the charging time).

5, the charger indicator light turns green and then charge about 1-2 hours, you can stop charging work.

Lithium trams use lithium-ion batteries that are environmentally friendly and light, with outstanding features such as large capacity, long life, no maintenance, light weight, and no pollution. At the same time, the service life of lithium-electric battery is closely related to your correct use. According to the characteristics of lithium-electric battery, this article talks about the use and maintenance of battery for reference.

The new car you purchased is in a semi-electric state for safe transport. Before you ride, you must first fully charge the battery and use it again. The initial charging time is not less than 10 hours. (Note: Use the car's dedicated charger for charging. When the charging indicator is green, please continue charging. )

Don't run out of batteries every time you ride. If you run out, you will greatly reduce the battery's life span. Remember that! Hey! Because lithium batteries have no memory effect, they can be charged at any time. So you need to develop the good habit of charging in time, so that the battery life can be extended 3-5 times.

At the same time, the battery life is also affected by the environment. The operating temperature of the product is in the range of -20 °C to 60 °C. Too high temperature will affect its service life, and if it is too low, it will reduce the effective capacity by 20-30 % (affecting the range).

It is strictly forbidden for batteries to be rained or immersed in water.

If you do not use the battery for a long time, please charge it once within 90 days. It is forbidden to lose power. Once the battery voltage reaches the over-discharge state, it will cause great damage to the battery and can not be restored.

Before using a cell, be sure to read the WST Lithium-ion Battery Practice Note on the cell case.

And now the low price of lithium batteries is not a myth, the cost of a good lithium-electric car is good. The four ministries and commissions of the country issued a document to regulate the electric vehicle market, which will surely make the rapid development of lithium electric vehicles, so it will be very convenient to equip batteries.

1 \Battery can not be filled with empty. If it is filled again, the battery capacity will decrease by 2 %.

2 \If convenient, it can be refilled when used to 70 %.

3 \Charge must be sufficient, 2 hours after changing the light, but never more than 12 hours.

4 \ Usually charging can be based on the actual time spent charging, such as charging later, using the same power beyond the usual charging time is too long, to timely power off, check batteries and chargers to prevent batteries from being recharged.

5 \If long-term use, it is best to be sufficient once in 20 days, not low voltage storage.

6 \Don't use someone else's charger to charge at will. If the voltage and interface are different, it can damage the battery.

1, how to charge the new battery

In the use of lithium batteries, it should be noted that after the battery is placed for a period of time, it enters a dormant state. At this time, the capacity is lower than normal, and the service time is also shortened. But lithium-ion batteries look good.

Easy to activate, as long as the battery can be activated after 3-5 normal charge and discharge cycle, restore normal capacity. Due to the characteristics of the lithium battery itself, it is determined that it has almost no memory effect.

Therefore, the new lithium battery in the user's mobile phone does not require special methods and equipment during the activation process. Not only in theory, but in my own practice, from the very beginning.

Charging by standard means is the best way to "naturally activate".

For the "activation" of lithium batteries, there are many arguments: The charging time must be more than 12 hours, repeated three times to activate the battery. This "first three charges should be filled

"More than 12 hours" is obviously a continuation of nickel batteries (such as nickel cadmium and nickel hydrogen). So this statement can be said to be misrepresented at the beginning. Lithium and nickel batteries

The charge-discharge characteristics are very different, and it is very clear that all the serious formal technical information I have consulted emphasizes that charge-discharge will have a positive effect on lithium

Pools, especially liquid lithium-ion batteries, cause great damage. Therefore, charging is best done according to standard time and standard methods, especially without overcharging for more than 12 hours

And ... In general, the charging method described in the mobile phone manual is a standard charging method suitable for the mobile phone.

In addition, lithium cell phones or chargers will automatically stop charging after the battery is full, and there is no so-called "trickle-down" charging of nickel-electric chargers that lasts for more than 10 hours. Which means ...

If your lithium-ion battery is filled, it will be on the charger for nothing. Neither of us can guarantee that the characteristics of the battery's charge-discharge protection circuit will never change and the quality will be foolproof.

So your battery will be on the edge of danger for a long time. This is another reason why we oppose long charging.

In addition, after charging for some mobile phones for a certain period of time, if the charger is not removed, the system will not only stop charging, but will also start the discharges and charges cycle. maybe

The manufacturers of this practice have their own purposes, but it is obviously detrimental to the life of batteries and cellphones / chargers. At the same time, long charging takes a long time and often takes place at night.

According to the situation of China's power grid, the voltage at night in many places is relatively high and fluctuating. As we have said, lithium batteries are delicate and more resistant to charge and discharge than nickel

The ability to fluctuate is much worse, and this poses additional risks.

In addition, another aspect that can not be ignored is that lithium batteries are also not suitable for over-discharge, and over-discharge is also very unfavorable to lithium batteries. This leads to the following questions.

2, when should the charging start in normal use

This is often seen in our forum, because the number of charge and discharge is limited, so the power of the cell phone battery should be recharged as much as possible. But I'm looking.

To an experimental table on the charge and discharge cycle of lithium-ion batteries, the data on the cycle life are listed below:

Cycle life (10 <UNK> DOD): & GT; 1,000 times.

Cycle life (100 <UNK> DOD): & GT; 200 times

The DOD is an English abbreviation for discharge depth. From the table, it can be seen that the number of rechargeable times is related to the discharge depth, and the cyclic life of 10 <UNK> DOD is much longer than that of 100 <UNK> DOD. of course

If the relative total capacity of the actual charge is: 10 <UNK> * 1000 = 100, 100 <UNK> * 200 = 200, the latter's full charge discharge is still better, but the previous Netizen's statement is to

Make some corrections: Under normal circumstances, you should be recharged on a reserved basis, using up the rest of the battery, but if your battery is not expected to hold on to the entire battery on the next day

During the day, you should start charging in time, of course, if you want to carry a charger to the office.

And when you need to recharge to cope with an important event that is expected to lead to busy communication, even when the battery has a lot of power, then you just charge ahead.

Because you don't really lose "1" recharging cycle life, which is "0.x" times, and often this X will be small.

The principle of recharging the battery after it's used up is not to go to extremes. A saying that is as widespread as long charging is that "try to run out of cell phone batteries.

It is best to use automatic shutdown. " This practice is actually just a nickel battery practice. The purpose is to avoid the memory effect. Unfortunately, it is also circulating on lithium batteries. Used to.

After the warning that the battery of the mobile phone is too low, it still does not charge and continues to use the example of automatic shutdown. As a result, the cell phone in this example was later charged and turned on.

No response, had to send customer service overhaul. This is actually because the battery is too low due to excessive discharge, so that it does not have normal charging and boot conditions.

3, the correct approach to lithium battery mobile phone

To sum up, my most important reminder of the charge and discharge problem of lithium battery phones in use is:

1, according to the standard time and program charging, even if it is the first three times to do so;

2, when the mobile phone electricity is too low prompt, should start charging as soon as possible;

3, Lithium batteries do not require special methods for activation. Lithium batteries will naturally activate during normal use of mobile phones. If you insist on activating with the "first three 12-hour charges"

The method, in fact, will not be effective.

Therefore, all the pursuit of 12 hours of ultra-long charging and the use of lithium battery phone automatic shutdown is wrong. If you 've done it the wrong way,

Please correct it in time, perhaps it is not too late.

Of course, in the case of good quality of the mobile phone and charger protection and control circuit, the protection of the lithium battery is quite guaranteed. So the understanding of the charging rules is the key point, and in some cases it is also possible to make some concessions. For example, if you find that the phone must be charged before you go to sleep at night, you can also start charging before going to bed. The point is that you should know what the right approach is and don't deliberately follow the wrong way.

The page contains the contents of the machine translation.