Service life of refurbished battery

The life that sees electric car it depends on above all what, the car that just as its name implies is electric drive, can open of bright will see this electricity has how many, electric quantity is enough not enough.

Although compared with the traditional fuel oil vehicle, the charge cost of electric vehicle is low, but because of the high price of electric vehicle itself, and the battery life is relatively not long, the replacement of the battery will also be a huge expense, so the cost barrier "battery maintenance has become the" roadblock "for the popularization of electric vehicle. For an electric car, more natural range brings more convenience, and more range means less frequent charging.

The life of an electric car, however, depends on the motor. Drive motor is different, its cost is also very different, if the use of dc brush motor, vehicle power supply can be directly supplied to the motor, using this motor thyristor controller chopper mode speed.

What is the design life of electric vehicle battery?

Battery life includes dry storage life and wet storage life. These two concepts are only for the self-discharge size of the battery, not the actual life of the battery. The real life of a battery is how long the battery actually lasts.

For primary batteries, battery life is characterized by the operating time of the given rated capacity (which is related to the discharge rate).

For secondary batteries, battery life is divided into charge and discharge cycle life and wet use life two kinds.

Cycle life of charge and discharge is an important parameter to measure the performance of secondary batteries. It undergoes a charge and discharge called a cycle (or cycle). Under a certain charging and discharging system, the number of times the battery can withstand charging and discharging before the battery capacity drops to a certain specified value is called the cycle life of the secondary battery. The longer the cycle life, the better the battery performance. Among the commonly used secondary batteries, the cycle life of battery is 500 ~ 800 times, lead-acid battery 200 ~ 500 times, lithium ion battery 600 ~ 1000 times, and zinc-silver battery is very short, about 100 times.

The cycle life of secondary battery is related to discharge depth, temperature and charging and discharging mode. The "discharge depth" is the percentage of the capacity released by the battery as a percentage of the rated capacity. The cycle life of the secondary battery can be greatly extended by reducing the discharge depth (" shallow discharge ").

Wet use life is also an important parameter to measure the performance of secondary batteries. It refers to the time when the battery begins to conduct charging and discharging cycle until the end of charging and discharging cycle life after the electrolyte is added (including the time when the battery is in the discharge state of wet shelving in the charging and discharging cycle). The longer the wet use life, the better the battery performance. Among the commonly used batteries, the wet shelf-life of the nickel-cadmium battery is 2-3 years, that of the lead-acid battery is 3-5 years, that of the lithium-ion battery is 5-8 years, and that of the zinc-silver battery is only about 1 year.

In addition, the performance of the battery: low temperature performance, overcharge resistance, safety performance.

In recent years, the sales of new energy vehicles in China have exploded, and the number of power batteries that exceed the warranty period also shows a growing trend. At present, the battery warranty period of new energy vehicles on the market, including BYD, has reached or even exceeded the battery warranty period of new energy tax-free models. Take BYD Qin as an example, at present, the factory party gives "6 years or 150,000km warranty for the whole car and the battery cell lifetime warranty", while roe50 provides 3 years 100,000km warranty for the whole car, and specially provides 5 years 100,000km warranty for the battery and other core components, for its part, is offering a five-year, unlimited range of E150ev batteries.

How to maintain the electric vehicle in daily use?

So how do you maintain it when you drive everyday, or make it last longer?

Avoid large current output

The first is to avoid large current output, vernacular is to step on the accelerator to the bottom, it of course is called the switch.

The instantaneous high flow rate will produce lead sulfate crystals, which will damage the physical properties of the battery plate and accelerate the battery attenuation.

It's kind of like the carbon footprint of a car, the carbon footprint of a gasoline car, but the carbon footprint is going to clear, and it's not going to clear.

Avoid excessive discharge

Another is to avoid excessive discharge, the vernacular is not to use it completely, and then to charge.

Lithium batteries are best at 30 to 80 percent charge and have the longest life.

Then we usually open when we have to take a look, do not use the place to stop and drag away to charge, this is the injury of the battery.

Don't overcharge

When charging should also pay attention to do not overcharge, the use of mobile phone friends should understand that overcharge battery will heat, and then battery life will be shortened.

General electric cars to fast charge, 1 to 1 1/2 hours, slow charge for 6 to 12 hours.

100,000 kilometers is definitely ok

The life of that electric car is probably so, your wool calculates calculate is 100 thousand kilometers to be sure to be protected prison is no problem.

The first 3 years open is cool for certain, the time when waiting for the 6th year is electric quantity estimation is not as sufficient as before, this strength is likely how many still can have an effect.

So this is to give you as a reference, after all, it is a future trend, although there are shortcomings, but it is a good seedling.

Why don't some people buy new energy cars even if they have money?

Now, there are some problems related to new energy vehicles that we haven't talked about today, such as why some people don't buy new energy vehicles even if they have money. Even if he's an environmentalist.

Bought a new energy car parked will be broken, that our general gasoline car parked, it will not be broken?

Or I'm going on a business trip, I'm going abroad, or whatever, the car won't be running these days.

Will the underground garage break down if it is locked and left there for a long time? Or how long will it last before it breaks?

These questions just now when I search information by the way all down, also put it into the article.

Key words: parking

If you are interested to know about it, may wish to pay attention to my public number "four-wheel said car", directly reply to the keyword "parking" on it.

I this public number every day will give you a paragraph of more than 800 words of the car practical small dry goods

Want to know why the new energy electric cars are easy to buy people? How long will it take me to park my car over there before it breaks down? Very simple.

Mobile phone open WeChat search public number "four-wheel said car", reply key words "parking" on it, "four-wheel said car", you come to play oh.

The page contains the contents of the machine translation.