What should I pay attention to in the battery life of new energy vehicles in winter?

1. The shortening of the cruising range in winter is related to the charging environment temperature.

In winter, many car owners will encounter such a situation: yesterday there was 90% electricity, after a night, found that the power declined seriously, this is because in the low temperature environment, the activity of the power battery electrode material is reduced, the lower the temperature of the chemical material, the worse the activity of the material, and the battery storage power will decrease. But you don't have to worry, this is the normal attribute of the power battery, when the temperature returns to normal temperature, the battery storage power will decay and decrease.

Therefore, if you can go to an underground parking lot or garage to park and charge, or you can charge it when it is relatively warm during the day, this will help improve battery activity and reduce the loss of range. Of course, many mid-to-high-end electric vehicles now have a battery temperature control management system to withstand the lower temperatures in winter.

2. Charge in time and charge at any time.

Before charging, check the vehicle charging port, ensure that the use environment is ventilated and dry, and charge the car in time after each use of the new energy electric vehicle to avoid power loss, which will affect the car and the battery to cause damage. In addition, charging in time after use can also reduce the battery warm-up time, because the temperature of the battery is relatively high after the vehicle is used, and it can also improve the charging efficiency. Remember, do not charge the battery for a long time, but charge the battery correctly and reasonably according to the actual situation of the vehicle and the frequency of use, otherwise the service life of the battery will be shortened.

3. Plan your itinerary in advance.

How to make new energy vehicles better serve us and avoid the problem of breaking down halfway due to insufficient battery life, it is very important to plan the route in advance. At present, the actual cruising range of the mainstream of new energy vehicles is between 300 kilometers and 500 kilometers, therefore, under your car conditions, under the frequency of use, a charge can meet your needs for many times, only by calculating this demand can electric vehicles serve you with peace of mind anytime and anywhere.

4. Reasonable tire pressure and tire cleaning.

Every winter, when the temperature drops, the rubber tires of the car will become hard and brittle, and the air pressure will be too low to produce soft tires, and the soft tires will accelerate aging at low temperatures, intensify the friction with the ground, and reduce the service life of the tires. If the tire pressure is too high, it will be easy to puncture the tire and affect the driving. In addition, we have to clean the tread inclusions frequently.

5. Develop good driving habits.

Driving habits are more extensive, in new energy vehicles, due to the explosive particularity of the output horsepower of the electric motor, usually our driving will have a certain impact on the mileage, so the driving should be as smooth as possible, to avoid emergency acceleration, emergency braking and other rough driving methods. If you don't drive the vehicle in winter, you can fully charge the battery in advance and ensure that the battery is charged every once in a while to ensure the activity of the battery. All in all, the use of new energy vehicles in winter is insufficient compared with fuel vehicles.

Don't drive at a loss of power, charge it in time.

Come and check Why the winter battery life of new energy vehicles has been shortened At present, there are two main types of power batteries used in new energy vehicles: ternary lithium batteries and lithium iron phosphate batteries.

New energy vehicles. New energy vehicles are now generally subject to battery technology, so the nominal battery life is measured without the use of electrical appliances. The battery life of more than 400 itself is very small, and then when it is cold, the battery needs to be insulated, and the cockpit needs to be heated, which all require electricity.

So it's normal for the battery life to decrease.

At present, new energy vehicles mainly refer to new energy electric vehicles.

The power of the car is the power battery pack inside the car body, which is mainly encapsulated with lithium compounds. The battery can be converted to chemical energy.

Converted to electrical energy. Ternary lithium batteries or lithium iron phosphate batteries that produce chemical energy.

The energy produced by the material itself is also different due to the influence of temperature changes. In short, it prefers constant temperature (20 degrees) and is afraid of high and low temperatures. At low temperatures, this type of battery is affected by low temperatures, the material activity is reduced, and the energy produced is also reduced.

In winter, the range of many electric vehicles will generally be reduced by 20%-30%, and some of them will be reduced by more than half. The best operating temperature for new energy batteries is 25 degrees Celsius.

The lower the temperature, the battery level decay will decline in a stepwise manner, like this year's cold wave.

The average temperature in Lacha is minus temperature, and the battery attenuation range may be 20%. The main reason for the decline in the endurance of new energy vehicles is the reduction of the activity of the power battery in the low temperature environment, the reduction of the net discharge rate of the battery, and the impact on the battery capacity.

, resulting in a large difference between the marked mileage and the actual mileage.

In winter, the main reason for the serious decline in the range of new energy vehicles is that the weather is too cold. In relatively cold weather, since new energy vehicles mainly rely on battery packs, batteries have a characteristic, that is, in cold weather, power consumption will increase, and the charging speed will be very slow. These problems have affected the development of new energy vehicles.

Vehicle energy consumption refers to the energy required by the vehicle during driving. Comrades in the North can imagine two different sensations: driving a tram in the warm spring and driving a tram in the cold winter.

The most intuitive thing is that when the winter is cold, you have to turn on the air conditioner, which will increase energy consumption. The colder the weather, the greater the energy consumption of the vehicle. That's why electric vehicles are in the northeast region of China.

The reason for the seldom use is to play it.

Lithium batteries have an impact on the range in the cold winter.

Lithium-ion batteries work on the principle that the electrolyte inside changes through a chemical reaction, and a potential difference occurs at the positive and negative electrodes to produce an electric current. In a low-temperature environment, the electrolyte moves quite slowly, which affects the transfer activity of lithium ions between the positive and negative electrodes, resulting in a decrease in the charging and discharging performance of the battery.

To put it simply, in a low-temperature environment, it is not that the lithium battery is really dead, but that there is power but cannot be released normally. According to analysis data, the capacity of ordinary lithium batteries will be reduced by 20 at zero degrees Celsius, and when it reaches minus 10 degrees Celsius, the capacity may only be about half.

Extended Information: Precautions for Winter Use:

1. Find a warm place to charge.

When the ambient temperature is lower than 0, charge the electric vehicle, and the system will automatically heat the battery cell first, and the cavity is high when the temperature of the battery cell reaches more than 5, and then it really starts charging the vehicle. Some EV owners will feel that the speed of charging an electric vehicle in winter suddenly slows down, which is actually an extra time to heat the battery cells before charging the vehicle.

Therefore, when the car owner usually charges the car, he should try to choose the underground parking lot, closed garage and other places. This helps to improve the activity of the battery, which not only reduces the loss of range, but also improves the efficiency of charging and saves time.

2. Charge the battery for a short time before traveling.

The day before, the electric car was still 60 or 70 percent charged, but the next morning it was only 30 percent or less charged. Some people call this situation "running electricity". In fact, this kind of "running power" is not a failure, but a fault caused by low temperature.

In the process of driving the electric vehicle, the battery is in a state of continuous discharge, the temperature will be relatively high, and the voltage of the battery is relatively high.

However, after being parked at a low temperature for a whole night, the battery has cooled down and the voltage drops, and then the car's system will automatically adjust the displayed power and mileage, which creates a false spring phenomenon of "running electricity". In this case, you generally only need to go out in advance and charge the battery for about 10 minutes.

3. Drive steadily and don't be in a hurry.

When driving an electric vehicle, you should accelerate slowly and avoid intense driving methods such as deceleration, sharp turns, and sudden braking. Good driving habits can effectively reduce the rate at which the battery drains power. The time to start the car should not exceed 5 seconds each time, and the interval between starting again should not be less than 15 seconds.

If the battery mileage drops too much, you should go to the 4S store in time to check the battery of the car, replenish the electrolyte of the battery in time, and adjust the specific gravity of the electrolyte.

The real battery life of new energy vehicles in winter is really not good, mainly because the sun in winter is not enough, so it cannot provide enough energy.

It's not particularly good, if the weather is cold, the car will have a particularly serious power loss, the battery life will be particularly poor, and it will not start.

The battery life is particularly good, and life will also make a person feel particularly warm, and there are many communities that now have charging piles.

How long do electric cars last in winter? Although the new energy vehicle market is very hot, people who have used electric vehicles every winter basically know that the battery life of electric vehicles in winter will be relatively short. Even people who regularly use electric autonomous driving have had similar experiences.

Many electric car drivers will attribute this phenomenon to the hot air conditioning system in winter. I think the relationship between the good Qingkong adjustment and this range gap is negligible.

Introduction to the winter range of new energy vehicles: reasons.

Temperature is basically related to the efficiency of all cars to varying degrees. For pure electric vehicles, at low temperatures, the viscosity of the electrolyte in the battery will increase, which will lead to problems such as increased internal resistance of the battery and slow diffusion of lithium ions, which will eventually affect the reduction of battery discharge power. At this time, friends will feel that the endurance of winter is not as good as that of other seasons.

Don't worry, friends, though. When the temperature becomes warmer, the battery life of the electric vehicle will return to its normal state accordingly.

First of all, it is recommended to restart the socks and start charging, preheat the battery, or choose the low-temperature charging mode to charge the car before traveling; Secondly, in the process of driving, prevent sudden acceleration and sudden braking, and try to maintain a constant speed; Finally, take &ldquo to use and charge. principle, to ensure that the battery is valid and fully charged.

Introduction to the winter range of new energy vehicles: JACIEV5

Range analysis: The JACIEV5 is the fifth generation of JAC's pure electric vehicle, which was officially launched at the Shanghai Auto Show in April 2015. The official cruising range figure is 240 km.

As can be seen from the figure above, Beijing has traveled a total of kilometers in the morning and evening rush hours, the empty switch has been on, there is no violent driving, and the power consumption is 53%. Then, in Beijing, in the extreme cold of November, the range of this model is about 97 kilometers.

About the selling price: JACIEV5 can enjoy the subsidy of 10,000 yuan per national and local government in the 2016 new energy subsidy policy, and the final landing price is 10,000 yuan. Among the many new energy vehicles, the entry ** is less than 90,000 yuan, which is indeed economical.

The above is the question shared by friends today about the winter range of electric vehicles. Nowadays, weighing an excellent electric car is bound to have excellent quality, stable range, extensive charging compatibility and perfect after-sales service, while the stunning exterior and exquisite interior are even negligible.

Millions of car purchase subsidies.

New energy and new energy, pure electric vehicles, winter endurance will definitely be affected by the weather reasons. The cruising range is reduced after the cold and rotten beams are fictitiously modified. Be careful not to use the air conditioner too much.

If you buy an electric car in Beijing 1You must have a car purchase index, and the application conditions are the same as those for applying for ordinary oil vehicles, but the probability of winning the lottery is higher; 2.You have to be clear about which electric vehicles can be subsidized, and make up for Hongtong subsidies to divide national subsidies and local subsidies.

In Beijing, plug-in hybrid models are not subsidized and have a separate lottery, and pure electric vehicles are not restricted; 3.You have to understand in advance whether your community agrees with you to install a personal charging pile, if you don't agree, you have to solve the charging problem first, and then consider whether to buy a new energy vehicle. Next, let's talk about the places to pay attention to when choosing an electric car model:

1.Look at the brand, choose a brand that has been operating electric vehicles for a long time and has a good reputation among friends around, such a brand is generally less credible and may have better quality, such as BYD, BAIC, etc.; 2.Look at the merchants, the merchants who sell electric vehicles should have a certain scale, pay attention to the supporting services of electric vehicles, and ensure that the after-sales service can be guaranteed, such as 4S stores directly operated by major brands, United Electric, etc.; 3.

Look at the model, the current electric vehicles are miniature, ordinary, SUV, etc., mainly depending on what you buy a car for, if it is simply to work, you can consider the micro Zhidou D2, small and easy to drive, if it is for family use, you can consider SUV, large space; 4.Look at the accessories, the most critical thing for electric vehicles is the problem of battery and motor power, the greater the motor power, the greater the power, the speed is significantly faster than the small power when going uphill, the largest electric vehicle power on the market is 1500W, but the power consumption is also large. It is recommended that you choose an electric car with a power of 500W-800W, so that the climbing ability is not bad and the power consumption is not too large.

As for the battery, the batteries used in electric vehicles on the market are 48V, 60V, 64V, 72V, 74V, 80V, with a capacity of 16Ah-24Ah, the higher the voltage, the better, because the higher the voltage, the lower the current of the motor at the same power, the longer the discharge time, so that the mileage of the electric vehicle is far, and the larger the battery capacity, the more durable the battery! Therefore, in the same case, you should choose an electric vehicle with a battery with high voltage and large capacity; 5.Look at the mileage, mainly related to the use, if you are only active in Beijing, 200 kilometers of mileage is basically enough; 6.

Test drive, be sure to test drive, some cars will have imperfections in the assembly, pay more attention to whether the brakes are flexible when testing the car; Whether the sound of the motor is normal, whether the lights and instruments are normal, etc.