It is a faster technology that is faster than the faster, it is actually a hurting the battery.

　　Author ：Iflowpower – Portable Power Station Supplier

The biggest problem of pure electric cars, is the capacity of life. Even if the engineer is in the beginning of R & D, it is also difficult to solve the battery pack with a large enough capacity. Even the government level through administrative means, let the road appear more charging piles.

It is also difficult to solve, pure electric car charging slow problems. When charging slowly, it is not a time of the owner, and behind it is the efficiency of transportation and road system. A driver is a slow 10 minutes, it will form a butterfly effect on subsequent charging trucks.

At the same time, too many vehicles are parked near the charging pile, which will lead to space for parking, roads, etc., hinder other vehicles. To this end, there is a fast charging technology, let charging time shorten more.

However, how to reduce it, it takes more than 30 minutes. Is there a charging technology that can be completed in a few minutes? Don't say, really. If you are using some self-owned brands of mini cars, it is very likely that the fast charging port will be removed, only slow speed charging port.

This kind of charging method is relatively, but it is only suitable for the commuter distance of every day. The big city of the earth, it is difficult to charge this extravagant space. Some people think that the charging time is slow, but at least, and the cost is low, why not? But about the real car, the fast charge is more efficient.

However, fast charging is also risky. What can you do in 4 minutes? full charge! According to the French named ElectricLoading, the fast charging network of its research can fully charge the MISSIONE pure electric car in Porsche in 4 minutes. Although this news is like a heavy bomb, it is possible to reduce the charging time to the fuel car.

At first glance, I really shocked. Is there any ability to replace the fuel car? However, experts tell us that this is not scientific. Because of the Porsche's plan, Mission's charging power is 350KW charging station, but also in the official website, it can charge 80% in 15 minutes.

But ElectricLoad is designed with charging equipment, operating power is 360kW. Compared with Porsche, only 10 kW is only 10 kW, but the time is divided by two-thirds, so many industry people have said doubts. Why is it injured? Don't think that the electric car is charging, just simply inserting a plug is finished, in fact, there is a danger if there is a little inadvertent.

The light is in August, there is a number of fire events caused by electric vehicles charging. Including Liaoyang, Liaocheng, and a new forces in Chengdu fire; and electric passenger car in Anhui Tongling. In just three months in May 2018, there were as many as 16 in the open report, and there were 9 cases of accidents, and there were 9 cases of charging self-ignition.

The causes of other accidents include battery failure, electric components short circuit, Self-combustion, etc. In the final analysis, because the battery is injured in the process of charging. The reason why the battery will be injured, it is important to start from the principle of the battery.

Since the energy density is in the field of electrochemical field, it is theoretical limit. The fast charge is only the portion of the best charging speed, but cannot maintain high-power charging speed in the whole section. During the charging process, the lithium ions should be embedded and deserted between the two electrodes, and the positive electrode negative electrode does not have an oxidation reaction.

However, the method of charging is now charged with the use of the redox reaction, not a charging method that the lithium-ion battery follows its own law. According to the current charging method, it is probably able to reduce the battery life by 30%. At the same time, the charge and discharge rate of the lithium-ion battery is also worthy of attention.

Among them, the refers to the charge and discharge current in the unit rated capacity. When the rated capacity is 100ah, the charge and discharge ratio is 0.2c.

Generally, the charging current of the lithium ion battery is set between 0.2c to 1c, the larger the current, the faster the charging, but the more serious battery heat is. On the other hand, the use of excessive current charging will cause capacity not full, because the electrochemical reaction time in the battery.

There may be theory may in fact, now common multi-positive metal composite oxide batteries, if you want to charge 8 minutes, theoretically use 10C's magnification to do. Experts from the domestic lithium-ion battery research field said that in the Beijing Olympics in the 10 years, various experiments were conducted for various issues. The ternary material battery at that time can be charged within 5 minutes.

In the experiment, the three-dimensional lithium-ion battery in the process of rapid charging, the heat can not be released quickly, so that the possibility of the explosion increases. Considering security issues, the team thinks that this technology cannot be used in pure electric cars, only in the hybrid vehicle. At the same time, the power supply network of the city has no basic conditions allowed such a huge power to transport.

Suppose a bus is 150KWH battery. It takes 5 minutes to charge. A bus will be 100KW power supply capacity.

If there are hundreds of thousands of bus charging, it will cause a big impact on the grid. The development of new energy vehicles is undoubtedly supplement and extension of automobile energy architecture. Standing at a higher level, adjusting the proportion of energy structures in the country is one of the deep reasons behind the new energy car.

But return to the consumption level, the quantity layout and distribution of charging piles, how to cover the electric vehicle used in the city. At the same time, speed up the charging speed of each car, then speed up the turnover rate, it is really a good thing. However, under the current technical and cost control, in a variety of conditions, ordinary people want to enjoy this kind of benefits, maybe more years.