Analysis Of SC30 18650 Battery Is More Suitable For Micro Electric Vehicles

- Jun 20, 2017 -

The rapid development of new energy vehicles in 2015 urging the battery factory to keep pace, but the battery expansion cycle can not be achieved overnight, this situation caused the OEMs a little "panic", the battery requirements "drop down", or even The battery is hard to find the situation, I think this situation is also caused by 18650 manufacturers involved in the electric vehicle industry, as well as OEMs choose SC30 18650 battery one of the reasons, after all, there are some domestic 3C and power tools with 18650 manufacturers.

For the SC30 18650 battery in the application of electric vehicles, the current level of technology, personally think that micro-electric car is a good choice, the current inconvenience to use in the field of bus, based on the following considerations:

First, the 18650 in the micro-car applications can achieve "long and short complement" micro-electric car is characterized by small, flexible, but the mileage is higher than the traditional low-speed electric vehicles, and these two mutually agreed on the requirements of the battery adaptability Made a relatively high demand. The SC30 18650 battery is characterized by high energy density, can be in a small space to achieve as much load as possible. The combination of these two "small" can achieve the maximum efficiency of the vehicle, which is one. The following are the same as the "

Second, the micro-electric vehicle power requirements are generally between 10-20 kWh, the demand for SC30 18650 battery cycling in general between 1000-2000, which for the battery system assembly, the connection test is not great, the country is now There are several very unique 18650 battery system integrators, to meet customer needs; the same time, because the number of series relative to the passenger car less, so the management is relatively easy, the management system technology is relatively mature. Which is 18650 can be applied in the micro-car an important guarantee. The following are the same as the "

Second, the SC30 18650 battery quality control and system technology reliability caused by the bus in the field of mass application in accordance with the international manufacturing capacity of the best battery control capacity, the battery failure probability is about ppb level, if the bus 100 kWh load The amount of 100,000 vehicles (a single battery calculated by 10 Wh) there is a security problem; if the control level by ppm level, then there is a 100 out of the probability of failure, which is a very high Failure probability, which is only taking into account the control of the battery manufacturing process. The following are the same as the "

Second, the tens of thousands of SC30 18650 battery assembled into the battery system, not only the battery assembly technology, while the battery management technology has also brought great challenges, the technical requirements of content is very high. It is undeniable that good assembly and management techniques can make the problem battery controllable, that is to reduce the probability of failure of the battery; otherwise will accelerate the battery degradation, speed up the problem of battery failure rate.

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