The first reason is that the core is eventually going to be a standard product.
The second reason is that the BMS is complex and has strong variables.
The third reason is that lithium batteries in the conventional industry must be configured with a BMS to be used properly.
Power battery is still a product line of high-speed progress, the upstream of the core will also change the supply specifications with the actual demand, in order to adapt to the development of the power battery industry.
The final development of power battery cells will be as standardized as cell phone batteries. Finally, there will not be many core factories that can live well in the field of power batteries, and a large number of core factories will slowly get out of the game.
Any one of the world's power cell factories, are research electrochemical and materials-related, the vast majority of talent is concentrated in this field, they are difficult to have a good understanding of the BMS such a very high electronic and system requirements, and will not have a good build, not to mention the impossibility of making competitive BMS products and battery PACK. Therefore, the final cell factory and PACK factory will definitely be divided, will definitely be professional division of labor, this is the law of nature, the law of market competition.
For the second reason, the complexity of BMS and system requirements are high, is the basis of PACK competition. Why BMS is more complex, because BMS involves a lot of things, not only requires knowledge of the battery, but also the entire system (electric vehicles or energy storage, etc.) very well, not only to understand the electronics, but also understand the structure, not only hardware, but also software, to do a good job BMS, to electronics, electrical technology, microelectronics and power device technology, heat dissipation technology, high-voltage technology, communication technology, anti-interference and Reliability technology and many other things have to be professional, it is a responsible system engineering.
At present, it can be seen that PACK companies mostly focus on the integration of power management systems, and few manufacturers are willing to invest in the development of battery materials. With the slowdown in the growth of smart phones, tablet PCs, mobile power and other terminal markets this year, many PACK leading companies are increasing the integration of the industry chain and actively laying out emerging markets such as power and energy storage. But the technical content is not high, so it belongs to the Red Sea market, only the supply chain belonging to the brand with economic scale is easier to survive. A BMS design is good or bad directly affects whether the battery meets the needs of customers. And BMS is the fundamental solution to the needs of the product.
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