Technical characteristics and development trend of lithium battery detection system industry
Lithium battery detection system technology is relatively complex, involving measurement and control technology, energy conversion technology, power conversion technology, system integration and process technology, etc. The development and integration capabilities of corresponding technologies determine the quality of the detection system. With the continuous expansion of the application field of lithium batteries With the advancement of industry technology, the lithium battery detection system is developing towards energy saving, high efficiency, high performance, high precision and intelligence.

　　The technical level of the lithium battery detection system industry is closely related to the type of battery cell, the index requirements of the lithium battery, and the application field. At present, the main products to be tested, such as 18650 batteries, soft-pack batteries, square lithium batteries, etc. The battery charging and discharging test and formation equipment are relatively mature, and the energy feedback battery charging and discharging test system related to new energy vehicles, batteries Detection technologies such as group working condition simulation detection system and high-power battery pack charging and discharging detection system are being continuously developed and promoted.


　　 The index requirements of lithium batteries are different, and the technical requirements for the detection system are also different. Lithium battery detection system technology is relatively complex, involving measurement and control technology, energy conversion technology, power conversion technology, system integration and process technology, etc. The development and integration capabilities of corresponding technologies determine the quality of the detection system. With the continuous expansion of the application field of lithium batteries With the advancement of industry technology, the lithium battery detection system is developing towards energy saving, high efficiency, high performance, high precision and intelligence.


　　1. Energy saving, detection efficiency and detection accuracy improvement


　　 With the increase in the power of lithium battery products, the expansion of application fields and the requirements of downstream enterprises to reduce production costs, the requirements for energy saving, detection efficiency and power of lithium battery detection systems have increased accordingly. At present, the traditional energy-consuming high-power charging and discharging lithium battery detection system needs to consume a lot of electric energy during the charging and discharging process, and the use of technologies such as energy feedback technology can greatly reduce energy consumption and achieve obvious energy-saving effects.


In terms of detection efficiency, the main direction is to optimize the detection process and improve the detection method. Take the representative product of the new energy vehicle field as an example of the electric vehicle power lithium battery. Due to the large power and the large amount of charge and discharge detection of the battery pack, the charge and discharge time is average Up to 4-8 hours; for this reason, the industry has continued to increase investment in research and development of fast charging and fast discharging technology for electric vehicle power lithium batteries, and will be applied to the product development of new charge and discharge detection systems in the future to continue to shorten the battery detection time.


At the same time, with the further improvement of new energy vehicle manufacturing technology, and the rapid development of emerging high-end lithium battery application fields such as robots, civilian drones, and aerospace, the degree of refinement of various indicators such as the estimation of cruising range is increasing. It has stricter quality requirements for lithium battery consistency, battery capacity, battery life and discharge rate, which promotes the continuous improvement of the detection accuracy and stability of the lithium battery detection system.


　　 2. The lithium battery detection system is developing towards standardization and intelligence


There are many downstream customers in the lithium battery detection system industry, with different requirements, diversity and personalized customization characteristics; for each customized product, industry enterprises need to combine existing products, redesign solutions, invest in product development costs, and increase a lot of cost. With the continuous growth of labor costs and the strong demand for the lithium battery market in the field of new energy vehicles, the downstream lithium battery manufacturing process and product standardization continue to increase, and industry companies have internal and external dual motivations to promote the development of products in the direction of standardization.


　　The lithium battery detection system industry has the characteristics of complex downstream technology, multiple production links and long processes. With the improvement of the automation of the downstream lithium battery manufacturing links and the establishment of intelligent manufacturing systems, enterprises will collect, analyze and predict data at each node of the manufacturing process undertaken by the lithium battery inspection system, control, feedback, and track problems at work stations, and interact with humans and machines intelligently. , There are more urgent requirements for intelligent aspects such as high integration and intelligent production.


　　3, the development needs of the main application areas of the lithium battery detection system


　　 With the expansion of the application field of lithium batteries, the innovation of lithium battery material technology and the progress of manufacturing technology, the types of lithium batteries and their parameters are constantly changing, and the quality requirements for lithium batteries in downstream applications are also changing.


Power areas such as new energy vehicles pay more attention to the battery life and safety of lithium batteries; energy storage areas such as smart grids pay more attention to the cycle life of lithium batteries; new areas such as aerospace pay more attention to the use of lithium batteries in harsh environments or weightless environments stability.


　　Industry companies will conduct targeted product research and development according to the testing requirements of new lithium battery varieties and application fields, such as adopting new testing methods for new energy vehicle lithium batteries-working condition simulation and simulation testing. .