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Intelligent upgrade of square shell battery PACK production line: helping the new energy industry reduce costs and increase efficiency
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2025-10-23
This paper focuses on the intelligent upgrade of the square shell battery PACK production line, analyzes the core technology links, enterprise application cases and industry trends, and discusses how to improve productio
In recent years, the global new energy vehicle market has continued to explode. In 2023, the sales volume of new energy vehicles in China exceeded 9 million, an increase of 37% year-on-year, driving a surge in demand for power batteries. As the core component of new energy vehicles, square shell batteries have become the first choice of car companies due to their advantages of high safety, moderate energy density and controllable cost. The technical level of the square shell battery PACK production line connecting cells and vehicle applications directly affects battery performance, cost and safety. Recently, a number of new energy companies have accelerated the intelligent upgrade of the production line to meet market competition and industrial upgrading needs.
The square shell battery PACK production line covers core links such as cell sorting, module assembly, Pack integration, inspection and testing. Traditional production lines rely on manual operation, which is inefficient and prone to human errors, resulting in unstable quality. After the intelligent upgrade, advanced technologies were introduced in each link: the battery cell sorting process adopts AI visual inspection system to quickly identify appearance defects and voltage consistency, and the sorting accuracy rate reaches 99.9%; the module assembly process uses a six-axis robot to complete the battery cell stacking and welding, and the welding accuracy is controlled within ±0.1mm to improve the structural stability of the module; the Pack integration process simulates the production process through digital twin technology to optimize the assembly steps in advance and reduce the debugging time; the inspection and testing process introduces fully automatic equipment to comprehensively detect voltage, current, temperature, sealing and other indicators, and the inspection time is shortened by more than 30%.
A leading domestic new energy battery company completed intelligent transformation in the second half of 2023. The annual production capacity of the transformation was 8GWh, the defective rate was 0.6%, and the cost of a single GWh was 12 million yuan; after the transformation, the annual production capacity rose to 12GWh (an increase of 50%), and the defective rate fell to 0.15% (a decrease of 75%). The cost of a single GWh fell to 9.80 million yuan (a decrease of 18.3%). The person in charge of the company said that after the upgrade, the front-line workers were reduced by 40%, the energy consumption was reduced by 15%, and the flexible capacity was enhanced, and the product model could be quickly switched to meet the customized needs of
At present, the development of the square shell battery PACK production line shows three major trends: first, the digital twin deep application, through the virtual production line to achieve real-time monitoring, predictive maintenance and optimal scheduling, improve efficiency and equipment utilization; second, flexible production strengthening, adapt to market demand diversification, support small batch multi-variety production; third, green manufacturing promotion, reduce energy consumption and carbon emissions, the use of energy-saving equipment and waste recycling. At the policy level, the National Development and Reform Commission, MIIT and other policies to support technological innovation and intelligent upgrading, to create a good development environment.
The intelligent upgrade of the square shell battery PACK production line is an inevitable choice for the high-quality development of the new energy industry. Through technological innovation and management optimization, enterprises enhance their competitiveness, promote cost reduction and efficiency increase in the industrial chain, and accelerate the popularization of new energy vehicles. In the future, with technological progress and policy support, the production line will develop in a more intelligent, efficient and green direction, contributing to the dual-carbon goal.
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