CATL / Site Liyang

Contemporary Amperex Technology Co., Ltd. (CATL) is a global leader in lithium battery manufacturing, providing core technology support for new energy and energy storage solutions. As CATL’s core production base in Jiangsu, the Liyang Factory has prioritized sustainable development by fully adopting Industry 4.0 technologies to build an intelligent and sustainable operational system.
With exceptional achievements in energy optimization, efficiency improvement, and environmental control, the factory seamlessly integrates Industry 4.0 principles with sustainability, driving intelligent and low-carbon transformation in the new energy sector.

To address the rapidly growing demand for lithium batteries, high energy consumption, carbon emission pressures, and production efficiency bottlenecks, the Liyang Factory has adopted a comprehensive strategy centered on AI and big data. An energy management platform dynamically optimizes energy supply and demand, enabling full carbon footprint management and green process innovation.
By leveraging digital twin and virtual debugging technologies, combined with 5G and edge computing, the factory enhances planning and production processes. AI vision inspection and predictive maintenance ensure improved efficiency and quality while reducing equipment failures and operating costs. Additionally, the smart platform fosters knowledge graph development and skill inheritance, significantly boosting employees’ digital capabilities.

An AI-driven energy management platform was developed, utilizing big data technology to monitor and optimize over 20,000 data points in real-time. The platform dynamically adjusts supply and demand for water, electricity, and gas, while intelligently regulating environmental factors such as temperature, humidity, and pressure in workshops. AI algorithms predict high-energy consumption processes during production to minimize unnecessary energy waste, improving energy efficiency by 16%. Overall, the factory’s unit energy consumption decreased by 47%.

Optimized high-energy-consuming processes in lithium battery production, focusing on improving energy efficiency in key procedures. This innovation not only reduced energy waste during manufacturing but also significantly enhanced overall production efficiency.

An AI vision inspection system was deployed across core processes, replacing traditional manual inspections and enabling full-process intelligent detection from production lines to quality control. The integration of high-precision 3D cameras and AI algorithms improved detection efficiency by 60% and reduced battery cell defect rates to DPPB levels.

Virtual debugging technology was used to pre-validate equipment and electrical design plans, reducing debugging cycles and increasing electrical design accuracy to 80%. This significantly minimized resource waste during production line setup, accelerated new equipment deployment, and enhanced factory flexibility to meet market demands.