Contemporary Amperex Technology Co., Limited (CATL), a global leader in new energy batteries, utilizes ZKSSUN explosion-proof constant temperature and humidity chambers along with 6m³ thermal shock systems to support large-scale EV battery reliability and safety validation.
The multi-chamber testing platform is designed for high-throughput evaluation of lithium-ion battery cells under extreme environmental stress conditions, ensuring performance stability, safety compliance, and long-term cycle durability.
Cell Aging & Early Failure Screening
Battery cells undergo controlled thermal aging at 45°C–60°C for 7–14 days to identify early-life degradation and eliminate unstable units before mass deployment.
Temperature Cycling & Capacity Retention
High/low temperature cycling from -40°C to +85°C (GB/T 31486 standard) is used for over 500 cycles to assess capacity retention, internal resistance stability, and long-term performance consistency.
Humidity & Sealing Reliability Testing
Damp heat exposure at 85°C/85%RH for 1,000 hours evaluates electrolyte stability and sealing integrity under high-moisture conditions typical of real-world operation.
Thermal Stability & Safety Threshold Analysis
Thermal ramp testing up to 130°C at 5°C/min monitors thermal runaway initiation points, supporting advanced safety design and risk mitigation for EV battery systems.
High-Throughput Testing & Data Integration
With 41 explosion-proof chamber systems deployed, CATL achieves over 5,000 battery cell tests per day, reducing overall testing cycles by approximately 30%. All equipment is integrated into an industrial IoT platform for real-time data tracking, material traceability, and battery genealogy analysis, contributing to a reported 15% improvement in cycle life optimization for NCM and LFP chemistries.