Company cases about Automated High-Gradient Electromagnetic Filter System Improves Production Capacity for a Battery Material Enterprise

Automated High-Gradient Electromagnetic Filter System Improves Production Capacity for a Battery Material Enterprise

2026-01-27

Problem

A leading battery cathode material enterprise was facing a critical production bottleneck: its aging filtration system could not keep up with the 50% increase in production capacity, leading to frequent downtime and a 9% product defect rate due to residual ferromagnetic impurities. The manual cleaning process required 4 hours of downtime daily, and the system’s limited precision resulted in an iron impurity content of 110 ppb in the final product.

Solution

To address these challenges, the enterprise deployed TMY Machinery’s Automated High-Gradient Electromagnetic Filter System. The fully automated system integrates PLC control, real-time impurity monitoring, and self-cleaning cycles, capturing impurities as small as 0.15 μm with a removal efficiency of over 99.5%. It operates continuously for up to 40 days without manual intervention, and its modular design allows for seamless integration with existing production lines.

Results

After implementation, the production line’s overall efficiency increased by 32%, and the product defect rate dropped to 0.9%. The iron impurity content in cathode materials fell to below 10 ppb, meeting the strict standards of global EV battery manufacturers. This upgrade enabled the enterprise to scale its annual production capacity by 60%, while reducing annual operational costs by approximately $2.3 million. The system also helped the enterprise achieve ISO 14001 environmental certification by reducing waste from disposable filter media.

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