Dedicated and detail-oriented Technician with 9 years of experience at Samsung SDI, specializing in battery module assembly and formation processes. Skilled in troubleshooting, process optimization, and maintaining high-quality production standards. Strong team player with hands-on technical expertise, ensuring safety compliance and operational efficiency in manufacturing.
Job Title:
Technician – Lithium-Ion Battery Process (Assembly & Formation)
Key Responsibilities:
- Operated and maintained battery cell assembly machines (jelly roll insertion, tab welding, sealing port swaging machine, x-ray inspection, electrolyte filling, etc.).
- Monitored formation & aging equipment including charging/discharging cycles, ensuring cells meet safety and performance standards.
-Set up battery cells and modules in formation racks and managed automated testing systems.
- Conducted OCV (Open Circuit Voltage), DCIR (Internal Resistance), and capacity checks after formation.
-Identified and reported defective cells/modules, ensuring only qualified units moved to the next production stage. Performed equipment troubleshooting & preventive maintenance to minimize downtime.
-Maintained accurate data logs and test records for traceability and quality assurance.
-Performed routine equipment calibration, troubleshooting, and preventive maintenance
-Maintained strict safety practices when handling lithium-ion battery -chemicals and high-voltage equipment.
Battery assembly & testing (electrode prep, electrolyte filling, formation process)Skilled with testing tools (multimeter, IR tester, capacity tester)Strong SOP adherence & troubleshooting abilityKnowledge of cleanroom, ESD & safety complianceTeam player in high-volume production environments