1.2 Cell Cleaning

Plasma cleaning is an advanced surface treatment process used in cell preparation. Its main job is to meticulously clean specific areas of battery cells – usually the electrical terminals before welding, or surfaces where adhesives will be applied. The process uses plasma, which is a highly energized gas, to remove microscopic contaminants like oils, organic residues, thin oxide layers, or dust. This creates an ultra-clean and often activated surface, which is essential for making strong, reliable electrical connections (welds) or for ensuring strong adhesion of glues and thermal interface materials.