Battery Leakage Corrosion contamination on surface before laser cleaning
Ikmanda Roswati
Ikmanda RoswatiPh.D.Indonesia
Ultrafast Laser Physics and Material Interactions
Published
Dec 16, 2025

Battery Leakage Corrosion Contamination

Battery-corrosion contamination forms through electrolyte reactions in devices. This pattern penetrates deeply and accelerates under electrical stress, thus distinguishes from atmospheric rust by resisting reversal and clinging tightly to alloys. On copper, it builds insulating films; on steel and brass, cracking induces. Removal challenges demand careful dissolution, but laser cleaning ablates layers precisely, so surface restores conductivity effectively.

Safety Information

Critical safety data for laser removal operations

Fire/Explosion Risk
low
Toxic Gas Risk
low
Visibility Hazard
moderate

Required Personal Protective Equipment

Respiratory Protection
PAPR
Eye Protection
goggles
Skin Protection
full_suit

Hazardous Fumes Generated

CompoundConcentrationExposure LimitHazard ClassStatus
Potassium hydroxide aerosol5-25 mg/m³2 mg/m³corrosive✓ Within Limit
Manganese oxides3-15 mg/m³5 mg/m³toxic✓ Within Limit
Zinc oxide fume2-10 mg/m³5 mg/m³toxic✓ Within Limit
Carbon particles10-50 mg/m³3.5 mg/m³irritant✓ Within Limit

Ventilation Requirements

Air Changes Per Hour
12
Exhaust Velocity
0.5 m/s
Filtration Type
HEPA

Particulate Generation

Respirable Fraction
70%
Size Range
0.1 - 10 μm

Substrate Compatibility Warnings

  • Laser may reactivate corrosive compounds on metal surfaces
  • Thermal decomposition may create secondary contamination
  • Moisture in corrosion products may cause steam explosions