Lead Oxide

Knowledge about particle size distribution of battery materials improves the battery performance

Lead-acid batteries are part of the standard equipment of many devices and machines. As start-up batteries they are irreplaceable in the automobile industry. They are found in fork lifts, submarines and everywhere else where high surge currents are required in a short amount of time, e.g. to start a combustion engine. Particle size plays a crucial role for capacity and coulomb efficiency of batteries.

The batteries’ two electrodes consist of lead and lead oxide (minium). Lead oxide is produced from metallic lead in two oxidation processes. The subsequent roasting process influences the particle size, which is an indicator for the level of oxidation.

Particle size distribution of lead oxide

  • Quick and easy measurement of battery materials
  • Reliable dispersion of powder
  • Good reproducibility and comparability between different locations
  • Minor need for laborious cleaning of system
  • High sensitivity in required size range

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Application strengths

  • No sample preparation
  • Effective and reliable sample dispersion with RODOS
  • Reduces need for laborious cleaning and elaborate sample preparation
  • Same measuring conditions for different lead oxide powders
  • Fast | 3 measurements per batch within 1 to 2 minutes
  • Very good reproducibility and comparability
  • Reliable detection of changes in quality thanks to excellent sensitivity

Customer benefits

  • Replaces time consuming chemical analysis for control of degree of oxidation
  • Results relevant for process control are available quickly
  • High quality goals are being achieved
  • Very good comparability with other suppliers and customers

Typical configuration



Laser Diffraction | Dry
Size range: 0.1 µm - 875 µm
Sample amount: < 1 mg - 1,000 g

Suited for

Typical applications

Applied for control of