Lead Acid Batteries

Power Reliability with Silica for Lead Acid Batteries from Evonik

In energy storage, consistency is everything. Lead acid batteries remain a cornerstone of backup power, automotive systems, and industrial energy solutions— but their performance depends on the chemistry behind the components. The silica technology of Evonik contributes to separator performance.

SIPERNAT® improves separator porosity, moisture control, and mechanical stability. This supports consistent separator properties in lead acid battery production.

Why Choose Evonik for Lead Acid Battery Solutions? 

  • Proven Performance: SIPERNAT® silica improves pore formation and electrolyte distribution in polyethylene (PE) separators.
  • Tailored Solutions: Our silica grades are engineered to meet the specific needs of automotive, industrial, and energy storage battery systems. 

Solutions by Application 

Battery Separator Optimization 

  • SIPERNAT® – Precipitated silica serves as a carrier for the oil component in the formulation and increases the porosity of PE separators. It also enhances moisture retention and mechanical strength. All this leads to consistent charge/discharge cycles and long-term battery reliability. 

The Evonik Advantage 

  • Innovative Materials: Backed by decades of silica expertise and battery industry know-how. 
  • Global Support: Our technical teams collaborate with you to optimize formulations and production processes. 
  • Reliable Supply: Count on consistent quality and dependable logistics from a trusted global partner. 

Ready to Boost Battery Performance? 

Discover how SIPERNAT® can help you build better lead acid batteries—delivering  consistent separator porosity and mechanical strength.

Explore our solutions or Contact our experts to discuss grade selection for your separator formulation.

SIPERNAT®