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 The silica technology of Evonik is a key to enhancing durability and extending battery lifetime.
SIPERNAT® improves separator porosity, moisture control, and mechanical stability. AEROSIL® as a gelling agent improves the electrochemical performance of gel batteries. This helps manufacturers produce safer, longer-lasting lead acid batteries for demanding applications.
Why Choose Evonik for Lead Acid Battery Solutions?
- Proven Performance: SIPERNAT® silica improves pore formation and electrolyte distribution in polyethylene (PE) separators. AEROSIL® provides thixotropy and viscosity control in gel lead acid batteries.
- Sustainability at the Core: Extended battery lifetime saves resources. 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.
- AEROSIL® – Fumed silica serves as gelling agent in gel lead acid batteries. Its thixotropy effect provides uniform acid concentration, which significantly extends battery lifetime. AEROSIL® also improves the electrochemical performance of gel batteries, especially during a deep discharge.
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® and AEROSIL® can help you build better lead acid batteries—delivering reliability, safety, and extended lifetime in every cycle.
Explore our solutions or Contact our experts to start your journey toward smarter energy storage.