Freudenberg Sealing Technologies
E-storage devices and plantines

Power for Sustainable Energy

Sealing Solutions for the Entire Energy Value Chain

Wind turbines, solar and hydroelectric plants, fuel cells, battery systems and switchgears. These are just a few energy applications that rely on technology innovations from Freudenberg Sealing Technologies. Working with customers around the world, experts at the company develop unique material and product solutions that solve tough industry challenges and help pave the way to a sustainable energy future.

Today, the whole world of energy is in motion. Join Us!

Energy Storage

Sealing Solutions for Energy Storage

Powerful hydrogen energy storage with wind turbines and solar panels under blue skies

As power generation increases to meet growing global demands, energy storage systems become crucial. Consider, for example, solar cells that produce electricity during the day to recharge electric vehicles at night. A smart grid requires high-performance energy storage options like redox flow batteries and lithium-ion battery storage to support such capability. As links and buffers, they balance fluctuating energy production against fluctuating consumption and establish a safe, reliable energy grid.

In addition to batteries, other innovative forms of energy storage and conversion are beginning to emerge and Freudenberg experts are ready to collaborate with customers on their development. Green hydrogen, for example, which is produced by electrolysis from the splitting of water by using electricity, is now building a bridge to E-Mobility. Fuel cells powered by hydrogen are already powering some municipal buses and long-haul trucks. And in the aviation industry, scientists and engineers are jointly researching the requirements needed to use green aircraft fuel.

Product Range for Energy Storage


Functional principle of a fuel cell

Fuel Cell & Electrolyzer Seals

  • Ice Cube Seal for fast and flexible stack designs
  • Seal on GDL for commericalized stack designs
  • Seal on metal-bipolar plate for customer specific stack designs

Li-Ion Battery Solutions

  • Heat shields for improved thermomanagement in battery systems
  • DIAvent® for overpressure relief

Redox Flow Battery Seals

  • Frame gaskets with flow chemistry optimized materials

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