Custom-made air filtration solutions for battery manufacturing

Air filtration is essential to the lithium-ion battery manufacturing process. It drives product quality, process reliability and production performance, contributes to occupational safety and protects the environment.

Operating robust air filtration systems is a proactive measure that not only improves the competitiveness of battery manufacturers, but also drives the development of innovative energy storage solutions for the future. Backed by our extensive industry knowledge and close collaboration with our sister company XALT Energy, a manufacturer of storage solutions, we help battery line manufacturers and operators realize next-generation filtration systems.


The most critical air quality challenges in lithium-ion battery manufacturing

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10 key air quality challenges

in a battery manufacturing process

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10 reasons why air filtration is essential

in a battery manufacturing process

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Increasing efficiency in the assembly process

of battery modules and packs

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5 good reasons why we simplify your plant construction

Our services for plant manufacturers

Services and products for plant manufacturers

  • Advisory on the development of individual machine modules or entire plants
  • Ready-to-use CAD/STEP data for your simplified planning process
  • Assistance with determining and compliance with relevant filtration and air quality standards
  • Equipment of your machinery with advanced process and online monitoring controls
  • Supply of high-performance OE cleanroom air filter elements and systems, for example HEPA filters
Our services for operators

Services and products for battery production operators

  • Complete as-a-service air quality management, and in-depth process quality inspect
  • State-of-art air quality and filter management, including on-demand product supply, monitoring and disposal (Viledon filterCair)
  • Online monitoring and process control of air quality, corrosion, cleanroom classes, and system conditions
  • Supply of high-performance cleanroom filter elements for each stage and each requirement of battery cell manufacturing

From mixing to electrode coating and drying to pack assembly - discover filtration in the battery manufacturing process

Each process step in the production of lithium-ion batteries has its own specific air quality requirements. Let us advise you and provide you with services and a complete range of product solutions that simply fit. Powerful. Energy-efficient. Process-safe. For you as a battery production operator or plant manufacturer, this gives you the security of being in the best possible position when it comes to air filtration.

Battery manufacturing process: Mixing
Battery manufacturing process: Coating
Battery manufacturing process: Drying line
Battery manufacturing process: Slitting converting
Battery manufacturing process: Stapling vacuum drying
Battery manufacturing process: Cell assembly
Battery manufacturing process: Formation
Battery manufacturing process: Pack assembly

For reliable and worry-free air treatment

Supporting development and design phases of HVAC systems

Supporting development and design phases of HVAC systems

Individual planning, in-depth consulting and customized filter elements and concepts for your cleanroom and ventilation technology.

Monitoring air quality, corrosion risks and system conditions

Monitoring of process parameters

Intuitive online monitoring that provides valuable insight into air quality and system conditions such as air quality, humidity and corrosion risks.

Facilitating filter unit maintenance

Facilitating filter unit maintenance

Proven services for filter replacement, workplace and defect analysis. All-in-one air quality management package.

Minimizing particle ingress and contamination risks

Minimizing particle ingress and contamination risks

Powerful high-temperature HEPA filters, reliable pocket and cassette filters, and other solutions such as gas phase pellets keep the air clean at every stage of the process.

Ensuring safety in explosive Atmospheres

ATEX: Ensuring safety in explosive atmospheres

ATEX-approved filter elements such as our filter cartridges, pocket filters, and cassette filters offer great safety for critical areas including coating mixing or solvent recovery.

Durable and long-lasting filter equipment

Durable and long-lasting filter equipment

Air filters with specific and tailor-made resistance to high process temperatures or chemical attack of the typical and critical organic solvents (e.g. NMP).

Protecting employees

Protecting employees

Filtration of harmful gases and substances such as solvents or acidic gases from air with gas phase filtration equipment to provide a high level of workplace safety.

Protecting the environment

Protecting the environment

Filters in facilities to remove or recover solvents and acidic gases in exhaust air for less pollution and energy-efficient systems for fewer emissions.

Protecting processes and electronics

Protecting processes and electronics

Adsorption of corrosive gases, corrosion protection and dust removal to prevent short circuits, damage to electronic components and production downtimes.

Air filtration in battery manufacturing –
what to keep in mind

  • Not every production process requires cleanroom conditions (ISO 14644) 

  • Freudenberg filter elements and systems are particularly durable, reliable and energy-efficient 

  • Systematic digital monitoring with Viledon Process View gives you additional efficiency and safety 

  • Minimize your efforts and overall expenses with product supply and services from a single source 

Contact us

Discover our products for battery manufacturing

Find technical data and specific product features in the product catalog