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        Advanced materials for demanding battery applications

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  3. energon

energon. Advanced materials for demanding battery applications

European-made pouch cell laminates and cathode foils for manufacturers seeking qualified battery materials.


Backed by extensive testing, automotive qualification experience, and decades of aluminum- and polymer processing expertise, energon. provides a new sourcing option outside Asia.

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A flexible packaging leader, now powering batteries

Automotive-grade manufacturing

Production and quality processes aligned with the requirements of demanding automotive battery applications, ISO 9001 and IATF 16949 standards.

Qualified performance

Materials extensively tested for durability, processability and long-term reliability in demanding battery environments.

European production footprint

A European-based supply source for pouch cell laminates and cathode foils, produced within an established manufacturing network.

 

 

Our expertise in aluminum laminates, barrier films, and large‑scale quality manufacturing transfers directly to battery materials. We combine IATF 16949 discipline with pharma‑grade process control to deliver consistent, scalable performance.

Learn more about our sustainability approach

Critical layers for critical performance

The energon portfolio spans pouch cell laminates and current collectors, giving battery manufacturers qualified materials from a single European source.

energon P and energon C optimize sealing, conductivity, and corrosion resistance for EV cells.

 energon P

energon P

Pouch Cell Laminate

energon P. European-made pouch cell laminates engineered to support battery cell protection through barrier properties, sealing performance, and chemical resistance.

  • High sealing performance
  • Resistance to moisture and battery electrolytes
  • Mechanical strength and flexibility for deep-forming processes
  • Suitable for a broad range of battery applications
  • Sourced and manufactured in Europe

 

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energon C

energon C

Current Collector/Cathode Foil

A clean, precisely engineered aluminum current collector for battery cells. energon C delivers the surface quality and process stability that large scale coating production demands.

  • Optimized surface for cathode coating
  • Reliable processability for serial production
  • Available in widths up to 1,800 mm
  • Optional Low-Carbon and ASI-certified aluminum
  • Sourced and manufactured in Europe

 

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Download the overview energon flyer

  • energon product flyer

More flexibility in material selection

Low Carbon Aluminum

Aluminum with a carbon footprint of <5 t CO₂e/t, available on request.

Renewable electricity in production

Our energon production is powered by electricity generated from renewable sources.

ASI-certified aluminum available

Customers may select aluminum with optional ASI certification based on their specification requirements.

 

 

Beyond performance, material sourcing is becoming an increasingly important part of battery development. With Low Carbon Aluminum sourced in Europe, ASI-certification on request, and production supplied with electricity generated from renewable sources, energon. offers additional options for customers with specific sourcing and procurement requirements.

Your questions, answered.

energon. P is optimized for pouch cell designs. energon. C supports battery‑grade cathode current collection and is universally usable for every cell geometry.

energon is Constantia Flexibles' battery materials brand in Europe. The portfolio includes pouch cell laminates and cathode foils for battery applications and builds on the company's aluminum- and polymer-processing expertise and battery-material development activities.

The energon portfolio has undergone extensive qualification and testing programs, including electrolyte resistance and long-term aging evaluations. Constantia Flexibles also completed demanding qualification processes with automotive customers before expanding into broader battery markets.

The portfolio is designed for battery applications across multiple industries, including e-mobility, consumer electronics, aviation, and stationary energy storage.

Customers may choose additional material options, including Low Carbon Aluminum sourced in Europe and optional ASI-certified aluminum, depending on their specification requirements.

energon P is produced at Constantia Patz in Austria, while energon C is manufactured at Constantia Teich in Austria. Both products are produced within Constantia Flexibles' European manufacturing network.

The energon portfolio is developed and manufactured within established quality systems aligned with ISO 9001 and IATF 16949 requirements. In addition, Constantia Flexibles completed demanding qualification processes with automotive customers and validated material performance through extensive testing programs, including electrolyte resistance and long-term aging evaluations.

energon P is currently the only commercially available, qualified pouch cell laminate manufactured outside Asia. It provides battery manufacturers with an additional sourcing option, supported by European manufacturing, extensive qualification programs, and proven performance in demanding battery environments.

Yes. The energon portfolio is produced using established manufacturing infrastructure and quality systems developed through years of industrial production experience. Both products are designed for demanding manufacturing environments.

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energon Team

batteries@cflex.com
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