Battery Recycling

The new EU Battery Regulation, which came into effect at the beginning of 2024, obliges battery manufacturers to use certain staggered proportions of recycled active materials (lithium, nickel, cobalt or lead) in new batteries from 2028. 

Using various mechanical, chemical and thermal treatment methods, we can extract materials from production waste or aged cells very flexibly in order to recycle them according to their intended use and, if necessary, refine them further. We focus not only on lithium-ion technologies, but also on sodium-ion and zinc-ion technologies. 

In our characterization laboratory for battery materials, we can fully analyze recycled materials such as active materials. With our established process technology, we can produce electrodes and cells from the recycled materials on a coin or pouch cell scale and then validate them electrochemically.

Our R&D-Services on the Topic »Battery Recycling« include:

  • Opening and disassembly of new or aged battery cells in a standard or argon atmosphere
  • Execution of mechanical, chemical or thermal treatment methods such as sieving, ball milling, centrifuging, ultrasonic or acid treatment, filtration or heating
  • Refining active materials with strong focus on the cathode such as relithiation, resodiation or substitution/doping of elements
  • Regranulation or slurry development for the production of new battery electrodes
  • Assembly of new coin cells or production of (multilayer)-pouch cells
  • Electrochemical characterization of coin and pouch cells
  • Characterization of (active) materials and particles using
    • Scanning electron microscopy (SEM) including energy dispersive X-ray spectroscopy (EDX) and soft X-ray emission spectroscopy (SXES)
    • elemental analysis
    • crystal structure analysis (XRD)
    • Confocal Raman and FT-IR spectroscopy
    • BET analysis and Mercury porosimetry
    • ICP-OES analysis for the investigation of electrolyte components and determination of material compositions
  • Characterization of electrode slurries using a rheometer

More Information this Research Topic

 

Center for Electrical Energy Storage

Novel materials and innovative production processes for battery systems technology

Characterization

  • Characterization of battery cells
  • Characterization of Si/C materials and pastes for Si-based anodes
  • Characterization of sulfide materials
  • Electrochemical characterization of new battery chemistries
 

ReAktiv

Highly Efficient Recycling of Li-Ion Active Materials from Round and Button Cells

 

VORAN

Innovative Sodium-Ion Battery Storage for Stationary and Mobile Applications

 

WinZIB2

Globally Applicable, Innovative Zinc Ion Battery System