Lithium-ion batteries

Coater for electrode production.

Powder synthesis

 

  • Glove boxes
  • Schlenk line
  • Spray dryers for precursors (air or inert gas)
  • Flame spray pyrolysis
  • Pyrolysis furnaces
  • Rotary kiln

 

Powder preparation

 

  • Preparation equipment (milling and homogenization) and peripheral equipment (dispersion containers with heating and cooling)
  • Screen units for conditioning
  • Laboratory- and pilot-scale spray dryers (air, inert gas, and explosion-proof versions)
  • Fluidized bed system
  • Spray-freeze granulation unit

Materials characterization

 

  • Mechanical and ion beam-based preparation techniques (broad and focused ion beam)
  • Microscopic methods (optical microscopy, confocal 3D laser scanning microscopy, analytical field-emission scanning electron microscopy, transmission electron microscopy, atomic force microscopy, and ultrasonic microscopy)
  • 3D characterization (computed and FIB tomography)
  • Qualitative and quantitative X-ray diffractometry, including line profile analysis
  • High-temperature X-ray diffractometry up to 1200 °C
  • X-ray fluorescence analysis
  • Micro-Raman and IR spectroscopy

Electrode production

 

  • Coating units (doctor blade, doctor blade against backing roll, and slot die and triple slot die in continuous and intermittent operation)
  • Dryer units (passive drying, contact drying, flotation drying, UV curing, and convection)

Electrochemical characterization

 

  • Glove boxes, climate cabinet (-40 °C to 120 °C), and multichannel potentiostat
  • Measuring cells (two- and three-electrode setups) for electrochemical, thermo- and spectroelectrochemical investigations FTIR/Raman spectrometers
  • Karl Fischer titration for water content determination in solids and liquids

Cell testing

 

  • Battery test containers

Simulation

 

  • FE codes: ANSYS, COMSOL, and FlexPDE
  • CFD codes: Fluent and ANYSY-CFX
  • System simulation: Modelica/SimulationX

Quality assurance

 

  • Demonstrator for active thermography on running tape casting belts
  • Air-coupled ultrasonic layer thickness gauge for monitoring of tape basis weight

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