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Safion GmbH

Battery cell testing and grading with real-time impedance spectroscopy (EIS)

Aachen, North Rhine-WestphaliaBattery & Energy Storage · Battery Testing, Formation & Grading Equipment
Safion GmbH

Overview

It develops battery diagnostic solutions for customers along the battery value chain. These range from quality testing and lifetime prediction to condition assessment and second-life tests.

Its core technology is multi-sine rapidEIS, which records electrochemical impedance spectra in about one second. The Inspectrum series (EIS measurement devices, multiplexers and software) is aimed at laboratory and test-bench use. The Examight series is aimed at inline cell grading on production lines.

Safion also offers contacting solutions for cylindrical, pouch and prismatic cells, and stationary cell holders. Its systems are described as suitable for lithium-ion and sodium-ion cells of all formats and sizes.

EIS measurement of battery cells in about 1 second (1 Hz to 10 kHz)
Inline cell grading at line throughputs above 10,000 cells per hour (stated by the company)
Up to 32 impedance points recorded simultaneously in one second
Suitable for lithium-ion and sodium-ion cells of all formats
Software for test automation, cell grading, quality assurance and data logging
Spun out of RWTH Aachen University research; founded 2019

Products

6 listed

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HeadquartersGermany
Company address

Safion GmbH

Battery cell testing and grading with real-time impedance spectroscopy (EIS)

Aachen, North Rhine-Westphalia

Overview

It develops battery diagnostic solutions for customers along the battery value chain. These range from quality testing and lifetime prediction to condition assessment and second-life tests.

Its core technology is multi-sine rapidEIS, which records electrochemical impedance spectra in about one second. The Inspectrum series (EIS measurement devices, multiplexers and software) is aimed at laboratory and test-bench use. The Examight series is aimed at inline cell grading on production lines.

Safion also offers contacting solutions for cylindrical, pouch and prismatic cells, and stationary cell holders. Its systems are described as suitable for lithium-ion and sodium-ion cells of all formats and sizes.

Founded
2019
Headquarters
Aachen, Germany
Origin
RWTH Aachen University research
Core technology
Multi-sine rapidEIS battery diagnostics
Product lines
Inspectrum, Examight, Contacting Solutions
Booth at The Battery Show India 2026
Hall 5, Booth 5.28B

Products

  • Inspectrum series (EIS measurement systems)Multi-sine rapidEIS1 Hz–10 kHzUp to 32 impedance points/s
  • Inspectrum.Suite softwarePlug-in: Battery QAPlug-in: Device AutomationPlug-in: Model Generator
  • Examight.10-5 inline grading systemInline gradingrapidEISOver 10,000 cells/h
  • Examight.Suite (Cockpit and Database)Examight.CockpitExamight.Database
  • Cell contacting unitsCylindricalPouchPrismatic
  • Stationary cell holders

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