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Updated: Jun 10, 2025
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Measuring Material Microstructure Under Flow Using 1-2 Plane Flow-Small Angle Neutron Scattering
Published on: February 6, 2014
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Characterization of Flow with a V-Shaped NMR Sensor
Eric Schmid1, Tim Oliver Pertzel1, Hermann Nirschl1
1Institute of Mechanical Process Engineering and Mechanics, Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany.
Sensors (Basel, Switzerland)
|October 16, 2024
Summary
Inline measurements using low-field Nuclear Magnetic Resonance (NMR) sensors enable early detection of defects in battery anode slurries. This technology facilitates predictive quality control, reducing waste and costs in battery production.
Area of Science:
- Materials Science
- Chemical Engineering
- Analytical Chemistry
Background:
- Inline quality control is crucial for optimizing production processes and reducing costs.
- Nuclear Magnetic Resonance (NMR) offers versatile applications but requires process-specific adaptations.
- Anode slurry quality is critical for battery performance and requires effective inline monitoring.
Purpose of the Study:
- To develop and verify a non-invasive, inline low-field NMR sensor for monitoring anode slurries in battery production.
- To adapt low-field NMR methods for determining the flow properties of anode slurries.
- To enable predictive control of battery manufacturing processes through real-time quality assessment.
Main Methods:
- Development of a V-shaped low-field NMR sensor for non-invasive inline measurements.
- Adaptation of low-field NMR techniques to assess fluid flow properties.
- Utilizing magnetic resonance imaging (MRI) for verification of flow property measurements on model substances and anode slurries.
Main Results:
- The developed V-shaped low-field NMR sensor successfully performed non-invasive inline measurements on anode slurries.
- The sensor demonstrated the capability to measure the flow behavior of anode slurries and other fluids.
- Measurements were suitable for inline quality control applications in battery production plants.
Conclusions:
- Low-field NMR technology is effectively adapted for inline quality control of anode slurries in battery manufacturing.
- The developed sensor provides a viable method for real-time monitoring of slurry properties, supporting process optimization.
- This approach enhances the potential for waste reduction and cost savings in battery production through early defect detection.
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