XRF Analysis in lithium-ion battery recycling

Lithium-ion battery recycling is a critical aspect of resource conservation. As the demand for renewable energy solutions continues to rise, recycling Lithium-ion batteries becomes more important than ever. However, assessing and assigning value to the components within these batteries, often contained in black mass, poses a complex challenge. The application of X-ray fluorescence (XRF) analysis offers a cost-effective and efficient approach to the evaluation and recovery of valuable materials.

During the Lithium-ion battery recycling process, analyzing the black mass extracted from batteries presents diverse and challenging samples. The chemical composition of black mass can vary significantly, contingent upon the source and type of batteries. Furthermore, initial mechanical processing steps can impact homogeneity and particle size distribution, adding complexity to the analysis.

In this context, the X-MET8000, Hitachi’s handheld XRF analyzer, offers adaptable measurement times to cater to specific requirements. For rapid screening and determination of Mn, Ni, and Co at percent levels, a 10-15 second measurement time suffices. Extending the measurement time to 30-60 seconds or longer is beneficial when detecting contaminants, analyzing light elements (Mg, Al, Si, P, S), or aiming for higher precision.

The X-MET8000 features a pre-loaded calibration optimized for black mass screening, ensuring efficient analysis and precise measurements.

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Date: 22 November 2023

Author: Hitachi High-Tech Analytical Science

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