Safeguarding Quality in Lithium-Ion Battery Chemical Processing

This episode takes viewers into the critical chemical processing stage of the lithium-ion battery value chain, where raw materials are transformed into high-purity, battery-grade components. Experts discuss how impurities like chlorine, magnesium, and sulfates can impact battery performance, safety, and longevity, emphasizing the importance of monitoring and controlling these elements throughout the process.

The discussion also highlights best practices for minimizing contamination and ensuring analytical accuracy, including proper handling, storage, and the use of standardized testing methods. Industry experts note the current lack of global standardization in material grading and analytical approaches, underscoring the need for consistent practices to maintain battery quality and reliability.

Key takeaways from this episode include:

• How chemical processing affects energy density, safety, and battery lifespan.
• The impact of impurities such as chlorine and magnesium on performance and degradation.
• Best practices for sample handling, storage, and analytical testing.
• The importance of standardization in grading and testing lithium carbonate, lithium hydroxide, and other battery-grade materials.
• Monitoring the chemicals used in processing to prevent contamination during sample preparation.

ADDITIONAL RESOURCES

• Ni, Y., & Feng, W. Agilent Technologies. (2019, January 30). Determination of elemental impurities in graphite-based anodes using the Agilent 5110 ICP-OES (Publication No. 5991-9508EN).
• Riles, P. Agilent Technologies. (2019, June 5). Multi-element analysis of air-filters using the Agilent 5110 VDV ICP-OES (Publication No. 5994-0882EN).
• Agilent Technologies. (2020, November 13). ICP expert automation software pack: remote, automated elemental analysis (Publication No. 5994-2835EN).
• Zou, A. & Li, S. Agilent Technologies. (2025, March 18). Enhanced RoHS compliance testing with Agilent 5800 ICP-OES: accurate measurement of multiple elements including Cd, Cr, Pb, and Hg in plastic materials (Publication No. 5994-8252EN).
• Qi, Y. & Drvodelic, N. Agilent Technologies. (2023, June 16). Determination of elemental impurities in lithium carbonate Using ICP-OES: quality control of chemicals used in lithium ion battery components by Agilent 5800 VDV ICP-OES (Publication No. 5994-6112EN).
• Kubota, T. Agilent Technologies. (2022, October 3). Quantifying metal impurities in Li-Ion battery raw materials by ICP-MS/MS: sensitive, robust analysis of 64 elements in lithium carbonate using the Agilent 8900 ICP-QQQ (Publication No. 5994-5341EN).
• Wenkun, F. Agilent Technologies. (2020, December 9). Determination of 14 impurity elements in lithium carbonate using ICP-OES: routine quality control of raw materials used to produce cathode material for lithium ion batteries (Publication No. 5991-9507EN).