Structural Investigation of Battery Raw Materials via Powder X ray Diffraction

The development of new battery technologies with increased performance, efficiency, stability and safety is of great relevance for academia and industry. The investigation of battery raw materials is a key part of this process. X-ray diffraction (XRD) is a powerful technique for the analysis of battery raw materials as it can provide information on the atomic and macroscopic structure, in addition to qualitative and quantitative phase analysis, of the materials.


Chemical energy storage devices, such as rechargeable batteries, are usually complex, consisting of different raw materials that have to fulfill a number of requirements. They have to be reactive enough to allow fast charging and discharging, but at the same time should not corrode the battery housing or current collectors. The chemical reactions also have to be reversible and highly efficient, without any side reactions that reduce the capacity over time or lead to the creation of potentially dangerous side products. In addition to the chemical properties, many macroscopic and physical properties, such as the electrical contact between particles, the surface-to-volume ratio (i.e., the particle size), the crystallinity and the thermal and mechanical stability, have to be considered when it comes to developing and characterizing battery raw materials.

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