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[Analysis Case] Elemental Analysis of Active Materials in Lithium-Ion Secondary Batteries

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[Analysis Case] Elemental Analysis of Active Materials in Lithium-Ion Secondary Batteries

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Dismantling and sampling can be performed in a non-exposed atmospheric environment, allowing for measurements that minimize degradation and alteration.

In AES (Auger Electron Spectroscopy), it is possible to perform elemental mapping (surface analysis) at sub-micron levels, allowing for clear confirmation of the elemental distribution in ternary materials (Co, Mn, Ni). Additionally, the distribution of carbon derived from binders and conductive additives can be measured with high sensitivity. In this study, a series of processes for the positive electrode active material were conducted in an atmosphere-free environment (inert gas atmosphere) until the introduction of the equipment, minimizing alterations during measurement. As a result, it was suggested that larger particles are LiCoO2, while smaller particles are LiCoxMnyNizO2 and LiMn2O4, indicating a non-uniform distribution of particles. Measurement methods: AES・SEM Product field: Secondary batteries Analysis purpose: Composition evaluation, identification, composition distribution evaluation For more details, please download the materials or contact us.

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Analysis of secondary batteries.

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[Analysis Case] Elemental Analysis of Active Materials in Lithium-Ion Secondary Batteries_C0152

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