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[Analysis Case] Rietveld Analysis of Secondary Battery Cathode Materials

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[Analysis Case] Rietveld Analysis of Secondary Battery Cathode Materials

Quantitative analysis of positive electrode active materials, precise evaluation of crystal structure.

In lithium-ion secondary batteries, Li(NiCoMn)O2 (NCM) used as the positive electrode can achieve higher capacity by increasing the Ni ratio, and it also excels in high-temperature storage, making it suitable for mass production for automotive applications. On the other hand, cation mixing, where Ni ions occupy Li sites, is considered one of the factors contributing to the degradation of secondary batteries. This presentation will introduce a case where the metal content of the positive electrode active material was evaluated using ICP-MS, the crystal structure was assessed using XRD, and the results were used to perform Rietveld analysis to evaluate the proportion of cation mixing.

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Measurement methods: ICP-MS, XRD, computational science, data analysis Product field: Secondary batteries Analysis objectives: Composition evaluation, identification, structural evaluation, product investigation

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Analysis of secondary batteries.

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[Analysis Case] Rietveld Analysis of Secondary Battery Cathode Material_C0589

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