Analysis of the state of cathode active materials using XPS.
For the evaluation of lithium-ion battery materials! Analyzing chemical bonding states using X-ray photoelectron spectroscopy.
Regarding the NMC reagent, an evaluation of the valence of metal oxides was conducted through state analysis using XPS. Qualitative analysis was performed on commercially available NMC reagents, yielding values for the NiMnCo ratio that are close to the specifications of the reagent. Additionally, F and C, which are believed to originate from the binder components, were also detected. 【Analysis of NMC Reagent (Partial)】 ■ The main oxides of Ni, Mn, and Co are inferred to be NiO (Ni2+), MnO2 (Mn4+), and Co3O4 (a mixed valence of Co2+ and Co3+). ■ C, O, and F show peak shifts consistent with organic compounds believed to originate from the binder. ■ Peak assignments were inferred based on various literature and databases. *For more details, please download the PDF or feel free to contact us.
- Company：アイテス
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