[Analysis Case] Composition Analysis of the Surface Film on the Positive Electrode of Secondary Batteries
Evaluation of the distribution of organic components and active substances on the surface, qualitative analysis.
The segregation of components and the formation of films on the surface of the positive electrode of lithium-ion secondary batteries are factors that influence the electric capacity. We will introduce a case study on Li(NiCoMn)O2 (NCM), which is used as a positive electrode, where micro-region mapping was conducted using AES, and qualitative analysis of organic components (binder) and active material surface films was performed using XPS and TOF-SIMS. These methods allow for analysis with a series of treatments conducted under an Ar atmosphere, which helps to suppress the alteration of the sample.
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Measurement methods: AES, XPS, TOF-SIMS Product field: Secondary batteries Analysis purposes: Composition evaluation, identification, chemical bonding state evaluation, composition distribution evaluation, product investigation
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Analysis of secondary batteries.
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MST is a foundation that provides contract analysis services. We possess various analytical instruments such as TEM, SIMS, and XRD to meet your analysis needs. Our knowledgeable sales representatives will propose appropriate analysis plans. We are also available for consultations at your company, of course. We have obtained ISO 9001 and ISO 27001 certifications. Please feel free to consult us for product development, identifying causes of defects, and patent investigations! MST will guide you to solutions for your "troubles"!