[Analysis Case] Evaluation of Particle Size and Composition of Catalyst Materials using TEM and EDX
Evaluation of catalyst particles using STEM-EDX.
The electrodes of fuel cells are supported by Pt particles or Pt alloy (such as PtRu) particles as catalysts on carbon. Due to the fine structure of these catalyst particles, which are on the order of a few nanometers, SEM and TEM analyses are used for morphological observation and compositional analysis. In addition to evaluations in the initial state, degradation after current application has been reported, including modulation of alloy composition, leaching of Ru, and an increase in the diameter of catalyst particles; HAADF observation and high-resolution EDX analysis are very effective for these evaluations. Furthermore, multi-field observation and analysis enable the assessment of particle size and compositional distribution.
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Analysis of fuel cells.
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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"!
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