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[Analysis Case] Morphological Observation and Component Analysis of Solid Polymer Fuel Cell Catalyst Materials

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[Analysis Case] Morphological Observation and Component Analysis of Solid Polymer Fuel Cell Catalyst Materials

Evaluation of catalyst particles using SEM, STEM, and EDX.

The electrodes of fuel cells are supported by Pt particles or Pt alloy (such as PtRu) particles 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, Ru leaching, and an increase in catalyst particle size; high spatial resolution HAADF observation and EDX analysis are very effective for these evaluations. Furthermore, SEM observation allows for the confirmation of the shape of the carbon support and the state of the catalyst particles.

Related Link - https://www.mst.or.jp/casestudy/tabid/1318/pdid/20…

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Analysis of fuel cells.

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[Analysis Case] Morphological Observation and Component Analysis of Solid Polymer Fuel Cell Catalyst Materials by SEM, TEM, and EDX_C0385

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