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What do the pellets in a catalytic converter look like?

The pellets in a catalytic converter are small, ceramic beads that are coated with a thin layer of precious metals, such as platinum, palladium, and rhodium. These metals act as catalysts, which means that they speed up chemical reactions without being consumed in the process.

The pellets are arranged in a honeycomb structure, which provides a large surface area for the catalytic reactions to take place. When exhaust gases flow through the converter, the pollutants in the gases react with the oxygen in the air to form harmless compounds, such as carbon dioxide and water.

The size and shape of the pellets, as well as the type of precious metals used, can vary depending on the specific application of the catalytic converter.

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