Catalytic converter
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A catalytic converter is an exhaust emission control device which converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox
A three-way catalytic converter on a gasoline-powered 1996 Dodge Ram
Simulation of flow inside a catalytic converter
Cutaway of a metal-core converter
Ceramic-core converter
Rhodium
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Rhodium is a chemical element; it has symbol Rh and atomic number 45. It is a very rare, dark silvery-white, hard, corrosion-resistant transition metal. It is a noble metal and a member of the platinu
Catalytic converter
…end of the 19th century, when only a few thousand "oil cars" were on the roads; these prototypes had inert clay-based materials coated with platinum, rhodium, and palladium and sealed into a double metallic cylinder. A few decades later, a catalytic converter was patented by Eugene Houdry, a French mechanical…
Rhodium powder pressed melted
William Hyde Wollaston
A 78 g sample of rhodium