Honeycomb ceramic materials for automotive exhaust gas treatment are often porous cordierite, with a geometry of 400 channels per square inch and a porous structure of 2-3 mm in the material, resulting in a high specific surface area of ​​0.2-0.3 m 2 /g. The atomic arrangement of noble metal platinum on the surface of the honeycomb ceramic support can be accurately determined by the EXAFS (extended X-ray absorption fine structure), which shows that the platinum atom forms a so-called sponge on the surface of the cordierite ceramic carrier. The crystals make the gas contact area in the catalytic converter average above 2000M 2 , and also make the gas molecules have a high probability of colliding with noble metal atoms in the catalytic converter to produce an effective catalyst conversion reaction. In addition to the development of different types of all-ceramic carriers, Inlay Semik High-tech Ceramics Co., Ltd. has catalytic honeycomb technology and production processes for the production of composite, alloyed and ceramic coatings.
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