DC microdischarges inside porous ceramics

The hybrid plasma-catalyst system represents an effective method for the pollutant abatement from car exhaust. A problem, however, is a limited volume of the generated plasma, and a pressure drop across the catalyst layer. A new approach on the generation of microdischarges inside porous ceramic materials is reported. The results show that the stable generation of microdischarges can be observed only in ceramics with specific pore size.