Simulation of Chemical Adsorption for SO2 in Fuel Cell Cathode Air Filter

Abstract:

Chemical adsorption performance is one of the key parameters in cathode air filter design for fuel cell engine.The paper focuses on the simulation of chemical adsorption in air filter with chemical experiments.The SO2 adsorption action of adsorbent in filter was studied by experiments,a threedimension mathematic model between inlet property and adsorption property was built based on experimental data.user define function was compiled according to 3D model,which was used in FLUENT software as restraint joint.The chemical simulation of air filter was studied based on Fluent,which was applied to the air filter structure design for a 5kW fuel cell stack system successfully.The SO2 chemical adsorption was simulated in air filter and the deadline of filter calculated was about 1 203 h.

Key words:cathode air filter; chemical adsorption; simulation; fuel cell engine