FUEL SUPPLY ASSEMBLY FOR SUPPLYING PROPANE FUEL TO A FUEL CELL ASSEMBLY AND FUEL CELL SYSTEM EMPLOYING SAME

摘要

A fuel supply assembly which receives a supply of liquid fuel feedstock including hydrocarbons having higher and lower hydrocarbon content and high molecular weight sulfur-containing compounds, the higher hydrocarbon content and high molecular weight sulfur- containing compounds being less volatile than the lower hydrocarbon content. The fuel supply assembly supplies fuel to a fuel cell assembly, and has a housing unit (201) adapted to house the liquid fuel feedstock to vaporize to form fuel feedstock vapor, the vaporization conditions being such that the concentration of lower hydrocarbon content is higher and the concentration of higher hydrocarbon content and high molecular weight sulfur-containing compounds is lower in the fuel feedstock vapor than in the liquid fuel feedstock. A collecting unit is provided in the fuel supply assembly, which has a first end coupled with the housing unit and a second end adapted to be coupled with the fuel cell assembly, which collects the fuel feedstock vapor from the housing unit to make the vapor available to the fuel cell assembly.