Patent ID: 6884272
Filing Date: 2005-04-26
Classification: C01B,C10L,H01M,Y02E

Abstract:
1. A fuel for a fuel cell system comprising 5 vol. % or more of hydrocarbons based on the whole fuel, and 0.5-20 mass % of oxygenates in terms of an oxygen content based on the whole fuel, wherein a content of hydrocarbon compounds having a carbon number of 4 is 15 vol. % or less, a content of hydrocarbon compounds having a carbon number of 5 is 5 vol. % or more, a content of hydrocarbon compounds having a carbon number of 6 is 10 vol. % or more, a content of hydrocarbon compounds having carbon numbers of 7 and 8 in total is 20 vol. % or more, a content of hydrocarbon compounds having carbon numbers of 10 or more is 20 vol. % or less, a sulfur content is 1 ppm by mass or less based on the whole fuel, saturates are 30 vol. % or more based on the whole hydrocarbons, olefins are 35 vol. % or less based on the whole hydrocarbons, and aromatics are 50 vol. % or less based on the whole hydrocarbons.