Verfahren zur Reformierung von Brennstoff und Apparat für ein System zur Energiegewinnung unter Verwendung von Brennstoffzellen

摘要

The fuel reforming method for a fuel cell power generation system comprises the steps of feeding the raw material gas to a main reformer (1) to reform the raw material gas (CH4) to the fuel gas (FG), feeding the fuel gas to the fuel electrode (3) of the fuel cell (I), introducing to a second reformer (5) non-reformed raw material gas (CH4) contained in a gas discharged from the fuel electrode (3), and reforming the non-reformed raw material gas with hydrogen produced upon a reaction at the fuel electrode (3) of the fuel cell (I) and a sensible heat of the gas discharged from the fuel electrode (3). This reduces an amount of non-reformed raw material gas in the system and improves a reforming conversion ratio of the system as a whole.