A reformer disposed in the flow path of a reactant fluid includes: a catalyst unit capable of generating hydrogen from a reactant fluid containing an organic compound or carbon monoxide, by catalysis, and an electrically heatable heater unit. An electrically heatable catalyst unit includes: any of a...http://www.google.es/patents/US6641795?utm_source=gb-gplus-sharePatente US6641795 - Reformer and method for operation thereof