Development of Polymer Electrolyte Fuel Cell Cogeneration Systems for Residential Applications

Abstract

From the viewpoint of environmental protection, the polymer electrolyte fuel cell (PEFC) cogeneration system, which contributes to the reduction of CO2 and NOx emission, is drawing attention as the next-generation residential power source. In recent years, automobile manufacturers have been energetically developing PEFC as the energy source of electric vehicles on account of its good start-up performance due to a relatively low operating temperature and its high power density [1-3]. PEFC is also promising for residential cogeneration systems when combined with a small-scale natural gas fuel processor [4]. In this review, the current status of the development of PEFC cogeneration systems for residential use including the fuel processor is reported.