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Development of the 5kW Class Polymer Electrolyte Fuel Cell System for Residential Power Generation  

Yang, Tae-Hyun (Fuel Cell Research Center, Korea Institute of Energy Research)
Park, Gu-Gon (Fuel Cell Research Center, Korea Institute of Energy Research)
Yoon, Young-Gi (Fuel Cell Research Center, Korea Institute of Energy Research)
Lee, Won-Yong (Fuel Cell Research Center, Korea Institute of Energy Research)
Yoon, Wang-Lai (Conversion Process Research Center, Korea Institute of Energy Research)
Kim, Chang-Soo (Fuel Cell Research Center, Korea Institute of Energy Research)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.14, no.1, 2003 , pp. 35-45 More about this Journal
Abstract
Polymer electrolyte fuel cells(PEFC) have been considered to be a suitable candidate for residential, portable and mobile applications, due to their high efficiency and power density, even at low operating temperature. KIER developed a 5kW class PEFC system for residential application and operated the system for over 1,000 hours. To develop a 5kW PEFC system, performance of a cell was improved through successive tests of single cell of small and large area. Fabrication of three 2,5 kW class stacks, design and fabrication of natural gas reformer, design of auxiliary equipments such as DC/DC converter, DC/AC inverter and humidifying units were carried out along with integration of components, operation and evaluation of total system. During the development period from 1999 to 2001, MEA(membrane electrode assembly) fabrication technologies, design and fabrication technologies for separators, stacking technologies and so on were developed, thereby providing basis for developing stacks of higher efficiency and power density in the future. Experience of development of natural gas reformer opened possibilities to use various kinds of fuels. Main results obtained from the development of a 5kW class PEFC system for residential application are summarized.
Keywords
PEFC system; Residential power generation; Natural gas; Reformer;
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  • Reference
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