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http://dx.doi.org/10.7316/KHNES.2021.32.5.324

PEMFC Based Cogeneration System Using Heat Pump  

BUI, TUANANH (Department of Clean Fuel and Power Generation, Korea Institute of Machinery & Materials (KIMM))
KIM, YOUNG SANG (Department of Clean Fuel and Power Generation, Korea Institute of Machinery & Materials (KIMM))
LEE, DONG KEUN (Department of Clean Fuel and Power Generation, Korea Institute of Machinery & Materials (KIMM))
AHN, KOOK YOUNG (Department of Clean Fuel and Power Generation, Korea Institute of Machinery & Materials (KIMM))
Publication Information
Transactions of the Korean hydrogen and new energy society / v.32, no.5, 2021 , pp. 324-330 More about this Journal
Abstract
In recent years, polymer electrolyte membrane fuel cell (PEMFC) based cogeneration system has received more and more attention from energy researchers because beside electricity, the system also meets the residential thermal demand. However, the low-quality heat exited from PEMFC should be increased temperature before direct use or storage. This study proposes a method to utilize the heat exhausted from a 10 kW PEMFC by coupling a heat pump. Two different configuration using heat pump and a reference layout with heater are analyzed in term of thermal and total efficiency. The system coefficient of performance (COP) increases from 0.87 in layout with heaters to 1.26 and 1.29 in configuration with heat pump and cascade heat pump, respectively. Lastly, based on system performance result, another study in economics point of view is proposed.
Keywords
Polymer electrolyte membrane fuel cell; Fuel cell; Cogeneration; Heat pump;
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