Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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PEMFC Based Cogeneration System Using Heat Pump

히트펌프를 이용한 PEMFC 기반 열병합 발전 시스템

  • 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))
  • 뚜안앵 (한국기계연구원 청정연료발전연구실) ;
  • 김영상 (한국기계연구원 청정연료발전연구실) ;
  • 이동근 (한국기계연구원 청정연료발전연구실) ;
  • 안국영 (한국기계연구원 청정연료발전연구실)
  • Received : 2021.10.04
  • Accepted : 2021.10.20
  • Published : 2021.10.30
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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

Acknowledgement

This work was carried out with the support of "Cooperative research program for agriculture science and technology development (Project No. PJ016288, Development of horticultural energy model based on hydrogen fuel cell tri-generation system)" rural development administration, Republic of Korea.

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