Journal of Hydrogen and New Energy (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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A Study on the Analysis of the Performance and Efficiency of a Low-pressure Operating PEMFC System for Vehicle Applications Using MATLAB/Simulink

MATLAB/Simulink를 이용한 자동차용 상압형 PEM 연료전지 시스템의 성능 및 효율 분석 연구

  • Park, Raehyeok (Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology) ;
  • Kim, Han-Sang (Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology)
  • 박래혁 (서울과학기술대학교 기계.자동차공학과) ;
  • 김한상 (서울과학기술대학교 기계.자동차공학과)
  • Received : 2013.10.01
  • Accepted : 2013.10.31
  • Published : 2013.10.31
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Abstract

The air supply system has a significant effect on the efficiency of polymer electrolyte membrane fuel cell (PEMFC) systems. The performance and efficiency of automotive PEMFC systems are greatly influenced by their air supply system configurations. This study deals with the system simulation of automotive PEMFC systems using MATLAB/Simulink framework. In this study, a low-pressure operating PEMFC system adopting blower sub-module (turbo-blower) is modeled to investigate the effects of stack operating temperature and air stoichiometry on the parasitic power and efficiency of automotive PEMFC systems. In addition, the PEMFC net system efficiency and parasitic power of air supply system are mainly compared for the two types (low-pressure operating and high-pressure operating) of automotive PEMFC systems under the same net power conditions. It is suggested that the obtained results from this system approach can be applied for establishing the novel operating strategies for FC vehicles.

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References

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