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Numerical modeling and analysis of PEMFC integrated with auxiliary power source
Author(s) -
Kuo JennKun,
Huang PeiHsing,
Wang ChiFa
Publication year - 2012
Publication title -
international journal of energy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.808
H-Index - 95
eISSN - 1099-114X
pISSN - 0363-907X
DOI - 10.1002/er.2984
Subject(s) - proton exchange membrane fuel cell , voltage , supercapacitor , power (physics) , matlab , inverter , computer science , materials science , automotive engineering , control theory (sociology) , engineering , electrical engineering , fuel cells , chemistry , physics , thermodynamics , capacitance , electrode , chemical engineering , control (management) , artificial intelligence , operating system
SUMMARY A numerical model is developed from a stationary proton exchange membrane fuel cell (PEMFC) system comprising a PEMFC, a DC‐DC buck converter, an auxiliary power supply (a lithium battery and supercapacitor), and a DC‐AC inverter. The transient and steady‐state performance of the PEMFC system is investigated by means of Matlab/Simulink simulations. It is shown that a good agreement exists between the simulated polarization curve of the PEMFC and the experimental results presented in the literature. In addition, it is shown that the DC‐DC buck converter provides an effective means of stabilizing the output voltage of the PEMFC. Finally, the results confirm the effectiveness of the auxiliary power source in enabling the PEMFC to satisfy the peak load demand. Copyright © 2012 John Wiley & Sons, Ltd.