Research on Diagnosis Technique on PEFC Running Condition: High Speed Analysis by FFT and Feasibility Study of Diagnosis

Research on Diagnosis Technique on PEFC Running Condition: High Speed Analysis by FFT and Feasibility Study of Diagnosis

Real time analysis on impedance spectroscopy in PEFC (Polymer Electrolyte Fuel Cell) is tried using FFT (Fast Fourier Transform) method. It is proved this method can analyze the Cole·Cole plots of PEFC with high speed and high accuracy compared to conventional FRA (Frequency Response Analyzer). PEFC...

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Veröffentlicht in:Nihon Kikai Gakkai rombunshuu. B hen 2005/01/25, Vol.71(701), pp.245-250
Hauptverfasser: KONOMI, Toshiaki, SAHO, Isamu
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
AC Impedance Spectroscopy
Diagnostics
Electrochemistry
Equivalent Circuit
FFT
FRA
Over Voltage Diagnosis
Polymer Electrolyte Fuel Cell
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container_title Nihon Kikai Gakkai rombunshuu. B hen
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creator KONOMI, Toshiaki
SAHO, Isamu
description Real time analysis on impedance spectroscopy in PEFC (Polymer Electrolyte Fuel Cell) is tried using FFT (Fast Fourier Transform) method. It is proved this method can analyze the Cole·Cole plots of PEFC with high speed and high accuracy compared to conventional FRA (Frequency Response Analyzer). PEFC is simulated to equivalent circuit model with four resistances and three capacitances, and effects of running condition on those are analyzed by experiment. Results show this method has capability of on-board diagnosis and fuel cell system control.
doi_str_mv 10.1299/kikaib.71.245
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1884-8346
language eng ; jpn
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source J-STAGE Free; EZB-FREE-00999 freely available EZB journals
subjects AC Impedance Spectroscopy
Diagnostics
Electrochemistry
Equivalent Circuit
FFT
FRA
Over Voltage Diagnosis
Polymer Electrolyte Fuel Cell
title Research on Diagnosis Technique on PEFC Running Condition: High Speed Analysis by FFT and Feasibility Study of Diagnosis
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