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Статья
2018

Electrochemical Noise Measurement of Polymer Membrane Fuel Cell under Load


E. A. Astaf’ev E. A. Astaf’ev
Российский электрохимический журнал
https://doi.org/10.1134/S1023193518060034
Abstract / Full Text

Electrochemical noise of a polymer membrane hydrogen–air fuel cell under different currents is measured. Frequency and amplitude dependences of the current-noise power spectral density are calculated. In the frequency interval from 10 to 200 Hz a linear segment of the frequency characteristic has a slope of ‒2. The current-noise power spectral density is found to be proportional to the 4th power of the fuel cell loading DC current. Thus found frequency dependence of the fuel cell electrochemical noise was shown to differ markedly from that of the electrochemical impedance real component.

Author information
  • Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia

    E. A. Astaf’ev

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