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Measurement of Hydrogen Crossover During PEMFC Operation
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  • Journal title : Korean Chemical Engineering Research
  • Volume 53, Issue 4,  2015, pp.412-416
  • Publisher : The Korean Institute of Chemical Engineers
  • DOI : 10.9713/kcer.2015.53.4.412
 Title & Authors
Measurement of Hydrogen Crossover During PEMFC Operation
Jeong, Jaejin; Jeong, Jaehyeun; Kim, Saehoon; Ahn, Byungki; Ko, Jaijoon; Park, Kwonpil;
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 Abstract
To evaluate the performance and durability of membrane, measurement of hydrogen crossover is needed during PEMFC(Proton Exchange Membrane Fuel Cells) operation. In this work, concentration of hydrogen at cathode was analysed by gas chromatograph during operation suppling with air instead of inert gas into the cathode. The hydrogen permeated through membrane reacted with oxygen at cathode and then the concentration of hydrogen was lower than in case inert gas was supplied. Hydrogen concentration decreased as the flow rate of air increased at cathode. Increase of temperature, humidity and pressure of anode gas enhanced the hydrogen concentration at cathode. The hydrogen concentration was about 5.0 ppm at current density of during general PEMFC operation.
 Keywords
PEMFC;Hydrogen Crossover;Gas Chromatograph;Degradation;Membrane;
 Language
Korean
 Cited by
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