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Active Cathodes for Super-High Power Density Solid Oxide Fuel Cells through Space Charge Effects. Quarterly Technical Report, January 1, 2004 through March 31, 2004.


DE2004833862

Publication Date 2004
Personal Author Virkar, A. V.
Page Count 26
Abstract This report summarizes the work done during the sixth quarter of the project. Effort was directed in three areas: (1) Further development of the model on the role of connectivity on ionic conductivity of porous bodies, including the role of grain boundaries and space charge region. (2) Calculation of the effect of space charge and morphology of porous bodies on the effective charge transfer resistance of porous composite cathodes. (3) The investigation of the three electrode system for the measurement of cathodic polarization using amperometric sensors.
Keywords
  • Space charge
  • Fuel cells
  • Cathodes
  • Ionic conductivity
  • Porosity
  • Power density
  • Solid oxide
  • Polarization resistance
  • Conductivity
Source Agency
  • Technical Information Center Oak Ridge Tennessee
Corporate Authors Utah Univ., Salt Lake City. Div. of Materials Science and Engineering.; Department of Energy, Washington, DC.
Supplemental Notes Sponsored by Department of Energy, Washington, DC.
Document Type Technical Report
NTIS Issue Number 200512
Active Cathodes for Super-High Power Density Solid Oxide Fuel Cells through Space Charge Effects. Quarterly Technical Report, January 1, 2004 through March 31, 2004.
Active Cathodes for Super-High Power Density Solid Oxide Fuel Cells through Space Charge Effects. Quarterly Technical Report, January 1, 2004 through March 31, 2004.
DE2004833862

  • Space charge
  • Fuel cells
  • Cathodes
  • Ionic conductivity
  • Porosity
  • Power density
  • Solid oxide
  • Polarization resistance
  • Conductivity
  • Technical Information Center Oak Ridge Tennessee
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