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Redox stability of SOFC: Thermal analysis of Ni-YSZ composites

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Publisher
Elsevier BV North-Holland
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Keywords
  • A Re-Oxidation Of A Ni-Based Sofc Can Seriously Damage The Cells
  • Important Aspects Of This Thermomechanical Instability Are Reduction–Oxidation Kinetics And The Di
  • These Were Investigated In The Temperature Range Of 600–1000 °C And Different Combinations Of Red
  • Automated Temperature And Gas Change Programmes Were Implemented In Thermogravimetry And Identically
  • The Activation Energy For Reduction Was 84
  • 4 Kj/Mol And The Kinetics Was Largely Linear
  • Different Kinetic Models Were Fitted To The Reduction Data
  • The Best Agreement Was Found Using The Avrami Equation
  • On The Re-Oxidation
  • Initially Linear Kinetics Was Observed
  • Followed By A Period Of Parabolic Kinetics Slowing Down To Logarithmic Towards Full Doo
  • The Shifts In The Kinetic Shape With Time Depended On The Temperature And Doo
  • The Rate Constants For Oxidation Were Fitted To The Data
  • The Bet Surface Area Of The Cermets After Different Reduction And Oxidation Treatments Was Measured

Abstract

Redox stability of SOFC: Thermal analysis of Ni-YSZ composites - DTU Orbit (04/03/14) Redox stability of SOFC: Thermal analysis of Ni-YSZ composites - DTU Orbit (04/03/14) Redox stability of SOFC: Thermal analysis of Ni-YSZ composites Pihlatie, M., Kaiser, A. & Mogensen, M. B. 2009 In : Solid State Ionics. 180, 17-19, p. 1100-1112 Publication: Research - peer-review › Journal article – Annual report year: 2009

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