Oxygen Pressure Determination(2) S.J.T.U. Phase Transformation and Applications RT Zr02/Cao E=E°- Po2 electrolyte In- zF I Conductor I I Conductor E°=0 Po2 Po2 (Reference) (To be measured) RT E In zF Pos.ref Figure 6.7 Schematic diagram of an oxygen concentration cell. SJTU Thermodynamics of Materials Springl 2008 ©X.J.Jin Lecture 11 Electrochemistry llPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Springl 2008 © X. J. Jin Lecture 11 Electrochemistry II Oxygen Pressure Determination (2) refO O P P zF RT EE , 2 2 −= ln o = 0 o E refO O P P zF RT E , 2 2 −= ln