Calculation of Cell Voltage(2) S.J.T.U. Phase Transformation and Applications W=-EZF W1-2=-(p2-41) △G=-EzF (φ2-功)=E △G°=-E°zF E:the voltage of the cell Z:the number of moles of electrons transferred for the chemical equations as written The relationship between the electrical potential of a cell and the change in Gibbs free energy between the reactants and products SJTU Thermodynamics of Materials Springl 2006 ©X.J.Jin Lecture 11 Electrochemistry IlPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Springl 2006 © X. J. Jin Lecture 11 Electrochemistry II Calculation of Cell Voltage (2) = −EzFW =Δ −EzFG zFEGD D −=Δ E: the voltage of the cell Z: the number of moles of electrons transferred for the chemical equations as written The relationship between the electrical potential of a cell and the change in Gibbs free energy between the reactants and products W − = − φ −φ1221 )( Q φ −φ12 )( = E