Electrochemical potential S.J.T.U. Phase Transformation and Applications Wre ==F(d2 -on,+(u2 -u)n, 形▣=(F0+,-(F0+ 01 92 41 μ2 Figure 6.8 Movement of ions in an electric field. W=0 hence 42=41 In an electric field, ”a=(F0+-(F0+以=0 n; F0+2=(eF0+n 42=41 SJTU Thermodynamics of Materials Springl2008©X.J.Jin Lecture 11 Electrochemistry IlPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Springl 2008 © X. J. Jin Lecture 11 Electrochemistry II Electrochemical potential ( ) ( ) rev 12 nFzW i 12 ni ' −+−= μμφφ ( )( )1 ' 2 'Fz Fz +−+= μφμφ nW irev = 0 Wrev hence μ = μ12 In an electric field, ( )( ) 0 1 ' 2 'Fz Fz μφμφ =+−+= nW irev ( ) ( )1 ' 2 'Fz Fz +=+ μφμφ 1 ~ 2 ~ = μμ