Pourbaix Diagrams(1) S.J.T.U. Phase Transformation and Applications pH =-10g10()=-10g10[H*] 02+4H++4e→2H20 E°=1.229V E=E°+ 0.059161og10[H*]4Po, 4 E=1.229+0.059161ogo[H+] =1.229-0.05916pH SJTU Thermodynamics of Materials Springl2006©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 Pourbaix Diagrams (1) ][log)(log10 10 + pH −= + −= H H α 2 →++ 244 2OHeHO −+ = 229.1 VED 2 4 10 ][log 405916.0 EE PH O + += D pH E H 05916.0229.1 10 ][log05916.0229.1 −= += +