无机电化学讲义课件.pptVIP

Electrochemistry;Chapter 1:Thermodynamics;Energy Levels of Metal;Band Structure;Fermi Level;Two Conductors in Contact;An Ion in Solution;Metal in an Electrolyte Solution;Two Electrolyte Solutions;Junction Potentials;Electrochemical Thermodynamics;Chemical Potential;Gibbs Free Energy;Gibbs Function and Work;Gibbs and the Cell Potential;Standard Reference States;Standard Reference States;Activity;Activity Coefficients;Approximate Activity;Solids, Solvents, Liquids;Chemical Potential and Activity;Reaction Quotient;Simplifying Approximations;Concentration Dependence;Equilibrium;An Electrochemical Cell;Weston Cell Reactions;Cell Notation;Electrode Convention;Daniell Cell;Salt Bridge;Flow of Charge;Electrolytic Cell;Nernst Equation;Nernst Equation continued;Example: Daniell Cell;Example continued;Example: Weston Cell;Concentration Cell;Half-Cell Potentials;Standard Reduction Potentials;Nernst and Half-Cells;So What Is The Half-Cell E??;Standard Hydrogen Electrode;Standard as a Reference;By Contrast…;Standard Potential Tables;Using the Tables;Using the Tables continued;Calculating Cell Potential;Example;Oxidative Strength;Reductive Strength;Cell Potentials, Gibbs Free Energy and Equilibrium Constants;Formal Potentials;Example;Example continued;Chapter two: Solid-liquid processes;2.1 The electrical double layer;Presently accepted model of the electrical double layer;2.2 Gibbs adsorption isotherm;Gibbs Model of the interface;The amount of species j in the surface phase: njs = nj – { nja + njb};Gibbs adsorption isotherm;Derivation of the Gibbs adsorption isotherm;Gibbs model of the interface - Summary;;2.3 The electrocapillary equation;sM = F(GHg - Ge);;Lippmann equation;;;;Differential capacity of the interface ;;;Capacity of the diffuse layer;;;2.4 Electrosorption phenomena;;2.5 Electrical properties of the interface;Implication – electrochemical cell has a time constant that imposes restriction on investigations of fast electrode process Time needed for the potent