Lecture 15 Notes: Ion Absorption and
Intercalation
1. Surface adsorption/intercalation of neutral species
Adsorption on a surface or intercalation in a bulk solid involves strong particle interactions
which go beyond dilute solution theory. For example, i
Lecture 6 Notes: Impedance of Electrodes
1. Flat Electrodes
In the previous lecture, we leant about impedance spectroscopy. Electrochemical
impedance spectroscopy is the technique where the cell or electrode impedance is platted
versus frequency. Thus, th
Lecture 14 Notes : Reaction Kinetics
1
Reactions in Concentrated Solutions
Note: Please see the course notes from 2009 for a detailed stochastic
theory and formal derivations of reaction rates.
Until now, we have assumed that forward and backward reaction
Lecture 21 Notes: Solids and Concentrated Solutions
1
1.1
Transport in Solids
Diusion
The general model of chemical reactions can also be used for thermally
activated diusion.
Figure 1: Particle diusion by thermally activated transitions
Here the excess c
Lecture 1 Notes: Basic Physics of Galvanic Cells
1. Electrochemical Cells and Their Operations
Faradaic Reaction
: An electrochemical reaction that involves charge transfer
Electrochemical Cell : Two half reactions involving charge transfer, connected via
Lecture 2 Notes: Electrochemical Energy
Conversion
Galvanic cells convert different forms of energy (chemical fuel, sunlight, mechanical
pressure, etc.) into electrical energy and heat. In this lecture, we are interested in some
examples of galvanic cells
Lecture 13 Notes: Butler-Volmer equation
1. Interfacial Equilibrium
At lecture 11, the reaction rate R for the general Faradaic half-cell reaction was derived.
where
=Reduced state
=Oxidized state
Here si is the stochiometric coefficient of species i (pos
Lecture 4 Notes: Dynamics of Equivalent Circuits
1. Simple Equivalent Circuit for a Battery
Batteries have a finite charge capacity Qmax. So the open circuit voltage is dependent
upon the current charge state Q. Figure 1 shows a typical dependence of the
Lecture 20 Notes: Warburg Impedance
1. Warburg impedance for semi-infinite oscillating diffusion
Warburg (Ann. Physik. 1899) is credited with the first solution to the diffusion equation with
oscillating concentration at the boundary, which is related to
Lecture 3 Notes: Electrochemical Energy Storage
In this lecture, we will learn some examples of electrochemical energy storage. A
general idea of electrochemical energy storage is shown in Figure 1. When the
electrochemical energy system is connected to a