617-0951/02 – Electrochemistry (ECH)
| Gurantor department | Department of Chemistry | Credits | 10 |
| Subject guarantor | doc. RNDr. Bruno Kostura, Ph.D. | Subject version guarantor | doc. RNDr. Bruno Kostura, Ph.D. |
| Study level | postgraduate | Requirement | Choice-compulsory |
| Year | | Semester | winter + summer |
| | Study language | Czech |
| Year of introduction | 2010/2011 | Year of cancellation | 2020/2021 |
| Intended for the faculties | FMT | Intended for study types | Doctoral |
Subject aims expressed by acquired skills and competences
To deepen the knowledge of the equilibrium and dynamic electrochemistry of equilibria and processes in aqueous solutions and apply them to a high temperature heterogeneous electrochemical system.
Teaching methods
Lectures
Individual consultations
Summary
Aplikovaná elektrochemie vodných elektrolytů, iontových tavenin, oxidových tavenin (strusek) a pevných elektrolytů.
Rovnovážná elektrochemie. Termodynamické vlastnosti iontů v roztoku. Stanovení termodynamických funkcí z elektrochemických měření ve vodných roztocích a taveninách. Dynamická elektrochemie. Kinetika elektrodových procesů ve vodných roztocích a taveninách ; stacionární a nestacionární metody: voltametrie s RDE, lineární voltametrie, chronopotenciometrie a chronoamperometrie. Použití vysokoteplotních nerovnovážných senzorů. Pevné elektrolyty s aniontovou a kationtovou vodivostí a jejich základní aplikace:čidla, sondy, palivové články.
Compulsory literature:
1. Bard A.J., Electrochemical methods-fundamentals and applications, 2-nd Ed., Wiley, 2001, USA.
Recommended literature:
1. Kosuke Izutsu : Electrochemistry in nonaqueous solutions, Willey-VCH Verlag GmbH 2004 (online library).
Way of continuous check of knowledge in the course of semester
E-learning
Other requirements
They will be specified according to the thesis topic.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
1. Equilibrium electrochemistry. Thermodynamic properties of ions in solution.
2. The standard Gibbs energy and entropy of ions in aqueous solutions. Activities ions, mean activity coefficients, Debye-Hückel law.
3. Electrochemical cells and their applications. The problem of determining the thermodynamic functions of electrochemical measurements in aqueous solutions and the melts.
4. The theoretical possibility of determining the activity of the components using the equilibrium of electrochemical methods; activity of components in molten metals (oxygen, sulfur, nitrogen, aluminum), measurement of oxidative capacity of slag by means of in situ activities of FeO and basicity on the basis of measuring the activity of CaO.
5. The use of electrochemical probes in the management of metallurgical technologies. The current state of the in situ measurement of the oxygen activity in the steel. Options distribution measurement components (oxygen, sulfur) in the slag-metal system.
6. Dynamic electrochemistry. Processes at the electrodes. Electrical double layer: structure, electrical potential, methods of study. Charge transfer rate: rate equation, the activation Gibbs energy, the Butler-Volmer equation. Tafel dependence and its interpretation.
7. Kinetics of electrode processes in aqueous solutions and the melts stationary and non-stationary method: RDE voltammetry with linear voltammetry, chronoamperometryand chronopotentiometry.
8. Application of high-temperature nonequilibrium potentiometric sensors and high chronoamperometrických sensors.
9. Solid electrolytes with anion and cation conductivity and their primary applications: design of probes and sensors measuring the partial pressure of oxygen in gases, lambda probe car.
10. Using solid electrolytes for energy conversion in high temperature fuel cell with an electrolyte based on metal oxides. Fuel cells with electrolyte based on molten carbonate.
11. The development of the current literature review (www.sciencedirect.com) for keywords related to a specific topic of the dissertation.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction