Electrochemistry and chemical power sources 0600-S1-OZE-EChZE

Lecture: Introduction to Phenomenological Electrochemistry. Basic electrochemical concepts and definitions. Electrical conductivity of matter and types of electrical conductors. Measurements of the electrical conductivity of electrolytes. The metal-electrolyte interface and its properties. Phenomenological description of the electrode polarization process. The Stockholm Convention and the methodology for measuring the electromotive force (EMF) of cells and the potential of half-cells. Nernst equation and theoretical estimation of the potential of cells and half-cells. Simple galvanic cells and their construction and properties. Reversible and irreversible electrochemical processes and their thermodynamic and kinetic descriptions. Exchange current and the concept of overpotential. Electrolytic processes and Tafel equations. Chemical sources of electricity and their significance in everyday life and in a sustainable economy. First-generation primary cells (Leclanché cell, zinc-air cell, silver button cell). Construction and principle of operation of acid and alkaline batteries. Nickel-metal hydride batteries, lithium-ion batteries, and dry cells. Materials for the production of modern electrochemical cells. Fuel cells. Photovoltaic cells. Properties and applications of chemical cells in RES installations.

Total student workload

1. 45h – Conceptual and laboratory work, 30h - mentoring, i.e., 75 contact hours, 2. 45h problem analysis, preparation for discussions, and experiment design. 3. 30h Developing reports from data analysis and the final project. the total student workload is 75h 150h:25h/ECTS = 6 ECTS

Learning outcomes - knowledge

W1: Recognizes basic electrochemical phenomena occurring in cells, batteries, and renewable energy systems – K_W01. W2: Knows the significance of basic electrochemical concepts (conductivity, electrode potential, electromotive force, polarization, overpotential) in a qualitative context – K_W01. W3: understands the role of electrode materials and electrolytes in the operation of chemical power sources. – K_W01 W4: describes the principle of operation of selected chemical sources of electrical energy used in everyday life and energy technologies – K_W01

Learning outcomes - skills

U1: Interprets simple measurement data or technical characteristics of cells and batteries (e.g., voltage, capacity, current-voltage characteristics) – K_U05, K_U11. U2: Compares different types of chemical power sources in terms of their utility properties and applications. – K_U05, K_U11. U3: Estimates the impact of working conditions (load, material, environment) on the operation of a cell or battery in a qualitative or semi-quantitative manner – K_U05, K_U11 U4: Uses basic electrochemical concepts to analyze technical or environmental problems within the framework of problem-based learning (PBL). – K_U05, K_U11

Learning outcomes - social competencies

K1. works in a team to solve a problem related to the application of chemical power sources - K_K01 K2. recognizes the importance of electrochemistry in the context of technology, the environment, and sustainable development. - K_K04 K3. critically evaluates information about electrical energy sources appearing in popular science and technical discussions. - K_K07

Course coordinators

Jacek Nowaczyk

Teaching methods

Teaching methods include: problem scenarios implemented using the PBL (Problem-Based Learning) method, analyzing posed problems and seeking solutions, joint interpretation of measurement data related to the interaction of electricity with matter and methods of generating electric current, short mini-lectures introducing key scientific concepts, discussions and teamwork, selected demonstrations illustrating the discussed issues.

Expository teaching methods

- problem-based lecture

Exploratory teaching methods

- project work
- laboratory

Type of course

elective course

Assessment criteria

1. Participation in PBL scenario analysis and discussions – 25% (U2, U3, K1, K2).
Assessment criteria: substantive preparation for classes (familiarization with the problem description, supplementary materials), active participation in problem analysis and team discussions, the ability to formulate clear, well-reasoned arguments regarding the operation and applications of chemical power sources, teamwork and respect for different perspectives, conscious reference to technical data, diagrams, or literature information.
Form of assessment: ongoing observation of the student's work during PBL sessions.

2. Worksheets / problem tasks – 25% (W1, W2, U1, U2)
Assessment criteria: correct understanding and use of basic electrochemical concepts in a practical context, correct interpretation of simple technical or measurement data (e.g., voltage, current intensity, performance characteristics), linking observed properties of cells and batteries with their structure and application, logical and clear presentation of conclusions.
Form of assessment: written work sheets / short individual or team reports.

3. Final PBL Team Project – 50% (W3, W4, U2, U3, K1, K2)
Evaluation criteria: relevance and coherence of the analysis of the chosen application problem (e.g., selection of energy source, comparison of technologies, analysis of application in renewable energy sources), factual correctness of the description of the operation principle of the analyzed electrochemical systems, ability to integrate conceptual knowledge with the interpretation of technical and user data, clarity and transparency of the presentation of results (written and/or oral), effective teamwork and role distribution.
Form of assessment: team project conducted in the PBL format (report + presentation).

Minimum requirements for passing: obtaining at least 50% of the total points, completing all required course elements (participation in PBL classes, workbooks, final project).

Grading thresholds in accordance with the UMK regulations
Required thresholds for a passing grade - 50-60%, satisfactory plus – 61-65%, good 66-75%, good plus 76-81%, very good – 82-100%

Bibliography

Basic literature: 1. S. Glasstone, An Introduction to Electrochemistry; Maurice Press, London (April 16, 2013)
2. A. Stokłosa, Introduction to Chemiphysics Vol. 2, Phase Equilibria, Fundamentals of Electrochemistry. Educational Publishing House "Fosze" 2020.
3. S. Petrovic, Battery technology Crash Course: A concise introduction Springer 2021.
4. C. H. Hamann, A. Hammett, W. Vielstich, Electrochemistry, WILEY-VCH, Weinheim 2007.
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Supplementary: Available academic textbooks on physical chemistry, electrochemistry, and chemical power sources. Information materials from cell manufacturers.

Additional information

Additional information (registration calendar, class conductors, localization and schedules of classes), might be available in the USOSweb system:

Description of 0600-S1-OZE-EChZE in USOSweb