Sumários

Redox Flow Cells and Seminars

1 abril 2026, 09:00 • Alda Simões

Presentations by the students: The Na-ion battery and the Vanadium Redox flow cells. 
Fundamentals and advantages/limitations.The Fe-Cr and the Zn-Br cells. The Vanadium Redox Flow Cells. Electrochemistry, advantages and drawbacks.

Fuel cells: parameters affecting the open circuit voltage

31 março 2026, 08:30 • Alda Simões

Effect of temperature and pressure on the thermodynamic voltage.

Fuel crossover and internal currents: definition and effect on the open circuit voltage.

Shape of the polarization curve and regions of overvoltage predominance.  

Thermodynanics of fuel cells

30 março 2026, 15:30 • Alda Simões

Relevant parameters and correlations for fuel cells. Definitions of efficiency: thermodynamic efficiency, voltage efficiency and current efficiency.

Nernst equation in gas reactors: effect of pressure and of gas concentration. Variation of the entropy vs effect of temperature on the cell voltage. 

Seminar session

30 março 2026, 09:30 • Alda Simões

Presentation and discussion of three seminars:
- Electrochemical Conversion of CO2 into Formic Acid and its Reuse for Fuel Cells.
- Production and Recycling of Aluminum.
- Batteries vs Circular Economy.

Tutoring session

27 março 2026, 13:00 • Alda Simões

Discussion of the laboratory work and of practical exercises.