Each group will present one project to the class, using powerpoint slides and oral presentation.
Whenever applicable, use redox reactions, potentials, diagrams and pictures to convey your ideas. Your
grades will depend on how well you explain the project, how well the audience understand it, and how
well you handle Q&A.
Project 1 Describe and explain how batteries work; show half reactions and potentials; explain how
rechargeable batteries work and the difference between rechargeable batteries and non-rechargeable
batteries. Presentation should have at least the following four types of batteries: alkaline batteries, lead
storage battery, nickel-cadmium battery, and lithium-ion battery. You are welcome to present more.
Project 2 Describe and explain how fuel cells work. Include at least two fuel cells (e.g. hydrogen-oxygen
fuel cell, methanol fuel cell, etc.). Show anode and cathode reactions and the potentials. Pay attention
to their applications, limitations, and future development.
Project 3 Describe how corrosions occur (you can use iron as an example). Use electrochemistry and
redox reactions. Discuss different ways to prevent corrosion.
Project 4 Describe electrolysis and explain the difference between electrolytic cells and galvanic cells,
using the electrolysis of water as example. Also describe the following commercial electrolytic processes:
production of aluminum, electrorefining of metals (copper), metal plating (silver), electrolysis of sodium
Project 5 Describe how ion-selective electrodes work; explain in detail pH electrode.
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