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Week 26 • Apply the principles of electrode potentials to modern storage cells. • Explain that a fuel cell uses the energy from the reaction of a fuel with oxygen to create a voltage. • Explain the changes that take place at each electrode in a hydrogen–oxygen fuel cell. © Pearson Education Ltd 2009 This document may have been altered from the original Week 26 Hydrogen–oxygen fuel cell © Pearson Education Ltd 2009 This document may have been altered from the original Week 26 • Outline the development of fuel cell vehicles that use hydrogen gas and hydrogen-rich fuels. • State the advantages of FCVs over conventional petrol- or diesel-powered vehicles. • Understand how hydrogen might be stored in FCVs. • Consider limitations of hydrogen fuel cells. • Comment about the contribution of the ‘hydrogen economy’ to future energy and discuss its limitations. © Pearson Education Ltd 2009 This document may have been altered from the original Week 26 Storage of hydrogen by adsorption and absorption © Pearson Education Ltd 2009 This document may have been altered from the original