8. Renewable energies – 8.5 Hydrogen and fuel cell (teacher instructions) © Siemens Stiftung 2019 CC BY-SA 4.0 international

8. Renewable energies – 8.5 Hydrogen and fuel cell (teacher instructions)

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Experimentation instructions:
Background information on the content and practical information on conducting the “Hydrogen and fuel cell" experiment.

English
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2020-09-07
Renewable energies are generated by strong winds or bright sunshine. However, energy also needs to be provided when there is little wind or no sunshine. The ability to store renewable energies is critical using renewable energies, in view of both personal mobility and power grid operators. Storing electrical energy in the form
of hydrogen – and converting it back to electrical energy in fuel cells – is one of the technologies already in place but not yet completely developed for large-scale operation.

Information and ideas:
• Students must wear safety goggles. Point out that students must immediately rinse their eyes or skin if sodium carbonate or soda solutions splashes on them.
• Working with a flame can result in burns or fires. Before a lighter is used the first time, check to ensure that it is working properly and adjust the flame height.
• This experiment takes time for additional preparations, as you may need to first set up the electrolytic cells. In the Additional information section you will find instructions on how to set up an electrolytic cell.
There are no other media directly related to this file.
Experiment
Chemistry; Physics; Technology
Grade 7 to 9; Grade 10 to 13
Middle/high school; Vocational training
Energy supply; Hydrogen; Power generation; Renewable energy; Solar energy; Tides
Siemens Stiftung Media Portal
Dr. Ramon Leyendecker
© Siemens Stiftung 2019
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