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Hydrogen Fuel Cells - How they make electricity. Sources- Works Cited  Wright, Steve. "A Basic Overview of Fuel Cell Technology." Collecting the History.

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Presentation on theme: "Hydrogen Fuel Cells - How they make electricity. Sources- Works Cited  Wright, Steve. "A Basic Overview of Fuel Cell Technology." Collecting the History."— Presentation transcript:

1 Hydrogen Fuel Cells - How they make electricity

2 Sources- Works Cited  Wright, Steve. "A Basic Overview of Fuel Cell Technology." Collecting the History of Fuel Cells. 2008. The Smithsonian Institution. 07 Apr. 2012.  Bushby, Dr. Lisa. "Hydrogen Fuel Cells." Energy of the Future. 22 Aug. 2006. 08 Apr. 2012.

3 Background Information  Scientific Definitions: - 2 electrodes: anode(+) & cathode (-) - Electrolyte (carries charges) - Catalyst (speeds reaction)  Fuel Cell Basics - needs a fuel to work - needs many cells

4 What is a Fuel Cell?  Chemical reaction generates voltage  Unlike battery- no recharge  chemical reaction = electrons flow→circuit; supply load with energy

5 How does it work?  Hydrogen enters and loses electron at anode  Proton →electrolyte, electron →circuit  O 2 enters at cathode, O 2 + p + + e - = H 2 O

6 How does it Work?-Continued  Only emission =(H 2 O) water vapour

7 Graph

8 Thank you!

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