Fuel Cells: History and Function
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Questions and Answers

What is the main function of a fuel cell?

  • Extracting oxygen from the air
  • Converting hydrogen and oxygen into electricity (correct)
  • Separating electrons from protons
  • Producing heat and water
  • Who is generally credited with inventing the fuel cell?

  • Christian Friedrich Schönbein
  • A scientist from the XIX century
  • William Grove (correct)
  • A scientist from the XVIII century
  • What does the term 'fuel cell' refer to?

  • The extraction of oxygen from the air
  • The electrochemical reaction between hydrogen and oxygen (correct)
  • The series of experiments conducted by William Grove
  • The process of producing water from hydrogen and oxygen
  • What is the oxidation step in a PEM Fuel Cell?

    <p>The separation of electrons from protons at the anode</p> Signup and view all the answers

    What is the final product of the electrochemical reaction in a fuel cell?

    <p>Water and heat</p> Signup and view all the answers

    Study Notes

    Fuel Cell Basics

    • The main function of a fuel cell is to convert chemical energy into electrical energy.
    • Sir William Robert Grove is generally credited with inventing the fuel cell in 1839.
    • The term 'fuel cell' refers to an electrochemical device that converts the chemical energy of a fuel into electrical energy.

    PEM Fuel Cell

    • The oxidation step in a PEM (Proton Exchange Membrane) Fuel Cell involves the reaction of hydrogen with oxygen at the anode, resulting in the formation of protons and electrons.

    Fuel Cell Reaction

    • The final product of the electrochemical reaction in a fuel cell is electricity, water, and heat.

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    Description

    Explore the history and mechanics of fuel cells, from its demonstration in the XVIII century to William Grove's invention in 1839. Learn how electric current can be produced from an electrochemical reaction between hydrogen and oxygen over a platinum catalyst.

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