By Tim Miesen, Luce Beucher, Matthias Pauly

Fuel Cell

Table of contents 1. Definition2. History3. Fuel cell applicaitions4. Types5. Construction 6. Function7. Informations8. Examples of usage

Automobile (combination Solar Cell and Fuel Cell)

airscrew powered by Fuel Cell

Definition

A fuel cell is an electrochemical energy conversion device. A fuel cell converts the chemicals hydrogen and oxygen into water, and in the process it produces electricity.

History

History

1800 Today

Johann Wilhelm Ritter discovered the

electrolysis

1838

Christan Friedrich Schönwein and Wiliam Grove discovered the principle of Fuel cell

20. century

1959: 5kW and 15 kW fuel cell

First it was calledGas voltiac battery

Fuel cell applications

Fuel cell submarien

Fuel cell vehicle

Types

• Polymer exchange membrane fuel cell (PEMFC)

• Solid oxide fuel cell (SOFC)• Alkaline fuel cell (AFC)• Molten-carbonate fuel cell (MCFC)• Phosphoric-acid fuel cell (PAFC)• Direct-methanol fuel cell (DMFC)

Construction

Function of a fuel cell

Information

Efficiency• PEMFC -> about 64%

• (Gas Engine -> about 20%) Problems

• Expensive materials

• Temperature

• Infrastructure

• Durability(stable under cycling conditions)

Thanks for your attention

Questions?

3

2

1

The end