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PPT : Hydrogen Fuel Cell Technology

FUEL CELL TECHNOLOGY
* Technology overview
* Hydrogen fuel development
* Law, legislation, and administrative agency treatment

What is a Fuel Cell?
* A Fuel Cell is an electrochemical device that combines hydrogen and oxygen to produce electricity, with water and heat as its by-product.

Why is Fuel Cell Technology Important?
* Since conversion of the fuel to energy takes place via an electrochemical process, not combustion
* It is a clean, quiet and highly efficient process- two to three times more efficient than fuel burning.

How does a Fuel Cell work?
* It operates similarly to a battery, but it does not run down nor does it require recharging
* As long as fuel is supplied, a Fuel Cell will produce both energy and heat

How does a Fuel Cell work?
* A Fuel Cell consists of two catalyst coated electrodes surrounding an electrolyte
* One electrode is an anode and the other is a cathode

How does a Fuel Cell work?
* The process begins when Hydrogen molecules enter the anode
* The catalyst coating separates hydrogen’s negatively charged electrons from the positively charged protons

How does a Fuel Cell work?
* The electrolyte allows the protons to pass through to the cathode, but not the electrons
* Instead the electrons are directed through an external circuit which creates electrical current

How does a Fuel Cell work?
* While the electrons pass through the external circuit, oxygen molecules pass through the cathode
* There the oxygen and the protons combine with the electrons after they have passed through the external circuit
* When the oxygen and the protons combine with the electrons it produces water and heat

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Tags: hydrogen molecules, oxygen molecules, technology overview

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