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Electrical Power System Module Explorer Post 633 Tom Miller December 2-9, 2008

Electrical Power System Module Explorer Post 633 Tom Miller December 2-9, 2008. What is a Fuel Cell?. A fuel cell is like the battery in your car. What makes a fuel cell different from a car battery is that it will continue to produce power so long as a fuel is supplied.

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Electrical Power System Module Explorer Post 633 Tom Miller December 2-9, 2008

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  1. Electrical Power System Module Explorer Post 633 Tom Miller December 2-9, 2008

  2. What is a Fuel Cell? • A fuel cell is like the battery in your car. What makes a fuel cell different from a car battery is that it will continue to produce power so long as a fuel is supplied. • A common supply fuel is hydrogen gas. The second supply gas is pure oxygen or air. • The 2 gases react and you get power out, water and heat.

  3. Benefits of Fuel Cells • Fuel cells provide continuous power as long as hydrogen and oxygen are fed. • Fuel cells do not pollute the environment. The water produced from a fuel cell is clean. • Fuel cells are quiet. There are no moving parts. • The water and heat generated can be reused. • Fuel cells can be part of a larger power system.

  4. Space Shuttle Fuel Cell • Installed in the forward fuselage under the payload bay • Size: 14 x 15 x 45 inches • Weight: 270 pounds • Power: 7 kW continuously • 96 Individual Cells, 28 V output • Over 70% efficient • Alkaline (KOH) technology www.utcfuelcells.com

  5. Li intercalation (solid-state insertion) reactions at both electrodes • Lithium ion moves from one electrode to the other through electrolyte • Organic liquid, polymer or inorganic solid- state electrolyte • Lithium metal-free. • Configuration: Prismatic, cylindrical or wound-prismatic • Pouch cells for short-life applications and polymer electrolyte cells

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